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\u03c0\u03cc\u03c1\u03bf\u03c5\u03c2.<\/p>\n\n\n\n<h2 id=\"h-types-of-sampling\">\u03a4\u03cd\u03c0\u03bf\u03b9 \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1\u03c2<\/h2>\n\n\n\n<p>\u0394\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae\u03c2 \u03bc\u03b9\u03b1\u03c2 \u03b1\u03bd\u03c4\u03b9\u03c0\u03c1\u03bf\u03c3\u03c9\u03c0\u03b5\u03c5\u03c4\u03b9\u03ba\u03ae\u03c2 \u03bf\u03bc\u03ac\u03b4\u03b1\u03c2 \u03b1\u03c4\u03cc\u03bc\u03c9\u03bd \u03ae \u03bc\u03bf\u03bd\u03ac\u03b4\u03c9\u03bd \u03b1\u03c0\u03cc \u03ad\u03bd\u03b1\u03bd \u03b5\u03c5\u03c1\u03cd\u03c4\u03b5\u03c1\u03bf \u03c0\u03bb\u03b7\u03b8\u03c5\u03c3\u03bc\u03cc. \u039f\u03b9 \u03b4\u03cd\u03bf \u03ba\u03cd\u03c1\u03b9\u03bf\u03b9 \u03c4\u03cd\u03c0\u03bf\u03b9 \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1 \u03c0\u03b9\u03b8\u03b1\u03bd\u03bf\u03c4\u03ae\u03c4\u03c9\u03bd \u03ba\u03b1\u03b9 \u03b7 \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1 \u03c7\u03c9\u03c1\u03af\u03c2 \u03c0\u03b9\u03b8\u03b1\u03bd\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2.<\/p>\n\n\n\n<h3 id=\"h-probability-sampling\">\u0394\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1 \u03c0\u03b9\u03b8\u03b1\u03bd\u03bf\u03c4\u03ae\u03c4\u03c9\u03bd<\/h3>\n\n\n\n<p>\u0397 \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1 \u03c0\u03b9\u03b8\u03b1\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b5\u03af \u03bc\u03b9\u03b1 \u03c4\u03c5\u03c7\u03b1\u03af\u03b1 \u03c4\u03b5\u03c7\u03bd\u03b9\u03ba\u03ae \u03c0\u03bf\u03c5 \u03b5\u03be\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03b6\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03ba\u03ac\u03b8\u03b5 \u03bc\u03ad\u03bb\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03c0\u03bb\u03b7\u03b8\u03c5\u03c3\u03bc\u03bf\u03cd \u03ad\u03c7\u03b5\u03b9 \u03af\u03c3\u03b5\u03c2 \u03ae \u03b3\u03bd\u03c9\u03c3\u03c4\u03ad\u03c2 \u03c0\u03b9\u03b8\u03b1\u03bd\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2 \u03bd\u03b1 \u03b5\u03c0\u03b9\u03bb\u03b5\u03b3\u03b5\u03af, \u03c0\u03b1\u03c1\u03ad\u03c7\u03bf\u03bd\u03c4\u03b1\u03c2 \u03ad\u03bd\u03b1 \u03b4\u03af\u03ba\u03b1\u03b9\u03bf \u03ba\u03b1\u03b9 \u03b1\u03bd\u03c4\u03b9\u03c0\u03c1\u03bf\u03c3\u03c9\u03c0\u03b5\u03c5\u03c4\u03b9\u03ba\u03cc \u03b4\u03b5\u03af\u03b3\u03bc\u03b1. \u03a5\u03c0\u03ac\u03c1\u03c7\u03bf\u03c5\u03bd \u03b4\u03b9\u03ac\u03c6\u03bf\u03c1\u03bf\u03b9 \u03c4\u03cd\u03c0\u03bf\u03b9 \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1\u03c2 \u03c0\u03b9\u03b8\u03b1\u03bd\u03bf\u03c4\u03ae\u03c4\u03c9\u03bd, \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03c9\u03bd \u03bf\u03c0\u03bf\u03af\u03c9\u03bd:<\/p>\n\n\n\n<h4 id=\"h-simple-random-sampling\">\u0391\u03c0\u03bb\u03ae \u03c4\u03c5\u03c7\u03b1\u03af\u03b1 \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1<\/h4>\n\n\n\n<p>\u0397 \u03b1\u03c0\u03bb\u03ae \u03c4\u03c5\u03c7\u03b1\u03af\u03b1 \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b9\u03b1 \u03b4\u03b7\u03bc\u03bf\u03c6\u03b9\u03bb\u03ae\u03c2 \u03ba\u03b1\u03b9 \u03b1\u03c0\u03bb\u03ae \u03bc\u03ad\u03b8\u03bf\u03b4\u03bf\u03c2 \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1\u03c2 \u03c3\u03c4\u03b7 \u03c3\u03c4\u03b1\u03c4\u03b9\u03c3\u03c4\u03b9\u03ba\u03ae. \u03a0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03b5\u03b9 \u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae \u03b5\u03bd\u03cc\u03c2 \u03c5\u03c0\u03bf\u03c3\u03c5\u03bd\u03cc\u03bb\u03bf\u03c5 \u03b1\u03c4\u03cc\u03bc\u03c9\u03bd \u03ae \u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af\u03c9\u03bd \u03b1\u03c0\u03cc \u03ad\u03bd\u03b1\u03bd \u03b5\u03c5\u03c1\u03cd\u03c4\u03b5\u03c1\u03bf \u03c0\u03bb\u03b7\u03b8\u03c5\u03c3\u03bc\u03cc \u03bc\u03b5 \u03c4\u03ad\u03c4\u03bf\u03b9\u03bf \u03c4\u03c1\u03cc\u03c0\u03bf \u03ce\u03c3\u03c4\u03b5 \u03ba\u03ac\u03b8\u03b5 \u03ac\u03c4\u03bf\u03bc\u03bf \u03ae \u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af\u03bf \u03bd\u03b1 \u03ad\u03c7\u03b5\u03b9 \u03af\u03c3\u03b5\u03c2 \u03c0\u03b9\u03b8\u03b1\u03bd\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2 \u03bd\u03b1 \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03bb\u03b7\u03c6\u03b8\u03b5\u03af \u03c3\u03c4\u03bf \u03b4\u03b5\u03af\u03b3\u03bc\u03b1.<\/p>\n\n\n\n<h4 id=\"h-systematic-sampling\">\u03a3\u03c5\u03c3\u03c4\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1<\/h4>\n\n\n\n<p>\u0397 \u03c3\u03c5\u03c3\u03c4\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b9\u03b1 \u03bc\u03ad\u03b8\u03bf\u03b4\u03bf\u03c2 \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae\u03c2 \u03c3\u03c5\u03bc\u03bc\u03b5\u03c4\u03b5\u03c7\u03cc\u03bd\u03c4\u03c9\u03bd \u03b1\u03c0\u03cc \u03ad\u03bd\u03b1\u03bd \u03c0\u03bb\u03b7\u03b8\u03c5\u03c3\u03bc\u03cc \u03c3\u03b5 \u03c4\u03b1\u03ba\u03c4\u03ac \u03c7\u03c1\u03bf\u03bd\u03b9\u03ba\u03ac \u03b4\u03b9\u03b1\u03c3\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1. \u0393\u03b9\u03b1 \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1, \u03b5\u03ac\u03bd \u03c4\u03bf \u03bc\u03ad\u03b3\u03b5\u03b8\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03c0\u03bb\u03b7\u03b8\u03c5\u03c3\u03bc\u03bf\u03cd \u03b5\u03af\u03bd\u03b1\u03b9 100 \u03ba\u03b1\u03b9 \u03c4\u03bf \u03b5\u03c0\u03b9\u03b8\u03c5\u03bc\u03b7\u03c4\u03cc \u03bc\u03ad\u03b3\u03b5\u03b8\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03b4\u03b5\u03af\u03b3\u03bc\u03b1\u03c4\u03bf\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 20, \u03ba\u03ac\u03b8\u03b5 \u03c0\u03ad\u03bc\u03c0\u03c4\u03bf \u03bc\u03ad\u03bb\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03c0\u03bb\u03b7\u03b8\u03c5\u03c3\u03bc\u03bf\u03cd \u03b8\u03b1 \u03b5\u03c0\u03b9\u03bb\u03b5\u03b3\u03b5\u03af \u03b3\u03b9\u03b1 \u03c4\u03bf \u03b4\u03b5\u03af\u03b3\u03bc\u03b1.<\/p>\n\n\n\n<h4 id=\"h-stratified-sampling\">\u03a3\u03c4\u03c1\u03c9\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03b9\u03b7\u03bc\u03ad\u03bd\u03b7 \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1<\/h4>\n\n\n\n<p>\u0397 \u03c3\u03c4\u03c1\u03c9\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03b9\u03b7\u03bc\u03ad\u03bd\u03b7 \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b9\u03b1 \u03c4\u03b5\u03c7\u03bd\u03b9\u03ba\u03ae \u03c0\u03bf\u03c5 \u03c3\u03c5\u03bd\u03b5\u03c0\u03ac\u03b3\u03b5\u03c4\u03b1\u03b9 \u03c4\u03b7 \u03b4\u03b9\u03b1\u03af\u03c1\u03b5\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03c0\u03bb\u03b7\u03b8\u03c5\u03c3\u03bc\u03bf\u03cd \u03c3\u03b5 \u03b4\u03b9\u03b1\u03ba\u03c1\u03b9\u03c4\u03ad\u03c2 \u03c5\u03c0\u03bf\u03bf\u03bc\u03ac\u03b4\u03b5\u03c2 \u03ae \u03c3\u03c4\u03c1\u03ce\u03bc\u03b1\u03c4\u03b1 \u03bc\u03b5 \u03b2\u03ac\u03c3\u03b7 \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03b1 \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ac, \u03cc\u03c0\u03c9\u03c2 \u03b7 \u03b7\u03bb\u03b9\u03ba\u03af\u03b1 \u03ae \u03c4\u03bf \u03c6\u03cd\u03bb\u03bf. \u039f\u03b9 \u03c3\u03c5\u03bc\u03bc\u03b5\u03c4\u03ad\u03c7\u03bf\u03bd\u03c4\u03b5\u03c2 \u03b5\u03c0\u03b9\u03bb\u03ad\u03b3\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7 \u03c3\u03c5\u03bd\u03ad\u03c7\u03b5\u03b9\u03b1 \u03b1\u03c0\u03cc \u03ba\u03ac\u03b8\u03b5 \u03c3\u03c4\u03c1\u03ce\u03bc\u03b1 \u03b1\u03bd\u03ac\u03bb\u03bf\u03b3\u03b1 \u03bc\u03b5 \u03c4\u03bf \u03bc\u03ad\u03b3\u03b5\u03b8\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03bf\u03c5 \u03c3\u03c4\u03c1\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 \u03c3\u03c4\u03bf\u03bd \u03c0\u03bb\u03b7\u03b8\u03c5\u03c3\u03bc\u03cc.<\/p>\n\n\n\n<h4 id=\"h-cluster-sampling\">\u0394\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1 \u03ba\u03b1\u03c4\u03ac \u03c3\u03c5\u03c3\u03c4\u03ac\u03b4\u03b5\u03c2<\/h4>\n\n\n\n<p>\u0397 \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1 \u03ba\u03b1\u03c4\u03ac \u03c3\u03c5\u03c3\u03c4\u03ac\u03b4\u03b5\u03c2 \u03c0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03b5\u03b9 \u03c4\u03b7\u03bd \u03ba\u03b1\u03c4\u03b1\u03bd\u03bf\u03bc\u03ae \u03c4\u03bf\u03c5 \u03c0\u03bb\u03b7\u03b8\u03c5\u03c3\u03bc\u03bf\u03cd \u03c3\u03b5 \u03c3\u03c5\u03c3\u03c4\u03ac\u03b4\u03b5\u03c2 \u03ae \u03bf\u03bc\u03ac\u03b4\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03c3\u03c4\u03b7 \u03c3\u03c5\u03bd\u03ad\u03c7\u03b5\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae \u03b5\u03bd\u03cc\u03c2 \u03c4\u03c5\u03c7\u03b1\u03af\u03bf\u03c5 \u03b4\u03b5\u03af\u03b3\u03bc\u03b1\u03c4\u03bf\u03c2 \u03b1\u03c0\u03cc \u03b1\u03c5\u03c4\u03ad\u03c2 \u03c4\u03b9\u03c2 \u03c3\u03c5\u03c3\u03c4\u03ac\u03b4\u03b5\u03c2. \u03a3\u03c4\u03b7 \u03c3\u03c5\u03bd\u03ad\u03c7\u03b5\u03b9\u03b1, \u03cc\u03bb\u03b1 \u03c4\u03b1 \u03bc\u03ad\u03bb\u03b7 \u03c4\u03c9\u03bd \u03b5\u03c0\u03b9\u03bb\u03b5\u03b3\u03bc\u03ad\u03bd\u03c9\u03bd \u03c3\u03c5\u03c3\u03c4\u03ac\u03b4\u03c9\u03bd \u03c0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03b4\u03b5\u03af\u03b3\u03bc\u03b1.<\/p>\n\n\n\n<h4 id=\"h-multistage-sampling\">\u0394\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1 \u03c0\u03bf\u03bb\u03bb\u03b1\u03c0\u03bb\u03ce\u03bd \u03c3\u03c4\u03b1\u03b4\u03af\u03c9\u03bd<\/h4>\n\n\n\n<p>\u0397 \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1 \u03c0\u03bf\u03bb\u03bb\u03b1\u03c0\u03bb\u03ce\u03bd \u03c3\u03c4\u03b1\u03b4\u03af\u03c9\u03bd \u03b5\u03bd\u03c3\u03c9\u03bc\u03b1\u03c4\u03ce\u03bd\u03b5\u03b9 \u03ad\u03bd\u03b1 \u03bc\u03b5\u03af\u03b3\u03bc\u03b1 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ce\u03bd \u03c4\u03b5\u03c7\u03bd\u03b9\u03ba\u03ce\u03bd \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03bb\u03ae\u03c8\u03b7 \u03b1\u03bd\u03c4\u03b9\u03c0\u03c1\u03bf\u03c3\u03c9\u03c0\u03b5\u03c5\u03c4\u03b9\u03ba\u03bf\u03cd \u03b4\u03b5\u03af\u03b3\u03bc\u03b1\u03c4\u03bf\u03c2. \u0393\u03b9\u03b1 \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1, \u03ad\u03bd\u03b1\u03c2 \u03b5\u03c1\u03b5\u03c5\u03bd\u03b7\u03c4\u03ae\u03c2 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03b5\u03b9 \u03c3\u03c4\u03c1\u03c9\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03b9\u03b7\u03bc\u03ad\u03bd\u03b7 \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b5\u03c0\u03b9\u03bb\u03ad\u03be\u03b5\u03b9 \u03bf\u03bc\u03ac\u03b4\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03c3\u03c4\u03b7 \u03c3\u03c5\u03bd\u03ad\u03c7\u03b5\u03b9\u03b1 \u03bd\u03b1 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03b5\u03b9 \u03b1\u03c0\u03bb\u03ae \u03c4\u03c5\u03c7\u03b1\u03af\u03b1 \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b5\u03c0\u03b9\u03bb\u03ad\u03be\u03b5\u03b9 \u03c3\u03c5\u03bc\u03bc\u03b5\u03c4\u03ad\u03c7\u03bf\u03bd\u03c4\u03b5\u03c2 \u03b1\u03c0\u03cc \u03b1\u03c5\u03c4\u03ad\u03c2 \u03c4\u03b9\u03c2 \u03bf\u03bc\u03ac\u03b4\u03b5\u03c2.<\/p>\n\n\n\n<h3 id=\"h-non-probability-sampling\">\u0394\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1 \u03bc\u03b7 \u03c0\u03b9\u03b8\u03b1\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2<\/h3>\n\n\n\n<p>\u0397 \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1 \u03bc\u03b7 \u03c0\u03b9\u03b8\u03b1\u03bd\u03bf\u03c4\u03ae\u03c4\u03c9\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b9\u03b1 \u03c4\u03b5\u03c7\u03bd\u03b9\u03ba\u03ae \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1\u03c2 \u03c3\u03c4\u03b7\u03bd \u03bf\u03c0\u03bf\u03af\u03b1 \u03b7 \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae \u03c4\u03c9\u03bd \u03c3\u03c5\u03bc\u03bc\u03b5\u03c4\u03b5\u03c7\u03cc\u03bd\u03c4\u03c9\u03bd \u03b2\u03b1\u03c3\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03c0\u03b1\u03c1\u03ac\u03b3\u03bf\u03bd\u03c4\u03b5\u03c2 \u03b5\u03ba\u03c4\u03cc\u03c2 \u03c4\u03b7\u03c2 \u03c0\u03b9\u03b8\u03b1\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2. \u0391\u03c5\u03c4\u03cc \u03c3\u03b7\u03bc\u03b1\u03af\u03bd\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03bf\u03c1\u03b9\u03c3\u03bc\u03ad\u03bd\u03b1 \u03bc\u03ad\u03bb\u03b7 \u03c4\u03bf\u03c5 \u03c0\u03bb\u03b7\u03b8\u03c5\u03c3\u03bc\u03bf\u03cd \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03ad\u03c7\u03bf\u03c5\u03bd \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03b5\u03c2 \u03c0\u03b9\u03b8\u03b1\u03bd\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2 \u03bd\u03b1 \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03bb\u03b7\u03c6\u03b8\u03bf\u03cd\u03bd \u03c3\u03c4\u03bf \u03b4\u03b5\u03af\u03b3\u03bc\u03b1 \u03b1\u03c0\u03cc \u03cc,\u03c4\u03b9 \u03ac\u03bb\u03bb\u03b1. \u03a5\u03c0\u03ac\u03c1\u03c7\u03bf\u03c5\u03bd \u03b4\u03b9\u03ac\u03c6\u03bf\u03c1\u03bf\u03b9 \u03c4\u03cd\u03c0\u03bf\u03b9 \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1\u03c2 \u03bc\u03b7 \u03c0\u03b9\u03b8\u03b1\u03bd\u03bf\u03c4\u03ae\u03c4\u03c9\u03bd, \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03c9\u03bd \u03bf\u03c0\u03bf\u03af\u03c9\u03bd:<\/p>\n\n\n\n<h4 id=\"h-convenience-sampling\">\u0394\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1 \u03b5\u03c5\u03ba\u03bf\u03bb\u03af\u03b1\u03c2<\/h4>\n\n\n\n<p>\u0397 \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1 \u03b5\u03c5\u03ba\u03bf\u03bb\u03af\u03b1\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b9\u03b1 \u03c4\u03b5\u03c7\u03bd\u03b9\u03ba\u03ae \u03ba\u03b1\u03c4\u03ac \u03c4\u03b7\u03bd \u03bf\u03c0\u03bf\u03af\u03b1 \u03bf\u03b9 \u03c3\u03c5\u03bc\u03bc\u03b5\u03c4\u03ad\u03c7\u03bf\u03bd\u03c4\u03b5\u03c2 \u03b5\u03c0\u03b9\u03bb\u03ad\u03b3\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03b2\u03ac\u03c3\u03b7 \u03c4\u03b7\u03bd \u03b5\u03cd\u03ba\u03bf\u03bb\u03b7 \u03c0\u03c1\u03bf\u03c3\u03b2\u03b1\u03c3\u03b9\u03bc\u03cc\u03c4\u03b7\u03c4\u03b1 \u03ae \u03b4\u03b9\u03b1\u03b8\u03b5\u03c3\u03b9\u03bc\u03cc\u03c4\u03b7\u03c4\u03ac \u03c4\u03bf\u03c5\u03c2. \u0393\u03b9\u03b1 \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1, \u03ad\u03bd\u03b1\u03c2 \u03b5\u03c1\u03b5\u03c5\u03bd\u03b7\u03c4\u03ae\u03c2 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c0\u03c1\u03bf\u03c3\u03bb\u03ac\u03b2\u03b5\u03b9 \u03c3\u03c5\u03bc\u03bc\u03b5\u03c4\u03ad\u03c7\u03bf\u03bd\u03c4\u03b5\u03c2 \u03b1\u03c0\u03cc \u03bc\u03b9\u03b1 \u03c4\u03ac\u03be\u03b7 \u03c0\u03bf\u03c5 \u03b4\u03b9\u03b4\u03ac\u03c3\u03ba\u03b5\u03b9 \u03ae \u03b1\u03c0\u03cc \u03ad\u03bd\u03b1 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03c4\u03c5\u03b1\u03ba\u03cc \u03c6\u03cc\u03c1\u03bf\u03c5\u03bc.<\/p>\n\n\n\n<h4 id=\"h-quota-sampling\">\u0394\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1 \u03c0\u03bf\u03c3\u03cc\u03c3\u03c4\u03c9\u03c3\u03b7\u03c2<\/h4>\n\n\n\n<p>\u0397 \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1 \u03c0\u03bf\u03c3\u03cc\u03c3\u03c4\u03c9\u03c3\u03b7\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b9\u03b1 \u03bc\u03ad\u03b8\u03bf\u03b4\u03bf\u03c2 \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae\u03c2 \u03c3\u03c5\u03bc\u03bc\u03b5\u03c4\u03b5\u03c7\u03cc\u03bd\u03c4\u03c9\u03bd \u03c0\u03bf\u03c5 \u03b1\u03c0\u03bf\u03c3\u03ba\u03bf\u03c0\u03b5\u03af \u03c3\u03c4\u03b7\u03bd \u03b5\u03be\u03b1\u03c3\u03c6\u03ac\u03bb\u03b9\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b5\u03ba\u03c0\u03c1\u03bf\u03c3\u03ce\u03c0\u03b7\u03c3\u03b7\u03c2 \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03c9\u03bd \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ce\u03bd \u03c3\u03c4\u03bf \u03b4\u03b5\u03af\u03b3\u03bc\u03b1, \u03b1\u03bd\u03c4\u03b1\u03bd\u03b1\u03ba\u03bb\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b7\u03bd \u03c0\u03bf\u03b9\u03ba\u03b9\u03bb\u03bf\u03bc\u03bf\u03c1\u03c6\u03af\u03b1 \u03c4\u03bf\u03c5 \u03c0\u03bb\u03b7\u03b8\u03c5\u03c3\u03bc\u03bf\u03cd. \u0393\u03b9\u03b1 \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1, \u03ad\u03bd\u03b1\u03c2 \u03b5\u03c1\u03b5\u03c5\u03bd\u03b7\u03c4\u03ae\u03c2 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c3\u03c4\u03bf\u03c7\u03b5\u03cd\u03b5\u03b9 \u03c3\u03c4\u03b7\u03bd \u03c0\u03c1\u03cc\u03c3\u03bb\u03b7\u03c8\u03b7 \u03b5\u03bd\u03cc\u03c2 \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03bf\u03c5 \u03b1\u03c1\u03b9\u03b8\u03bc\u03bf\u03cd \u03b1\u03bd\u03b4\u03c1\u03ce\u03bd \u03ba\u03b1\u03b9 \u03b3\u03c5\u03bd\u03b1\u03b9\u03ba\u03ce\u03bd \u03ae \u03b5\u03bd\u03cc\u03c2 \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03bf\u03c5 \u03b1\u03c1\u03b9\u03b8\u03bc\u03bf\u03cd \u03c3\u03c5\u03bc\u03bc\u03b5\u03c4\u03b5\u03c7\u03cc\u03bd\u03c4\u03c9\u03bd \u03b1\u03c0\u03cc \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b7\u03bb\u03b9\u03ba\u03b9\u03b1\u03ba\u03ad\u03c2 \u03bf\u03bc\u03ac\u03b4\u03b5\u03c2.<\/p>\n\n\n\n<h4 id=\"h-judgemental-sampling\">\u0394\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1 \u03ba\u03b1\u03c4\u03ac \u03ba\u03c1\u03af\u03c3\u03b7<\/h4>\n\n\n\n<p>\u0397 \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1 \u03ba\u03b1\u03c4\u03ac \u03ba\u03c1\u03af\u03c3\u03b7 \u03c0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03b5\u03b9 \u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae \u03c4\u03c9\u03bd \u03c3\u03c5\u03bc\u03bc\u03b5\u03c4\u03b5\u03c7\u03cc\u03bd\u03c4\u03c9\u03bd \u03bc\u03b5 \u03b2\u03ac\u03c3\u03b7 \u03c4\u03b7\u03bd \u03ba\u03c1\u03af\u03c3\u03b7 \u03ae \u03c4\u03b7\u03bd \u03b5\u03bc\u03c0\u03b5\u03b9\u03c1\u03bf\u03b3\u03bd\u03c9\u03bc\u03bf\u03c3\u03cd\u03bd\u03b7 \u03c4\u03bf\u03c5 \u03b5\u03c1\u03b5\u03c5\u03bd\u03b7\u03c4\u03ae. \u0391\u03c5\u03c4\u03cc \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03ba\u03b1\u03c4\u03ac\u03bb\u03bb\u03b7\u03bb\u03bf \u03cc\u03c4\u03b1\u03bd \u03b5\u03c1\u03b5\u03c5\u03bd\u03ac\u03c4\u03b1\u03b9 \u03ad\u03bd\u03b1\u03c2 \u03b9\u03b4\u03b9\u03b1\u03af\u03c4\u03b5\u03c1\u03b1 \u03b5\u03be\u03b5\u03b9\u03b4\u03b9\u03ba\u03b5\u03c5\u03bc\u03ad\u03bd\u03bf\u03c2 \u03ae \u03b4\u03cd\u03c3\u03ba\u03bf\u03bb\u03b1 \u03c0\u03c1\u03bf\u03c3\u03b5\u03b3\u03b3\u03af\u03c3\u03b9\u03bc\u03bf\u03c2 \u03c0\u03bb\u03b7\u03b8\u03c5\u03c3\u03bc\u03cc\u03c2.<\/p>\n\n\n\n<h4 id=\"h-snowball-sampling\">\u0394\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1 \u03bc\u03b5 \u03c7\u03b9\u03bf\u03bd\u03bf\u03c3\u03c4\u03b9\u03b2\u03ac\u03b4\u03b1<\/h4>\n\n\n\n<p>\u0397 \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1 \u03c7\u03b9\u03bf\u03bd\u03bf\u03c3\u03c4\u03b9\u03b2\u03ac\u03b4\u03b1\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b9\u03b1 \u03bc\u03ad\u03b8\u03bf\u03b4\u03bf\u03c2 \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae\u03c2 \u03c3\u03c5\u03bc\u03bc\u03b5\u03c4\u03b5\u03c7\u03cc\u03bd\u03c4\u03c9\u03bd \u03c0\u03bf\u03c5 \u03b2\u03b1\u03c3\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03c3\u03c5\u03c3\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03b1\u03c0\u03cc \u03c5\u03c6\u03b9\u03c3\u03c4\u03ac\u03bc\u03b5\u03bd\u03bf\u03c5\u03c2 \u03c3\u03c5\u03bc\u03bc\u03b5\u03c4\u03ad\u03c7\u03bf\u03bd\u03c4\u03b5\u03c2. \u0391\u03c5\u03c4\u03cc \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c7\u03c1\u03ae\u03c3\u03b9\u03bc\u03bf \u03cc\u03c4\u03b1\u03bd \u03b5\u03c1\u03b5\u03c5\u03bd\u03ac\u03c4\u03b1\u03b9 \u03ad\u03bd\u03b1\u03c2 \u03c0\u03bb\u03b7\u03b8\u03c5\u03c3\u03bc\u03cc\u03c2 \u03c0\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b4\u03cd\u03c3\u03ba\u03bf\u03bb\u03bf \u03bd\u03b1 \u03b5\u03bd\u03c4\u03bf\u03c0\u03b9\u03c3\u03c4\u03b5\u03af \u03ae \u03bd\u03b1 \u03c0\u03c1\u03bf\u03c3\u03b5\u03b3\u03b3\u03b9\u03c3\u03c4\u03b5\u03af \u03ac\u03bc\u03b5\u03c3\u03b1, \u03cc\u03c0\u03c9\u03c2 \u03bf\u03b9 \u03c7\u03c1\u03ae\u03c3\u03c4\u03b5\u03c2 \u03bd\u03b1\u03c1\u03ba\u03c9\u03c4\u03b9\u03ba\u03ce\u03bd \u03ae \u03bf\u03b9 \u03bc\u03b5\u03c4\u03b1\u03bd\u03ac\u03c3\u03c4\u03b5\u03c2 \u03c7\u03c9\u03c1\u03af\u03c2 \u03c7\u03b1\u03c1\u03c4\u03b9\u03ac.<\/p>\n\n\n\n<p>\u0395\u03bb\u03ad\u03b3\u03be\u03c4\u03b5 \u03c4\u03bf \u03c0\u03b5\u03c1\u03b9\u03b5\u03c7\u03cc\u03bc\u03b5\u03bd\u03bf \u03c4\u03bf\u03c5 blog \u03bc\u03b1\u03c2 \u03b3\u03b9\u03b1 \"<a href=\"https:\/\/mindthegraph.com\/blog\/snowball-sampling\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u0394\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1 \u03c7\u03b9\u03bf\u03bd\u03bf\u03c3\u03c4\u03b9\u03b2\u03ac\u03b4\u03b1\u03c2: \u0391\u03c0\u03bf\u03ba\u03b1\u03bb\u03cd\u03c0\u03c4\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b1 \u03bc\u03c5\u03c3\u03c4\u03b9\u03ba\u03ac \u03b5\u03bd\u03cc\u03c2 \u03b9\u03c3\u03c7\u03c5\u03c1\u03bf\u03cd \u03b5\u03c1\u03b5\u03c5\u03bd\u03b7\u03c4\u03b9\u03ba\u03bf\u03cd \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03bf\u03c5<\/a>&#8220;.<\/p>\n\n\n\n<div style=\"height:21px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"600\" height=\"300\" src=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/08\/types-of-sampling-mtg.png\" alt=\"\u03b5\u03af\u03b4\u03b7 \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1\u03c2\" class=\"wp-image-29217\" srcset=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/08\/types-of-sampling-mtg.png 600w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/08\/types-of-sampling-mtg-300x150.png 300w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/08\/types-of-sampling-mtg-18x9.png 18w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/08\/types-of-sampling-mtg-100x50.png 100w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/08\/types-of-sampling-mtg-150x75.png 150w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><figcaption class=\"wp-element-caption\"><em>\u039a\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03bc\u03ad\u03bd\u03bf \u03bc\u03b5 <a href=\"https:\/\/mindthegraph.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">Mind the Graph<\/a><\/em><\/figcaption><\/figure><\/div>\n\n\n<div style=\"height:21px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/researcher.life\/all-access-pricing?utm_source=mtg&amp;utm_campaign=all-access-promotion&amp;utm_medium=blog\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"410\" src=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2024\/08\/Banner2-1024x410.png\" alt=\"\" class=\"wp-image-55426\" srcset=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2024\/08\/Banner2-1024x410.png 1024w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2024\/08\/Banner2-300x120.png 300w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2024\/08\/Banner2-768x307.png 768w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2024\/08\/Banner2-1536x615.png 1536w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2024\/08\/Banner2-2048x820.png 2048w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2024\/08\/Banner2-18x7.png 18w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2024\/08\/Banner2-100x40.png 100w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<h2 id=\"h-advantages-and-disadvantages-of-different-types-of-samples\">\u03a0\u03bb\u03b5\u03bf\u03bd\u03b5\u03ba\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03bc\u03b5\u03b9\u03bf\u03bd\u03b5\u03ba\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c4\u03c9\u03bd \u03b4\u03b9\u03b1\u03c6\u03cc\u03c1\u03c9\u03bd \u03c4\u03cd\u03c0\u03c9\u03bd \u03b4\u03b5\u03b9\u03b3\u03bc\u03ac\u03c4\u03c9\u03bd<\/h2>\n\n\n\n<p>\u039a\u03ac\u03b8\u03b5 \u03c4\u03cd\u03c0\u03bf\u03c2 \u03b4\u03b5\u03af\u03b3\u03bc\u03b1\u03c4\u03bf\u03c2 \u03ad\u03c7\u03b5\u03b9 \u03c4\u03b1 \u03c0\u03bb\u03b5\u03bf\u03bd\u03b5\u03ba\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03b1 \u03bc\u03b5\u03b9\u03bf\u03bd\u03b5\u03ba\u03c4\u03ae\u03bc\u03b1\u03c4\u03ac \u03c4\u03bf\u03c5, \u03c4\u03b1 \u03bf\u03c0\u03bf\u03af\u03b1 \u03bf\u03b9 \u03b5\u03c1\u03b5\u03c5\u03bd\u03b7\u03c4\u03ad\u03c2 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03bf\u03c5\u03bd \u03c5\u03c0\u03cc\u03c8\u03b7 \u03c4\u03bf\u03c5\u03c2 \u03ba\u03b1\u03c4\u03ac \u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae \u03c4\u03b7\u03c2 \u03bc\u03b5\u03b8\u03cc\u03b4\u03bf\u03c5 \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1\u03c2. \u0391\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03bf\u03cd\u03bd \u03bf\u03c1\u03b9\u03c3\u03bc\u03ad\u03bd\u03b1 \u03b3\u03b5\u03bd\u03b9\u03ba\u03ac \u03c0\u03bb\u03b5\u03bf\u03bd\u03b5\u03ba\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03bc\u03b5\u03b9\u03bf\u03bd\u03b5\u03ba\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c4\u03c9\u03bd \u03b4\u03b9\u03b1\u03c6\u03cc\u03c1\u03c9\u03bd \u03c4\u03cd\u03c0\u03c9\u03bd \u03b4\u03b5\u03b9\u03b3\u03bc\u03ac\u03c4\u03c9\u03bd:<\/p>\n\n\n\n<h3><strong>\u0391\u03c0\u03bb\u03ae \u03c4\u03c5\u03c7\u03b1\u03af\u03b1 \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1<\/strong><\/h3>\n\n\n\n<p>\u03a0\u03bb\u03b5\u03bf\u03bd\u03b5\u03ba\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1: \u0395\u03af\u03bd\u03b1\u03b9 \u03b5\u03cd\u03ba\u03bf\u03bb\u03bf \u03c3\u03c4\u03b7 \u03c7\u03c1\u03ae\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03c0\u03b1\u03c1\u03ad\u03c7\u03b5\u03b9 \u03b1\u03bd\u03c4\u03b9\u03c0\u03c1\u03bf\u03c3\u03c9\u03c0\u03b5\u03c5\u03c4\u03b9\u03ba\u03cc \u03b4\u03b5\u03af\u03b3\u03bc\u03b1 \u03c4\u03bf\u03c5 \u03c0\u03bb\u03b7\u03b8\u03c5\u03c3\u03bc\u03bf\u03cd.<\/p>\n\n\n\n<p>\u039c\u03b5\u03b9\u03bf\u03bd\u03b5\u03ba\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1: \u039c\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b4\u03b1\u03c0\u03b1\u03bd\u03b7\u03c1\u03cc \u03ba\u03b1\u03b9 \u03c7\u03c1\u03bf\u03bd\u03bf\u03b2\u03cc\u03c1\u03bf \u03bd\u03b1 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03b7\u03b8\u03b5\u03af \u03ad\u03bd\u03b1\u03c2 \u03c0\u03bb\u03ae\u03c1\u03b7\u03c2 \u03ba\u03b1\u03c4\u03ac\u03bb\u03bf\u03b3\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03c0\u03bb\u03b7\u03b8\u03c5\u03c3\u03bc\u03bf\u03cd.<\/p>\n\n\n\n<h3><strong>\u03a3\u03c5\u03c3\u03c4\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1<\/strong><\/h3>\n\n\n\n<p>\u03a0\u03bb\u03b5\u03bf\u03bd\u03b5\u03ba\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1: \u0395\u03af\u03bd\u03b1\u03b9 \u03bb\u03b9\u03b3\u03cc\u03c4\u03b5\u03c1\u03bf \u03c7\u03c1\u03bf\u03bd\u03bf\u03b2\u03cc\u03c1\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03b1\u03c0\u03bb\u03ae \u03c4\u03c5\u03c7\u03b1\u03af\u03b1 \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1 \u03ba\u03b1\u03b9 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c0\u03b1\u03c1\u03ad\u03c7\u03b5\u03b9 \u03b1\u03bd\u03c4\u03b9\u03c0\u03c1\u03bf\u03c3\u03c9\u03c0\u03b5\u03c5\u03c4\u03b9\u03ba\u03cc \u03b4\u03b5\u03af\u03b3\u03bc\u03b1 \u03c4\u03bf\u03c5 \u03c0\u03bb\u03b7\u03b8\u03c5\u03c3\u03bc\u03bf\u03cd.<\/p>\n\n\n\n<p>\u039c\u03b5\u03b9\u03bf\u03bd\u03b5\u03ba\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1: \u0391\u03bd \u03bf \u03c0\u03bb\u03b7\u03b8\u03c5\u03c3\u03bc\u03cc\u03c2 \u03ad\u03c7\u03b5\u03b9 \u03c0\u03b5\u03c1\u03b9\u03bf\u03b4\u03b9\u03ba\u03cc \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03bf, \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03bc\u03b7\u03bd \u03c0\u03b1\u03c1\u03ad\u03c7\u03b5\u03b9 \u03b1\u03bd\u03c4\u03b9\u03c0\u03c1\u03bf\u03c3\u03c9\u03c0\u03b5\u03c5\u03c4\u03b9\u03ba\u03cc \u03b4\u03b5\u03af\u03b3\u03bc\u03b1.<\/p>\n\n\n\n<h3><strong>\u03a3\u03c4\u03c1\u03c9\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03b9\u03b7\u03bc\u03ad\u03bd\u03b7 \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1<\/strong><\/h3>\n\n\n\n<p>\u03a0\u03bb\u03b5\u03bf\u03bd\u03b5\u03ba\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1: \u039c\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b1\u03c5\u03be\u03ae\u03c3\u03b5\u03b9 \u03c4\u03b7\u03bd \u03b1\u03bd\u03c4\u03b9\u03c0\u03c1\u03bf\u03c3\u03c9\u03c0\u03b5\u03c5\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03bf\u03c5 \u03b4\u03b5\u03af\u03b3\u03bc\u03b1\u03c4\u03bf\u03c2 \u03b5\u03be\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03c2 \u03cc\u03c4\u03b9 \u03c0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03ad\u03c2 \u03c5\u03c0\u03bf\u03bf\u03bc\u03ac\u03b4\u03b5\u03c2.<\/p>\n\n\n\n<p>\u039c\u03b5\u03b9\u03bf\u03bd\u03b5\u03ba\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1: \u039c\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b4\u03cd\u03c3\u03ba\u03bf\u03bb\u03bf \u03bd\u03b1 \u03ba\u03b1\u03b8\u03bf\u03c1\u03b9\u03c3\u03c4\u03bf\u03cd\u03bd \u03c4\u03b1 \u03ba\u03b1\u03c4\u03ac\u03bb\u03bb\u03b7\u03bb\u03b1 \u03c3\u03c4\u03c1\u03ce\u03bc\u03b1\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03b1 \u03bc\u03b5\u03b3\u03ad\u03b8\u03b7 \u03c4\u03bf\u03c5\u03c2.<\/p>\n\n\n\n<h3><strong>\u0394\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1 \u03ba\u03b1\u03c4\u03ac \u03c3\u03c5\u03c3\u03c4\u03ac\u03b4\u03b5\u03c2<\/strong><\/h3>\n\n\n\n<p>\u03a0\u03bb\u03b5\u03bf\u03bd\u03b5\u03ba\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1: \u0395\u03af\u03bd\u03b1\u03b9 \u03c7\u03c1\u03ae\u03c3\u03b9\u03bc\u03bf \u03b3\u03b9\u03b1 \u03bc\u03b5\u03b3\u03ac\u03bb\u03bf\u03c5\u03c2 \u03c0\u03bb\u03b7\u03b8\u03c5\u03c3\u03bc\u03bf\u03cd\u03c2 \u03c0\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b3\u03b5\u03c9\u03b3\u03c1\u03b1\u03c6\u03b9\u03ba\u03ac \u03b4\u03b9\u03b1\u03c3\u03ba\u03bf\u03c1\u03c0\u03b9\u03c3\u03bc\u03ad\u03bd\u03bf\u03b9 \u03ba\u03b1\u03b9 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03bc\u03b5\u03b9\u03ce\u03c3\u03b5\u03b9 \u03c4\u03bf \u03ba\u03cc\u03c3\u03c4\u03bf\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03bf \u03c7\u03c1\u03cc\u03bd\u03bf.<\/p>\n\n\n\n<p>\u039c\u03b5\u03b9\u03bf\u03bd\u03b5\u03ba\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1: \u039c\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03bc\u03b5\u03b9\u03ce\u03c3\u03b5\u03b9 \u03c4\u03b7\u03bd \u03b1\u03bd\u03c4\u03b9\u03c0\u03c1\u03bf\u03c3\u03c9\u03c0\u03b5\u03c5\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03bf\u03c5 \u03b4\u03b5\u03af\u03b3\u03bc\u03b1\u03c4\u03bf\u03c2 \u03b5\u03ac\u03bd \u03bf\u03b9 \u03c3\u03c5\u03c3\u03c4\u03ac\u03b4\u03b5\u03c2 \u03b4\u03b5\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03bd\u03c4\u03b9\u03c0\u03c1\u03bf\u03c3\u03c9\u03c0\u03b5\u03c5\u03c4\u03b9\u03ba\u03ad\u03c2 \u03c4\u03bf\u03c5 \u03c0\u03bb\u03b7\u03b8\u03c5\u03c3\u03bc\u03bf\u03cd.<\/p>\n\n\n\n<h3><strong>\u0394\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1 \u03c0\u03bf\u03bb\u03bb\u03b1\u03c0\u03bb\u03ce\u03bd \u03c3\u03c4\u03b1\u03b4\u03af\u03c9\u03bd<\/strong><\/h3>\n\n\n\n<p>\u03a0\u03bb\u03b5\u03bf\u03bd\u03b5\u03ba\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1: \u039c\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c7\u03c1\u03ae\u03c3\u03b9\u03bc\u03b7 \u03b3\u03b9\u03b1 \u03bc\u03b5\u03b3\u03ac\u03bb\u03bf\u03c5\u03c2 \u03c0\u03bb\u03b7\u03b8\u03c5\u03c3\u03bc\u03bf\u03cd\u03c2 \u03c0\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b3\u03b5\u03c9\u03b3\u03c1\u03b1\u03c6\u03b9\u03ba\u03ac \u03b4\u03b9\u03b1\u03c3\u03ba\u03bf\u03c1\u03c0\u03b9\u03c3\u03bc\u03ad\u03bd\u03bf\u03b9 \u03ba\u03b1\u03b9 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03bc\u03b5\u03b9\u03ce\u03c3\u03b5\u03b9 \u03c4\u03bf \u03ba\u03cc\u03c3\u03c4\u03bf\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03bf \u03c7\u03c1\u03cc\u03bd\u03bf.<\/p>\n\n\n\n<p>\u039c\u03b5\u03b9\u03bf\u03bd\u03b5\u03ba\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1: \u039c\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03bc\u03b5\u03b9\u03ce\u03c3\u03b5\u03b9 \u03c4\u03b7\u03bd \u03b1\u03bd\u03c4\u03b9\u03c0\u03c1\u03bf\u03c3\u03c9\u03c0\u03b5\u03c5\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03bf\u03c5 \u03b4\u03b5\u03af\u03b3\u03bc\u03b1\u03c4\u03bf\u03c2 \u03b5\u03ac\u03bd \u03bf\u03b9 \u03c3\u03c5\u03c3\u03c4\u03ac\u03b4\u03b5\u03c2 \u03b4\u03b5\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03bd\u03c4\u03b9\u03c0\u03c1\u03bf\u03c3\u03c9\u03c0\u03b5\u03c5\u03c4\u03b9\u03ba\u03ad\u03c2 \u03c4\u03bf\u03c5 \u03c0\u03bb\u03b7\u03b8\u03c5\u03c3\u03bc\u03bf\u03cd.<\/p>\n\n\n\n<h3><strong>\u0394\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1 \u03b5\u03c5\u03ba\u03bf\u03bb\u03af\u03b1\u03c2<\/strong><\/h3>\n\n\n\n<p>\u03a0\u03bb\u03b5\u03bf\u03bd\u03b5\u03ba\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1: \u0395\u03af\u03bd\u03b1\u03b9 \u03b5\u03cd\u03ba\u03bf\u03bb\u03bf \u03ba\u03b1\u03b9 \u03b3\u03c1\u03ae\u03b3\u03bf\u03c1\u03bf \u03c3\u03c4\u03b7\u03bd \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ae.<\/p>\n\n\n\n<p>\u039c\u03b5\u03b9\u03bf\u03bd\u03b5\u03ba\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1: \u039c\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b5\u03b9\u03c3\u03ac\u03b3\u03b5\u03b9 \u03bc\u03b5\u03c1\u03bf\u03bb\u03b7\u03c8\u03af\u03b1 \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03bc\u03b7\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03bd\u03c4\u03b9\u03c0\u03c1\u03bf\u03c3\u03c9\u03c0\u03b5\u03c5\u03c4\u03b9\u03ba\u03ae \u03c4\u03bf\u03c5 \u03c0\u03bb\u03b7\u03b8\u03c5\u03c3\u03bc\u03bf\u03cd.<\/p>\n\n\n\n<h3><strong>\u0394\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1 \u03c0\u03bf\u03c3\u03cc\u03c3\u03c4\u03c9\u03c3\u03b7\u03c2<\/strong><\/h3>\n\n\n\n<p>\u03a0\u03bb\u03b5\u03bf\u03bd\u03b5\u03ba\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1: \u0395\u03af\u03bd\u03b1\u03b9 \u03b5\u03cd\u03ba\u03bf\u03bb\u03bf \u03c3\u03c4\u03b7\u03bd \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ae \u03ba\u03b1\u03b9 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b5\u03be\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03c3\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03c4\u03bf \u03b4\u03b5\u03af\u03b3\u03bc\u03b1 \u03c0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03b5\u03b9 \u03c4\u03b9\u03c2 \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03ad\u03c2 \u03c5\u03c0\u03bf\u03bf\u03bc\u03ac\u03b4\u03b5\u03c2.<\/p>\n\n\n\n<p>\u039c\u03b5\u03b9\u03bf\u03bd\u03b5\u03ba\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1: \u039c\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b5\u03b9\u03c3\u03ac\u03b3\u03b5\u03b9 \u03bc\u03b5\u03c1\u03bf\u03bb\u03b7\u03c8\u03af\u03b1 \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03bc\u03b7\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03bd\u03c4\u03b9\u03c0\u03c1\u03bf\u03c3\u03c9\u03c0\u03b5\u03c5\u03c4\u03b9\u03ba\u03ae \u03c4\u03bf\u03c5 \u03c0\u03bb\u03b7\u03b8\u03c5\u03c3\u03bc\u03bf\u03cd.<\/p>\n\n\n\n<h3><strong>\u0394\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1 \u03ba\u03b1\u03c4\u03ac \u03ba\u03c1\u03af\u03c3\u03b7<\/strong><\/h3>\n\n\n\n<p>\u03a0\u03bb\u03b5\u03bf\u03bd\u03b5\u03ba\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1: \u0395\u03af\u03bd\u03b1\u03b9 \u03c7\u03c1\u03ae\u03c3\u03b9\u03bc\u03b7 \u03b3\u03b9\u03b1 \u03b5\u03be\u03b5\u03b9\u03b4\u03b9\u03ba\u03b5\u03c5\u03bc\u03ad\u03bd\u03bf\u03c5\u03c2 \u03c0\u03bb\u03b7\u03b8\u03c5\u03c3\u03bc\u03bf\u03cd\u03c2 \u03ba\u03b1\u03b9 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03b9\u03bf \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae \u03b1\u03c0\u03cc \u03ac\u03bb\u03bb\u03b5\u03c2 \u03bc\u03b5\u03b8\u03cc\u03b4\u03bf\u03c5\u03c2.<\/p>\n\n\n\n<p>\u039c\u03b5\u03b9\u03bf\u03bd\u03b5\u03ba\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1: \u039c\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b5\u03b9\u03c3\u03ac\u03b3\u03b5\u03b9 \u03bc\u03b5\u03c1\u03bf\u03bb\u03b7\u03c8\u03af\u03b1 \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03bc\u03b7\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03bd\u03c4\u03b9\u03c0\u03c1\u03bf\u03c3\u03c9\u03c0\u03b5\u03c5\u03c4\u03b9\u03ba\u03ae \u03c4\u03bf\u03c5 \u03c0\u03bb\u03b7\u03b8\u03c5\u03c3\u03bc\u03bf\u03cd.<\/p>\n\n\n\n<h3><strong>\u0394\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1 \u03bc\u03b5 \u03c7\u03b9\u03bf\u03bd\u03bf\u03c3\u03c4\u03b9\u03b2\u03ac\u03b4\u03b1<\/strong><\/h3>\n\n\n\n<p>\u03a0\u03bb\u03b5\u03bf\u03bd\u03b5\u03ba\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1: \u0395\u03af\u03bd\u03b1\u03b9 \u03c7\u03c1\u03ae\u03c3\u03b9\u03bc\u03b7 \u03b3\u03b9\u03b1 \u03b4\u03c5\u03c3\u03c0\u03c1\u03cc\u03c3\u03b9\u03c4\u03bf\u03c5\u03c2 \u03c0\u03bb\u03b7\u03b8\u03c5\u03c3\u03bc\u03bf\u03cd\u03c2 \u03ba\u03b1\u03b9 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03b9\u03bf \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae \u03b1\u03c0\u03cc \u03ac\u03bb\u03bb\u03b5\u03c2 \u03bc\u03b5\u03b8\u03cc\u03b4\u03bf\u03c5\u03c2.<\/p>\n\n\n\n<p>\u039c\u03b5\u03b9\u03bf\u03bd\u03b5\u03ba\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1: \u039c\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b5\u03b9\u03c3\u03ac\u03b3\u03b5\u03b9 \u03bc\u03b5\u03c1\u03bf\u03bb\u03b7\u03c8\u03af\u03b1 \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03bc\u03b7\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03bd\u03c4\u03b9\u03c0\u03c1\u03bf\u03c3\u03c9\u03c0\u03b5\u03c5\u03c4\u03b9\u03ba\u03ae \u03c4\u03bf\u03c5 \u03c0\u03bb\u03b7\u03b8\u03c5\u03c3\u03bc\u03bf\u03cd.<\/p>\n\n\n\n<p>\u0395\u03bb\u03ad\u03b3\u03be\u03c4\u03b5 \u03c4\u03bf \u03c0\u03b5\u03c1\u03b9\u03b5\u03c7\u03cc\u03bc\u03b5\u03bd\u03bf \u03c4\u03bf\u03c5 blog \u03bc\u03b1\u03c2 \u03b3\u03b9\u03b1 \"<a href=\"https:\/\/mindthegraph.com\/blog\/snowball-sampling\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u0394\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1 \u03c7\u03b9\u03bf\u03bd\u03bf\u03c3\u03c4\u03b9\u03b2\u03ac\u03b4\u03b1\u03c2: \u0391\u03c0\u03bf\u03ba\u03b1\u03bb\u03cd\u03c0\u03c4\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b1 \u03bc\u03c5\u03c3\u03c4\u03b9\u03ba\u03ac \u03b5\u03bd\u03cc\u03c2 \u03b9\u03c3\u03c7\u03c5\u03c1\u03bf\u03cd \u03b5\u03c1\u03b5\u03c5\u03bd\u03b7\u03c4\u03b9\u03ba\u03bf\u03cd \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03bf\u03c5<\/a>&#8220;.<\/p>\n\n\n\n<h2 id=\"h-factors-to-consider-when-choosing-a-sample-type\"><strong>\u03a0\u03b1\u03c1\u03ac\u03b3\u03bf\u03bd\u03c4\u03b5\u03c2 \u03c0\u03bf\u03c5 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03bb\u03b7\u03c6\u03b8\u03bf\u03cd\u03bd \u03c5\u03c0\u03cc\u03c8\u03b7 \u03ba\u03b1\u03c4\u03ac \u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae \u03b5\u03bd\u03cc\u03c2 \u03c4\u03cd\u03c0\u03bf\u03c5 \u03b4\u03b5\u03af\u03b3\u03bc\u03b1\u03c4\u03bf\u03c2<\/strong><\/h2>\n\n\n\n<p>\u0397 \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae \u03c4\u03bf\u03c5 \u03c4\u03cd\u03c0\u03bf\u03c5 \u03c4\u03bf\u03c5 \u03b4\u03b5\u03af\u03b3\u03bc\u03b1\u03c4\u03bf\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03cc \u03b2\u03ae\u03bc\u03b1 \u03c3\u03c4\u03b7\u03bd \u03ad\u03c1\u03b5\u03c5\u03bd\u03b1 \u03ba\u03b1\u03b9 \u03c0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03b5\u03b9 \u03c4\u03b7\u03bd \u03b5\u03be\u03ad\u03c4\u03b1\u03c3\u03b7 \u03b4\u03b9\u03b1\u03c6\u03cc\u03c1\u03c9\u03bd \u03c0\u03b1\u03c1\u03b1\u03b3\u03cc\u03bd\u03c4\u03c9\u03bd \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b4\u03b9\u03b1\u03c3\u03c6\u03b1\u03bb\u03b9\u03c3\u03c4\u03b5\u03af \u03cc\u03c4\u03b9 \u03c4\u03bf \u03b4\u03b5\u03af\u03b3\u03bc\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03bd\u03c4\u03b9\u03c0\u03c1\u03bf\u03c3\u03c9\u03c0\u03b5\u03c5\u03c4\u03b9\u03ba\u03cc \u03c4\u03bf\u03c5 \u03c0\u03bb\u03b7\u03b8\u03c5\u03c3\u03bc\u03bf\u03cd \u03ba\u03b1\u03b9 \u03cc\u03c4\u03b9 \u03c4\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03b3\u03ba\u03c5\u03c1\u03b1 \u03ba\u03b1\u03b9 \u03b1\u03be\u03b9\u03cc\u03c0\u03b9\u03c3\u03c4\u03b1.<\/p>\n\n\n\n<p><strong>\u0395\u03c1\u03b5\u03c5\u03bd\u03b7\u03c4\u03b9\u03ba\u03cc \u03b5\u03c1\u03ce\u03c4\u03b7\u03bc\u03b1: <\/strong>\u0391\u03c5\u03c4\u03cc \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf \u03c3\u03b7\u03bc\u03b5\u03af\u03bf \u03b5\u03ba\u03ba\u03af\u03bd\u03b7\u03c3\u03b7\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae \u03c4\u03bf\u03c5 \u03c4\u03cd\u03c0\u03bf\u03c5 \u03c4\u03bf\u03c5 \u03b4\u03b5\u03af\u03b3\u03bc\u03b1\u03c4\u03bf\u03c2, \u03ba\u03b1\u03b8\u03ce\u03c2 \u03c4\u03bf \u03b4\u03b5\u03af\u03b3\u03bc\u03b1 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b5\u03c0\u03b9\u03bb\u03b5\u03b3\u03b5\u03af \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b1\u03c0\u03b1\u03bd\u03c4\u03ae\u03c3\u03b5\u03b9 \u03c3\u03c4\u03bf \u03b5\u03c1\u03b5\u03c5\u03bd\u03b7\u03c4\u03b9\u03ba\u03cc \u03b5\u03c1\u03ce\u03c4\u03b7\u03bc\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03bf\u03c5\u03c2 \u03c3\u03c4\u03cc\u03c7\u03bf\u03c5\u03c2. \u039f\u03b9 \u03b5\u03c1\u03b5\u03c5\u03bd\u03b7\u03c4\u03ad\u03c2 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03ba\u03b1\u03b8\u03bf\u03c1\u03af\u03c3\u03bf\u03c5\u03bd \u03c4\u03bf\u03bd \u03c0\u03bb\u03b7\u03b8\u03c5\u03c3\u03bc\u03cc \u03c0\u03bf\u03c5 \u03b8\u03ad\u03bb\u03bf\u03c5\u03bd \u03bd\u03b1 \u03bc\u03b5\u03bb\u03b5\u03c4\u03ae\u03c3\u03bf\u03c5\u03bd \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03b5\u03c0\u03b9\u03bb\u03ad\u03be\u03bf\u03c5\u03bd \u03ad\u03bd\u03b1 \u03b4\u03b5\u03af\u03b3\u03bc\u03b1 \u03c0\u03bf\u03c5 \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03bd\u03c4\u03b9\u03c0\u03c1\u03bf\u03c3\u03c9\u03c0\u03b5\u03c5\u03c4\u03b9\u03ba\u03cc \u03b1\u03c5\u03c4\u03bf\u03cd \u03c4\u03bf\u03c5 \u03c0\u03bb\u03b7\u03b8\u03c5\u03c3\u03bc\u03bf\u03cd.<\/p>\n\n\n\n<p><strong>\u03a0\u03bb\u03b7\u03b8\u03c5\u03c3\u03bc\u03cc\u03c2:<\/strong> \u03a4\u03bf \u03bc\u03ad\u03b3\u03b5\u03b8\u03bf\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b1 \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ac \u03c4\u03bf\u03c5 \u03c0\u03bb\u03b7\u03b8\u03c5\u03c3\u03bc\u03bf\u03cd \u03b5\u03af\u03bd\u03b1\u03b9 \u03b5\u03c0\u03af\u03c3\u03b7\u03c2 \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03bf\u03af \u03c0\u03b1\u03c1\u03ac\u03b3\u03bf\u03bd\u03c4\u03b5\u03c2 \u03c0\u03bf\u03c5 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03bb\u03b7\u03c6\u03b8\u03bf\u03cd\u03bd \u03c5\u03c0\u03cc\u03c8\u03b7. \u0388\u03bd\u03b1\u03c2 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03bf\u03c2 \u03c0\u03bb\u03b7\u03b8\u03c5\u03c3\u03bc\u03cc\u03c2 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b1\u03c0\u03b1\u03b9\u03c4\u03b5\u03af \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03bf \u03bc\u03ad\u03b3\u03b5\u03b8\u03bf\u03c2 \u03b4\u03b5\u03af\u03b3\u03bc\u03b1\u03c4\u03bf\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b1 \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ac \u03c4\u03bf\u03c5 \u03c0\u03bb\u03b7\u03b8\u03c5\u03c3\u03bc\u03bf\u03cd \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b5\u03c0\u03b7\u03c1\u03b5\u03ac\u03c3\u03bf\u03c5\u03bd \u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae \u03c4\u03bf\u03c5 \u03c4\u03cd\u03c0\u03bf\u03c5 \u03b4\u03b5\u03af\u03b3\u03bc\u03b1\u03c4\u03bf\u03c2.<\/p>\n\n\n\n<p><strong>\u039c\u03ad\u03b3\u03b5\u03b8\u03bf\u03c2 \u03b4\u03b5\u03af\u03b3\u03bc\u03b1\u03c4\u03bf\u03c2:<\/strong> \u03a4\u03bf \u03bc\u03ad\u03b3\u03b5\u03b8\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03b4\u03b5\u03af\u03b3\u03bc\u03b1\u03c4\u03bf\u03c2 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c1\u03ba\u03b5\u03c4\u03ac \u03bc\u03b5\u03b3\u03ac\u03bb\u03bf \u03ce\u03c3\u03c4\u03b5 \u03bd\u03b1 \u03b4\u03b9\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03cc\u03c4\u03b9 \u03c4\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03be\u03b9\u03cc\u03c0\u03b9\u03c3\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03ad\u03b3\u03ba\u03c5\u03c1\u03b1. \u0388\u03bd\u03b1 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03bf \u03bc\u03ad\u03b3\u03b5\u03b8\u03bf\u03c2 \u03b4\u03b5\u03af\u03b3\u03bc\u03b1\u03c4\u03bf\u03c2 \u03bc\u03b5\u03b9\u03ce\u03bd\u03b5\u03b9 \u03c4\u03bf \u03c0\u03b5\u03c1\u03b9\u03b8\u03ce\u03c1\u03b9\u03bf \u03c3\u03c6\u03ac\u03bb\u03bc\u03b1\u03c4\u03bf\u03c2 \u03ba\u03b1\u03b9 \u03b1\u03c5\u03be\u03ac\u03bd\u03b5\u03b9 \u03c4\u03b7\u03bd \u03b1\u03ba\u03c1\u03af\u03b2\u03b5\u03b9\u03b1 \u03c4\u03c9\u03bd \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03ac\u03c4\u03c9\u03bd.&nbsp;<\/p>\n\n\n\n<p><strong>\u03a3\u03c6\u03ac\u03bb\u03bc\u03b1 \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1\u03c2:<\/strong> \u039f\u03b9 \u03b5\u03c1\u03b5\u03c5\u03bd\u03b7\u03c4\u03ad\u03c2 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03b5\u03c0\u03af\u03c3\u03b7\u03c2 \u03bd\u03b1 \u03b5\u03be\u03b5\u03c4\u03ac\u03c3\u03bf\u03c5\u03bd \u03c4\u03bf \u03b5\u03bd\u03b4\u03b5\u03c7\u03cc\u03bc\u03b5\u03bd\u03bf \u03c3\u03c6\u03ac\u03bb\u03bc\u03b1\u03c4\u03bf\u03c2 \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03b5\u03c0\u03b9\u03bb\u03ad\u03be\u03bf\u03c5\u03bd \u03ad\u03bd\u03b1\u03bd \u03c4\u03cd\u03c0\u03bf \u03b4\u03b5\u03af\u03b3\u03bc\u03b1\u03c4\u03bf\u03c2 \u03c0\u03bf\u03c5 \u03b5\u03bb\u03b1\u03c7\u03b9\u03c3\u03c4\u03bf\u03c0\u03bf\u03b9\u03b5\u03af \u03c4\u03bf \u03c3\u03c6\u03ac\u03bb\u03bc\u03b1 \u03b1\u03c5\u03c4\u03cc. \u03a4\u03bf \u03c3\u03c6\u03ac\u03bb\u03bc\u03b1 \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1\u03c2 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c3\u03c5\u03bc\u03b2\u03b5\u03af \u03cc\u03c4\u03b1\u03bd \u03c4\u03bf \u03b4\u03b5\u03af\u03b3\u03bc\u03b1 \u03b4\u03b5\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03bd\u03c4\u03b9\u03c0\u03c1\u03bf\u03c3\u03c9\u03c0\u03b5\u03c5\u03c4\u03b9\u03ba\u03cc \u03c4\u03bf\u03c5 \u03c0\u03bb\u03b7\u03b8\u03c5\u03c3\u03bc\u03bf\u03cd, \u03bf\u03b4\u03b7\u03b3\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c3\u03b5 \u03b1\u03bd\u03b1\u03ba\u03c1\u03b9\u03b2\u03ae \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1.<\/p>\n\n\n\n<p><strong>\u039c\u03ad\u03b8\u03bf\u03b4\u03bf\u03c2 \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1\u03c2:<\/strong><em> <\/em>\u0397 \u03bc\u03ad\u03b8\u03bf\u03b4\u03bf\u03c2 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\u03b4\u03b5\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03bd\u03c4\u03b9\u03c0\u03c1\u03bf\u03c3\u03c9\u03c0\u03b5\u03c5\u03c4\u03b9\u03ba\u03cc \u03c4\u03bf\u03c5 \u03c5\u03c0\u03cc \u03bc\u03b5\u03bb\u03ad\u03c4\u03b7 \u03c0\u03bb\u03b7\u03b8\u03c5\u03c3\u03bc\u03bf\u03cd.<\/p>\n\n\n\n<p><strong>\u03a3\u03c6\u03ac\u03bb\u03bc\u03b1 \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1\u03c2:<\/strong> \u0397 \u03bb\u03ae\u03c8\u03b7 \u03b5\u03bd\u03cc\u03c2 \u03b4\u03b5\u03af\u03b3\u03bc\u03b1\u03c4\u03bf\u03c2 \u03ad\u03c7\u03b5\u03b9 \u03c6\u03c5\u03c3\u03b9\u03ba\u03ac \u03c9\u03c2 \u03b1\u03c0\u03bf\u03c4\u03ad\u03bb\u03b5\u03c3\u03bc\u03b1 \u03c4\u03b7 \u03b4\u03b9\u03b1\u03ba\u03cd\u03bc\u03b1\u03bd\u03c3\u03b7, \u03b7 \u03bf\u03c0\u03bf\u03af\u03b1 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c0\u03c1\u03bf\u03ba\u03b1\u03bb\u03ad\u03c3\u03b5\u03b9 \u03b1\u03bd\u03b1\u03ba\u03c1\u03b9\u03b2\u03ae \u03b5\u03ba\u03c4\u03af\u03bc\u03b7\u03c3\u03b7 \u03c4\u03c9\u03bd \u03c0\u03b1\u03c1\u03b1\u03bc\u03ad\u03c4\u03c1\u03c9\u03bd \u03c4\u03bf\u03c5 \u03c0\u03bb\u03b7\u03b8\u03c5\u03c3\u03bc\u03bf\u03cd.<\/p>\n\n\n\n<p><strong>\u039c\u03b5\u03c1\u03bf\u03bb\u03b7\u03c8\u03af\u03b1 \u03bc\u03b7 \u03b1\u03bd\u03c4\u03b1\u03c0\u03cc\u03ba\u03c1\u03b9\u03c3\u03b7\u03c2:<\/strong> \u0391\u03c5\u03c4\u03cc \u03c3\u03c5\u03bc\u03b2\u03b1\u03af\u03bd\u03b5\u03b9 \u03cc\u03c4\u03b1\u03bd \u03bf\u03c1\u03b9\u03c3\u03bc\u03ad\u03bd\u03b1 \u03bc\u03ad\u03bb\u03b7 \u03c4\u03bf\u03c5 \u03b4\u03b5\u03af\u03b3\u03bc\u03b1\u03c4\u03bf\u03c2 \u03b4\u03b5\u03bd \u03b1\u03bd\u03c4\u03b1\u03c0\u03bf\u03ba\u03c1\u03af\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7\u03bd \u03ad\u03c1\u03b5\u03c5\u03bd\u03b1 \u03ae \u03c4\u03b7 \u03bc\u03b5\u03bb\u03ad\u03c4\u03b7, \u03b3\u03b5\u03b3\u03bf\u03bd\u03cc\u03c2 \u03c0\u03bf\u03c5 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b5\u03b9\u03c3\u03ac\u03b3\u03b5\u03b9 \u03bc\u03b5\u03c1\u03bf\u03bb\u03b7\u03c8\u03af\u03b1 \u03c3\u03c4\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1.<\/p>\n\n\n\n<p><strong>\u039c\u03b5\u03c1\u03bf\u03bb\u03b7\u03c8\u03af\u03b1 \u03c4\u03bf\u03c5 \u03c0\u03bb\u03b1\u03b9\u03c3\u03af\u03bf\u03c5 \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1\u03c2:<\/strong> \u0391\u03c5\u03c4\u03cc \u03c0\u03c1\u03bf\u03ba\u03cd\u03c0\u03c4\u03b5\u03b9 \u03b1\u03c0\u03cc \u03ad\u03bd\u03b1 \u03b5\u03bb\u03bb\u03b9\u03c0\u03ad\u03c2, \u03b1\u03bd\u03b1\u03ba\u03c1\u03b9\u03b2\u03ad\u03c2 \u03ae \u03be\u03b5\u03c0\u03b5\u03c1\u03b1\u03c3\u03bc\u03ad\u03bd\u03bf \u03c0\u03bb\u03b1\u03af\u03c3\u03b9\u03bf \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1\u03c2, \u03c0\u03bf\u03c5 \u03bf\u03b4\u03b7\u03b3\u03b5\u03af \u03c3\u03b5 \u03bc\u03b5\u03c1\u03bf\u03bb\u03b7\u03c8\u03af\u03b1. \u0394\u03b9\u03b1\u03b2\u03ac\u03c3\u03c4\u03b5 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03b1 \u03b3\u03b9\u03b1 \u03b1\u03c5\u03c4\u03cc \u03c3\u03c4\u03bf \u03b9\u03c3\u03c4\u03bf\u03bb\u03cc\u03b3\u03b9\u03cc \u03bc\u03b1\u03c2 \"<a href=\"https:\/\/mindthegraph.com\/blog\/sampling-bias\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u0388\u03bd\u03b1 \u03c0\u03c1\u03cc\u03b2\u03bb\u03b7\u03bc\u03b1 \u03c0\u03bf\u03c5 \u03bf\u03bd\u03bf\u03bc\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 \u03bc\u03b5\u03c1\u03bf\u03bb\u03b7\u03c8\u03af\u03b1 \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1\u03c2<\/a>&#8220;.<\/p>\n\n\n\n<p><strong>\u03a0\u03c1\u03bf\u03ba\u03b1\u03c4\u03ac\u03bb\u03b7\u03c8\u03b7 \u03c4\u03b7\u03c2 \u03b5\u03b8\u03b5\u03bb\u03bf\u03bd\u03c4\u03b9\u03ba\u03ae\u03c2 \u03b1\u03c0\u03ac\u03bd\u03c4\u03b7\u03c3\u03b7\u03c2:<\/strong><em> <\/em>\u039f\u03b9 \u03c3\u03c5\u03bc\u03bc\u03b5\u03c4\u03ad\u03c7\u03bf\u03bd\u03c4\u03b5\u03c2 \u03b5\u03c0\u03b9\u03bb\u03ad\u03b3\u03bf\u03c5\u03bd \u03bc\u03cc\u03bd\u03bf\u03b9 \u03c4\u03bf\u03c5\u03c2 \u03c4\u03b7 \u03c3\u03c5\u03bc\u03bc\u03b5\u03c4\u03bf\u03c7\u03ae \u03c4\u03bf\u03c5\u03c2 \u03c3\u03c4\u03b7 \u03bc\u03b5\u03bb\u03ad\u03c4\u03b7, \u03b3\u03b5\u03b3\u03bf\u03bd\u03cc\u03c2 \u03c0\u03bf\u03c5 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03bf\u03b4\u03b7\u03b3\u03ae\u03c3\u03b5\u03b9 \u03c3\u03b5 \u03bc\u03b5\u03c1\u03bf\u03bb\u03b7\u03c0\u03c4\u03b9\u03ba\u03ac \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1, \u03b5\u03c0\u03b5\u03b9\u03b4\u03ae \u03b5\u03ba\u03b5\u03af\u03bd\u03bf\u03b9 \u03c0\u03bf\u03c5 \u03b5\u03c0\u03b9\u03bb\u03ad\u03b3\u03bf\u03c5\u03bd \u03bd\u03b1 \u03c3\u03c5\u03bc\u03bc\u03b5\u03c4\u03ac\u03c3\u03c7\u03bf\u03c5\u03bd \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b4\u03b9\u03b1\u03c6\u03ad\u03c1\u03bf\u03c5\u03bd \u03b1\u03c0\u03cc \u03b5\u03ba\u03b5\u03af\u03bd\u03bf\u03c5\u03c2 \u03c0\u03bf\u03c5 \u03b4\u03b5\u03bd \u03c3\u03c5\u03bc\u03bc\u03b5\u03c4\u03ad\u03c7\u03bf\u03c5\u03bd.<\/p>\n\n\n\n<p><strong>\u039c\u03b5\u03c1\u03bf\u03bb\u03b7\u03c8\u03af\u03b1 \u03c5\u03c0\u03bf\u03ba\u03ac\u03bb\u03c5\u03c8\u03b7\u03c2: <\/strong>\u03a4\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b3\u03af\u03bd\u03bf\u03c5\u03bd \u03bc\u03b5\u03c1\u03bf\u03bb\u03b7\u03c0\u03c4\u03b9\u03ba\u03ac \u03cc\u03c4\u03b1\u03bd \u03bf\u03c1\u03b9\u03c3\u03bc\u03ad\u03bd\u03b5\u03c2 \u03bf\u03bc\u03ac\u03b4\u03b5\u03c2 \u03c4\u03bf\u03c5 \u03c0\u03bb\u03b7\u03b8\u03c5\u03c3\u03bc\u03bf\u03cd \u03b4\u03b5\u03bd \u03b5\u03ba\u03c0\u03c1\u03bf\u03c3\u03c9\u03c0\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03bf \u03c0\u03bb\u03b1\u03af\u03c3\u03b9\u03bf \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1\u03c2, \u03ba\u03ac\u03c4\u03b9 \u03c0\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b3\u03bd\u03c9\u03c3\u03c4\u03cc \u03c9\u03c2 \u03bc\u03b5\u03c1\u03bf\u03bb\u03b7\u03c8\u03af\u03b1 \u03c5\u03c0\u03bf\u03ba\u03ac\u03bb\u03c5\u03c8\u03b7\u03c2.<\/p>\n\n\n\n<p><strong>\u03a5\u03c0\u03b5\u03c1\u03b3\u03b5\u03bd\u03af\u03ba\u03b5\u03c5\u03c3\u03b7:<\/strong><em> <\/em>\u039f\u03b9 \u03b5\u03c5\u03c1\u03b5\u03af\u03b5\u03c2 \u03b3\u03b5\u03bd\u03b9\u03ba\u03b5\u03cd\u03c3\u03b5\u03b9\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03c3\u03c5\u03bd\u03b7\u03b8\u03b9\u03c3\u03bc\u03ad\u03bd\u03bf \u03bb\u03ac\u03b8\u03bf\u03c2 \u03c3\u03c4\u03b7\u03bd \u03ad\u03c1\u03b5\u03c5\u03bd\u03b1, \u03cc\u03c0\u03bf\u03c5 \u03b5\u03be\u03ac\u03b3\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03b1\u03c1\u03c9\u03c4\u03b9\u03ba\u03ac \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03ac\u03c3\u03bc\u03b1\u03c4\u03b1 \u03b3\u03b9\u03b1 \u03ad\u03bd\u03b1\u03bd \u03c0\u03bb\u03b7\u03b8\u03c5\u03c3\u03bc\u03cc \u03bc\u03b5 \u03b2\u03ac\u03c3\u03b7 \u03ad\u03bd\u03b1 \u03bc\u03b9\u03ba\u03c1\u03cc \u03bc\u03ad\u03b3\u03b5\u03b8\u03bf\u03c2 \u03b4\u03b5\u03af\u03b3\u03bc\u03b1\u03c4\u03bf\u03c2, \u03bc\u03b5 \u03b1\u03c0\u03bf\u03c4\u03ad\u03bb\u03b5\u03c3\u03bc\u03b1 \u03b1\u03bd\u03b1\u03ba\u03c1\u03b9\u03b2\u03ae \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1.<\/p>\n\n\n\n<h2 id=\"h-sampling-techniques-in-qualitative-research\"><strong>\u03a4\u03b5\u03c7\u03bd\u03b9\u03ba\u03ad\u03c2 \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1\u03c2 \u03c3\u03c4\u03b7\u03bd \u03c0\u03bf\u03b9\u03bf\u03c4\u03b9\u03ba\u03ae \u03ad\u03c1\u03b5\u03c5\u03bd\u03b1<\/strong><\/h2>\n\n\n\n<p>\u03a3\u03c4\u03b7\u03bd \u03c0\u03bf\u03b9\u03bf\u03c4\u03b9\u03ba\u03ae \u03ad\u03c1\u03b5\u03c5\u03bd\u03b1, \u03bf\u03c1\u03b9\u03c3\u03bc\u03ad\u03bd\u03b5\u03c2 \u03ba\u03bf\u03b9\u03bd\u03ad\u03c2 \u03c4\u03b5\u03c7\u03bd\u03b9\u03ba\u03ad\u03c2 \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1\u03c2 \u03c0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03bf\u03c5\u03bd:<\/p>\n\n\n\n<p><strong>\u03a3\u03c4\u03bf\u03c7\u03b5\u03c5\u03bc\u03ad\u03bd\u03b7 \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1:<\/strong> \u03a0\u03c1\u03cc\u03ba\u03b5\u03b9\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae \u03c4\u03c9\u03bd \u03c3\u03c5\u03bc\u03bc\u03b5\u03c4\u03b5\u03c7\u03cc\u03bd\u03c4\u03c9\u03bd \u03b2\u03ac\u03c3\u03b5\u03b9 \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03c9\u03bd \u03ba\u03c1\u03b9\u03c4\u03b7\u03c1\u03af\u03c9\u03bd \u03c0\u03bf\u03c5 \u03c3\u03c7\u03b5\u03c4\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03c4\u03bf \u03b5\u03c1\u03b5\u03c5\u03bd\u03b7\u03c4\u03b9\u03ba\u03cc \u03b5\u03c1\u03ce\u03c4\u03b7\u03bc\u03b1 \u03ae \u03c4\u03bf\u03bd \u03c3\u03c4\u03cc\u03c7\u03bf. \u0391\u03c5\u03c4\u03cc \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03b5\u03b9 \u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae \u03b1\u03c4\u03cc\u03bc\u03c9\u03bd \u03c0\u03bf\u03c5 \u03b4\u03b9\u03b1\u03b8\u03ad\u03c4\u03bf\u03c5\u03bd \u03b9\u03b4\u03b9\u03b1\u03af\u03c4\u03b5\u03c1\u03b7 \u03c4\u03b5\u03c7\u03bd\u03bf\u03b3\u03bd\u03c9\u03c3\u03af\u03b1, \u03b5\u03bc\u03c0\u03b5\u03b9\u03c1\u03af\u03b1 \u03ae \u03bc\u03bf\u03bd\u03b1\u03b4\u03b9\u03ba\u03ad\u03c2 \u03c0\u03c1\u03bf\u03bf\u03c0\u03c4\u03b9\u03ba\u03ad\u03c2.<\/p>\n\n\n\n<p><strong>\u0394\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1 \u03c7\u03b9\u03bf\u03bd\u03bf\u03c3\u03c4\u03b9\u03b2\u03ac\u03b4\u03b1\u03c2: <\/strong>\u039e\u03b5\u03ba\u03b9\u03bd\u03ac \u03bc\u03b5 \u03bc\u03b9\u03b1 \u03bc\u03b9\u03ba\u03c1\u03ae \u03bf\u03bc\u03ac\u03b4\u03b1 \u03c3\u03c5\u03bc\u03bc\u03b5\u03c4\u03b5\u03c7\u03cc\u03bd\u03c4\u03c9\u03bd \u03ba\u03b1\u03b9 \u03c3\u03c4\u03b7 \u03c3\u03c5\u03bd\u03ad\u03c7\u03b5\u03b9\u03b1 \u03c4\u03bf\u03c5\u03c2 \u03b6\u03b7\u03c4\u03ac \u03bd\u03b1 \u03c0\u03b1\u03c1\u03b1\u03c0\u03ad\u03bc\u03c8\u03bf\u03c5\u03bd \u03ac\u03bb\u03bb\u03bf\u03c5\u03c2 \u03c0\u03b9\u03b8\u03b1\u03bd\u03bf\u03cd\u03c2 \u03c3\u03c5\u03bc\u03bc\u03b5\u03c4\u03ad\u03c7\u03bf\u03bd\u03c4\u03b5\u03c2 \u03c0\u03bf\u03c5 \u03c0\u03bb\u03b7\u03c1\u03bf\u03cd\u03bd \u03c4\u03b1 \u03ba\u03c1\u03b9\u03c4\u03ae\u03c1\u03b9\u03b1 \u03c4\u03b7\u03c2 \u03ad\u03c1\u03b5\u03c5\u03bd\u03b1\u03c2. \u0391\u03c5\u03c4\u03ae \u03b7 \u03c4\u03b5\u03c7\u03bd\u03b9\u03ba\u03ae \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c7\u03c1\u03ae\u03c3\u03b9\u03bc\u03b7 \u03cc\u03c4\u03b1\u03bd \u03bf \u03c0\u03bb\u03b7\u03b8\u03c5\u03c3\u03bc\u03cc\u03c2 \u03b5\u03bd\u03b4\u03b9\u03b1\u03c6\u03ad\u03c1\u03bf\u03bd\u03c4\u03bf\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b4\u03cd\u03c3\u03ba\u03bf\u03bb\u03bf \u03bd\u03b1 \u03c0\u03c1\u03bf\u03c3\u03b5\u03b3\u03b3\u03b9\u03c3\u03c4\u03b5\u03af \u03ae \u03ad\u03c7\u03b5\u03b9 \u03c7\u03b1\u03bc\u03b7\u03bb\u03cc \u03c0\u03bf\u03c3\u03bf\u03c3\u03c4\u03cc \u03b1\u03bd\u03c4\u03b1\u03c0\u03cc\u03ba\u03c1\u03b9\u03c3\u03b7\u03c2. \u0395\u03bb\u03ad\u03b3\u03be\u03c4\u03b5 \u03c4\u03bf \u03c0\u03b5\u03c1\u03b9\u03b5\u03c7\u03cc\u03bc\u03b5\u03bd\u03bf \u03c4\u03bf\u03c5 \u03b9\u03c3\u03c4\u03bf\u03bb\u03bf\u03b3\u03af\u03bf\u03c5 \u03bc\u03b1\u03c2 \u03c3\u03c7\u03b5\u03c4\u03b9\u03ba\u03ac \u03bc\u03b5 \u03c4\u03b7\u03bd \"<a href=\"https:\/\/mindthegraph.com\/blog\/snowball-sampling\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u0394\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1 \u03c7\u03b9\u03bf\u03bd\u03bf\u03c3\u03c4\u03b9\u03b2\u03ac\u03b4\u03b1\u03c2: \u0391\u03c0\u03bf\u03ba\u03b1\u03bb\u03cd\u03c0\u03c4\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b1 \u03bc\u03c5\u03c3\u03c4\u03b9\u03ba\u03ac \u03b5\u03bd\u03cc\u03c2 \u03b9\u03c3\u03c7\u03c5\u03c1\u03bf\u03cd \u03b5\u03c1\u03b5\u03c5\u03bd\u03b7\u03c4\u03b9\u03ba\u03bf\u03cd \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03bf\u03c5<\/a>&#8220;.<\/p>\n\n\n\n<p><strong>\u0394\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1 \u03bc\u03ad\u03b3\u03b9\u03c3\u03c4\u03b7\u03c2 \u03b4\u03b9\u03b1\u03ba\u03cd\u03bc\u03b1\u03bd\u03c3\u03b7\u03c2:<\/strong> \u038c\u03c4\u03b1\u03bd \u03b5\u03c0\u03b9\u03b4\u03b9\u03ce\u03ba\u03b5\u03c4\u03b1\u03b9 \u03b7 \u03b4\u03b9\u03b5\u03c1\u03b5\u03cd\u03bd\u03b7\u03c3\u03b7 \u03b5\u03bd\u03cc\u03c2 \u03c6\u03b1\u03b9\u03bd\u03bf\u03bc\u03ad\u03bd\u03bf\u03c5 \u03c3\u03b5 \u03b2\u03ac\u03b8\u03bf\u03c2 \u03ba\u03b1\u03b9 \u03b7 \u03b1\u03c0\u03bf\u03c4\u03cd\u03c0\u03c9\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03c0\u03bf\u03bb\u03c5\u03c0\u03bb\u03bf\u03ba\u03cc\u03c4\u03b7\u03c4\u03ac\u03c2 \u03c4\u03bf\u03c5, \u03b5\u03af\u03bd\u03b1\u03b9 \u03c9\u03c6\u03ad\u03bb\u03b9\u03bc\u03bf \u03bd\u03b1 \u03b5\u03c0\u03b9\u03bb\u03ad\u03b3\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c5\u03bc\u03bc\u03b5\u03c4\u03ad\u03c7\u03bf\u03bd\u03c4\u03b5\u03c2 \u03c0\u03bf\u03c5 \u03ba\u03b1\u03bb\u03cd\u03c0\u03c4\u03bf\u03c5\u03bd \u03ad\u03bd\u03b1 \u03b5\u03c5\u03c1\u03cd \u03c6\u03ac\u03c3\u03bc\u03b1 \u03c0\u03c1\u03bf\u03bf\u03c0\u03c4\u03b9\u03ba\u03ce\u03bd \u03ae \u03b5\u03bc\u03c0\u03b5\u03b9\u03c1\u03b9\u03ce\u03bd \u03c3\u03c7\u03b5\u03c4\u03b9\u03ba\u03ce\u03bd \u03bc\u03b5 \u03c4\u03bf \u03b5\u03c1\u03b5\u03c5\u03bd\u03b7\u03c4\u03b9\u03ba\u03cc \u03b5\u03c1\u03ce\u03c4\u03b7\u03bc\u03b1. \u0397 \u03c0\u03c1\u03bf\u03c3\u03ad\u03b3\u03b3\u03b9\u03c3\u03b7 \u03b1\u03c5\u03c4\u03ae \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03c3\u03c4\u03bf\u03bd \u03b5\u03c1\u03b5\u03c5\u03bd\u03b7\u03c4\u03ae \u03bd\u03b1 \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03bb\u03ac\u03b2\u03b5\u03b9 \u03ad\u03bd\u03b1 \u03b5\u03c5\u03c1\u03cd\u03c4\u03b5\u03c1\u03bf \u03c6\u03ac\u03c3\u03bc\u03b1 \u03b3\u03bd\u03ce\u03c3\u03b5\u03c9\u03bd \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03b5\u03bd\u03b9\u03c3\u03c7\u03cd\u03c3\u03b5\u03b9 \u03c4\u03b7\u03bd \u03c0\u03bb\u03b7\u03c1\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03b7\u03c2 \u03bc\u03b5\u03bb\u03ad\u03c4\u03b7\u03c2.<\/p>\n\n\n\n<p><strong>\u0398\u03b5\u03c9\u03c1\u03b7\u03c4\u03b9\u03ba\u03ae \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1: <\/strong>\u0391\u03c5\u03c4\u03ae \u03b7 \u03c4\u03b5\u03c7\u03bd\u03b9\u03ba\u03ae \u03b1\u03c0\u03b1\u03b9\u03c4\u03b5\u03af \u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae \u03c4\u03c9\u03bd \u03c3\u03c5\u03bc\u03bc\u03b5\u03c4\u03b5\u03c7\u03cc\u03bd\u03c4\u03c9\u03bd \u03bc\u03b5 \u03b2\u03ac\u03c3\u03b7 \u03c4\u03b1 \u03b1\u03bd\u03b1\u03b4\u03c5\u03cc\u03bc\u03b5\u03bd\u03b1 \u03b8\u03ad\u03bc\u03b1\u03c4\u03b1 \u03ae \u03bc\u03bf\u03c4\u03af\u03b2\u03b1 \u03c0\u03bf\u03c5 \u03c0\u03c1\u03bf\u03ba\u03cd\u03c0\u03c4\u03bf\u03c5\u03bd \u03ba\u03b1\u03c4\u03ac \u03c4\u03b7 \u03c3\u03c5\u03bb\u03bb\u03bf\u03b3\u03ae \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd. \u03a7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b5\u03af\u03c4\u03b1\u03b9 \u03c3\u03c5\u03bd\u03ae\u03b8\u03c9\u03c2 \u03c3\u03c4\u03b7\u03bd \u03ad\u03c1\u03b5\u03c5\u03bd\u03b1 \u03b8\u03b5\u03bc\u03b5\u03bb\u03b9\u03c9\u03bc\u03ad\u03bd\u03b7\u03c2 \u03b8\u03b5\u03c9\u03c1\u03af\u03b1\u03c2, \u03cc\u03c0\u03bf\u03c5 \u03bf \u03c3\u03c4\u03cc\u03c7\u03bf\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03b1\u03bd\u03ac\u03c0\u03c4\u03c5\u03be\u03b7 \u03bc\u03b9\u03b1\u03c2 \u03b8\u03b5\u03c9\u03c1\u03af\u03b1\u03c2 \u03c0\u03bf\u03c5 \u03ad\u03c7\u03b5\u03b9 \u03c4\u03b9\u03c2 \u03c1\u03af\u03b6\u03b5\u03c2 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\u03b1\u03bd\u03c4\u03b9\u03c0\u03c1\u03bf\u03c3\u03c9\u03c0\u03b5\u03c5\u03c4\u03b9\u03ba\u03bf\u03af \u03c4\u03bf\u03c5 \u03c0\u03bb\u03b7\u03b8\u03c5\u03c3\u03bc\u03bf\u03cd \u03c0\u03bf\u03c5 \u03b5\u03bd\u03b4\u03b9\u03b1\u03c6\u03ad\u03c1\u03b5\u03b9.<\/p>\n\n\n\n<h2 id=\"h-sampling-techniques-in-quantitative-research\"><strong>\u03a4\u03b5\u03c7\u03bd\u03b9\u03ba\u03ad\u03c2 \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1\u03c2 \u03c3\u03c4\u03b7\u03bd \u03c0\u03bf\u03c3\u03bf\u03c4\u03b9\u03ba\u03ae \u03ad\u03c1\u03b5\u03c5\u03bd\u03b1<\/strong><\/h2>\n\n\n\n<p>\u0391\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03bf\u03cd\u03bd \u03bf\u03c1\u03b9\u03c3\u03bc\u03ad\u03bd\u03b5\u03c2 \u03ba\u03bf\u03b9\u03bd\u03ad\u03c2 \u03c4\u03b5\u03c7\u03bd\u03b9\u03ba\u03ad\u03c2 \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1\u03c2 \u03c0\u03bf\u03c5 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7\u03bd \u03c0\u03bf\u03c3\u03bf\u03c4\u03b9\u03ba\u03ae \u03ad\u03c1\u03b5\u03c5\u03bd\u03b1:<\/p>\n\n\n\n<p><strong>\u0391\u03c0\u03bb\u03ae \u03c4\u03c5\u03c7\u03b1\u03af\u03b1 \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1: <\/strong>\u03a0\u03c1\u03cc\u03ba\u03b5\u03b9\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03bc\u03b9\u03b1 \u03b2\u03b1\u03c3\u03b9\u03ba\u03ae \u03c4\u03b5\u03c7\u03bd\u03b9\u03ba\u03ae \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1\u03c2 \u03cc\u03c0\u03bf\u03c5 \u03ba\u03ac\u03b8\u03b5 \u03bc\u03ad\u03bb\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03c0\u03bb\u03b7\u03b8\u03c5\u03c3\u03bc\u03bf\u03cd \u03ad\u03c7\u03b5\u03b9 \u03af\u03c3\u03b5\u03c2 \u03c0\u03b9\u03b8\u03b1\u03bd\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2 \u03bd\u03b1 \u03b5\u03c0\u03b9\u03bb\u03b5\u03b3\u03b5\u03af \u03b3\u03b9\u03b1 \u03c4\u03bf \u03b4\u03b5\u03af\u03b3\u03bc\u03b1.<\/p>\n\n\n\n<p><strong>\u03a3\u03c4\u03c1\u03c9\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03b9\u03b7\u03bc\u03ad\u03bd\u03b7 \u03c4\u03c5\u03c7\u03b1\u03af\u03b1 \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1:<\/strong> \u0393\u03b9\u03b1 \u03bd\u03b1 \u03b5\u03be\u03b1\u03c3\u03c6\u03b1\u03bb\u03b9\u03c3\u03c4\u03b5\u03af \u03b7 \u03b1\u03bd\u03c4\u03b9\u03c0\u03c1\u03bf\u03c3\u03c9\u03c0\u03b5\u03c5\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1, \u03b7 \u03c4\u03b5\u03c7\u03bd\u03b9\u03ba\u03ae \u03c4\u03b7\u03c2 \u03c3\u03c4\u03c1\u03c9\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03b9\u03b7\u03bc\u03ad\u03bd\u03b7\u03c2 \u03c4\u03c5\u03c7\u03b1\u03af\u03b1\u03c2 \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1\u03c2 \u03c0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03b5\u03b9 \u03c4\u03b7 \u03b4\u03b9\u03b1\u03af\u03c1\u03b5\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03c0\u03bb\u03b7\u03b8\u03c5\u03c3\u03bc\u03bf\u03cd \u03c3\u03b5 \u03c3\u03c4\u03c1\u03ce\u03bc\u03b1\u03c4\u03b1 \u03ae \u03bf\u03bc\u03ac\u03b4\u03b5\u03c2 \u03bc\u03b5 \u03b2\u03ac\u03c3\u03b7 \u03bf\u03c1\u03b9\u03c3\u03bc\u03ad\u03bd\u03b1 \u03ba\u03c1\u03b9\u03c4\u03ae\u03c1\u03b9\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae \u03b4\u03b5\u03b9\u03b3\u03bc\u03ac\u03c4\u03c9\u03bd \u03b1\u03c0\u03cc \u03ba\u03ac\u03b8\u03b5 \u03c3\u03c4\u03c1\u03ce\u03bc\u03b1.<\/p>\n\n\n\n<p><strong>\u0394\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1 \u03ba\u03b1\u03c4\u03ac \u03c3\u03c5\u03c3\u03c4\u03ac\u03b4\u03b5\u03c2: <\/strong>\u03a0\u03c1\u03cc\u03ba\u03b5\u03b9\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03bc\u03b9\u03b1 \u03c4\u03b5\u03c7\u03bd\u03b9\u03ba\u03ae \u03c0\u03bf\u03c5 \u03c0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03b5\u03b9 \u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae \u03b5\u03bd\u03cc\u03c2 \u03c4\u03c5\u03c7\u03b1\u03af\u03bf\u03c5 \u03b4\u03b5\u03af\u03b3\u03bc\u03b1\u03c4\u03bf\u03c2 \u03bf\u03bc\u03ac\u03b4\u03c9\u03bd \u03ae \u03bf\u03bc\u03ac\u03b4\u03c9\u03bd, \u03cc\u03c0\u03c9\u03c2 \u03c3\u03c7\u03bf\u03bb\u03b5\u03af\u03b1 \u03ae \u03b3\u03b5\u03b9\u03c4\u03bf\u03bd\u03b9\u03ad\u03c2, \u03ba\u03b1\u03b9 \u03c3\u03c4\u03b7 \u03c3\u03c5\u03bd\u03ad\u03c7\u03b5\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae \u03b1\u03c4\u03cc\u03bc\u03c9\u03bd \u03bc\u03ad\u03c3\u03b1 \u03c3\u03b5 \u03ba\u03ac\u03b8\u03b5 \u03b5\u03c0\u03b9\u03bb\u03b5\u03b3\u03bc\u03ad\u03bd\u03b7 \u03bf\u03bc\u03ac\u03b4\u03b1 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03c3\u03c7\u03b7\u03bc\u03b1\u03c4\u03af\u03c3\u03bf\u03c5\u03bd \u03c4\u03bf \u03b4\u03b5\u03af\u03b3\u03bc\u03b1. \u0395\u03bb\u03ad\u03b3\u03be\u03c4\u03b5 \u03c4\u03bf \u03b9\u03c3\u03c4\u03bf\u03bb\u03cc\u03b3\u03b9\u03bf \u03c0\u03b5\u03c1\u03b9\u03b5\u03c7\u03bf\u03bc\u03ad\u03bd\u03bf\u03c5 \u03bc\u03b1\u03c2 \u03c3\u03c7\u03b5\u03c4\u03b9\u03ba\u03ac \u03bc\u03b5 \u03c4\u03bf \"<a href=\"https:\/\/mindthegraph.com\/blog\/cluster-analysis\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u039e\u03b5\u03ba\u03bb\u03b5\u03b9\u03b4\u03ce\u03bd\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b7\u03bd \u03b9\u03c3\u03c7\u03cd \u03c4\u03b7\u03c2 \u03b1\u03bd\u03ac\u03bb\u03c5\u03c3\u03b7\u03c2 \u03c3\u03c5\u03c3\u03c4\u03ac\u03b4\u03c9\u03bd<\/a>&#8220;.<\/p>\n\n\n\n<p><strong>\u03a3\u03c5\u03c3\u03c4\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1: <\/strong>\u0397 \u03c3\u03c5\u03c3\u03c4\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b9\u03b1 \u03c4\u03b5\u03c7\u03bd\u03b9\u03ba\u03ae \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae\u03c2 \u03b1\u03c4\u03cc\u03bc\u03c9\u03bd \u03b1\u03c0\u03cc \u03c4\u03bf\u03bd \u03c0\u03bb\u03b7\u03b8\u03c5\u03c3\u03bc\u03cc \u03b5\u03c0\u03b9\u03bb\u03ad\u03b3\u03bf\u03bd\u03c4\u03b1\u03c2 \u03ba\u03ac\u03b8\u03b5 \u03bd\u03b9\u03bf\u03c3\u03c4\u03cc \u03bc\u03ad\u03bb\u03bf\u03c2, \u03b3\u03b9\u03b1 \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1, \u03ba\u03ac\u03b8\u03b5 10\u03bf \u03ac\u03c4\u03bf\u03bc\u03bf \u03c3\u03b5 \u03ad\u03bd\u03b1\u03bd \u03ba\u03b1\u03c4\u03ac\u03bb\u03bf\u03b3\u03bf.<\/p>\n\n\n\n<p><strong>\u0394\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1 \u03c0\u03bf\u03bb\u03bb\u03b1\u03c0\u03bb\u03ce\u03bd \u03c3\u03c4\u03b1\u03b4\u03af\u03c9\u03bd:<\/strong> \u0391\u03c5\u03c4\u03cc \u03b5\u03c0\u03b9\u03bb\u03ad\u03b3\u03b5\u03b9 \u03b4\u03b5\u03af\u03b3\u03bc\u03b1\u03c4\u03b1 \u03c3\u03b5 \u03bc\u03b9\u03b1 \u03c3\u03b5\u03b9\u03c1\u03ac \u03b1\u03c0\u03cc \u03c3\u03c4\u03ac\u03b4\u03b9\u03b1. \u0393\u03b9\u03b1 \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1, \u03bf\u03b9 \u03b5\u03c1\u03b5\u03c5\u03bd\u03b7\u03c4\u03ad\u03c2 \u03b8\u03b1 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03c3\u03b1\u03bd \u03bd\u03b1 \u03be\u03b5\u03ba\u03b9\u03bd\u03ae\u03c3\u03bf\u03c5\u03bd \u03b5\u03c0\u03b9\u03bb\u03ad\u03b3\u03bf\u03bd\u03c4\u03b1\u03c2 \u03ad\u03bd\u03b1 \u03c4\u03c5\u03c7\u03b1\u03af\u03bf \u03b4\u03b5\u03af\u03b3\u03bc\u03b1 \u03c0\u03bf\u03bb\u03b9\u03c4\u03b5\u03b9\u03ce\u03bd, \u03b1\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03bf\u03cd\u03bc\u03b5\u03bd\u03bf \u03b1\u03c0\u03cc \u03ad\u03bd\u03b1 \u03c4\u03c5\u03c7\u03b1\u03af\u03bf \u03b4\u03b5\u03af\u03b3\u03bc\u03b1 \u03c0\u03cc\u03bb\u03b5\u03c9\u03bd \u03b1\u03c0\u03cc \u03b1\u03c5\u03c4\u03ad\u03c2 \u03c4\u03b9\u03c2 \u03c0\u03bf\u03bb\u03b9\u03c4\u03b5\u03af\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b5\u03bb\u03b9\u03ba\u03ac \u03ad\u03bd\u03b1 \u03c4\u03c5\u03c7\u03b1\u03af\u03bf \u03b4\u03b5\u03af\u03b3\u03bc\u03b1 \u03b1\u03c4\u03cc\u03bc\u03c9\u03bd \u03bc\u03ad\u03c3\u03b1 \u03c3\u03b5 \u03b1\u03c5\u03c4\u03ad\u03c2 \u03c4\u03b9\u03c2 \u03c0\u03cc\u03bb\u03b5\u03b9\u03c2.<\/p>\n\n\n\n<p><strong>\u0394\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1 \u03b5\u03c5\u03ba\u03bf\u03bb\u03af\u03b1\u03c2:<\/strong><em> <\/em>\u03a0\u03c1\u03cc\u03ba\u03b5\u03b9\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03bc\u03b9\u03b1 \u03c4\u03b5\u03c7\u03bd\u03b9\u03ba\u03ae \u03c0\u03bf\u03c5 \u03b1\u03bd\u03b1\u03c6\u03ad\u03c1\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7\u03bd \u03c0\u03c1\u03b1\u03ba\u03c4\u03b9\u03ba\u03ae \u03c4\u03b7\u03c2 \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae\u03c2 \u03c3\u03c5\u03bc\u03bc\u03b5\u03c4\u03b5\u03c7\u03cc\u03bd\u03c4\u03c9\u03bd \u03c3\u03c4\u03b7 \u03bc\u03b5\u03bb\u03ad\u03c4\u03b7 \u03bf\u03b9 \u03bf\u03c0\u03bf\u03af\u03bf\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03ac\u03bc\u03b5\u03c3\u03b1 \u03b4\u03b9\u03b1\u03b8\u03ad\u03c3\u03b9\u03bc\u03bf\u03b9 \u03ae \u03b2\u03bf\u03bb\u03b9\u03ba\u03bf\u03af \u03b3\u03b9\u03b1 \u03c4\u03bf\u03bd \u03b5\u03c1\u03b5\u03c5\u03bd\u03b7\u03c4\u03ae, \u03cc\u03c0\u03c9\u03c2 \u03b7 \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae \u03bc\u03b1\u03b8\u03b7\u03c4\u03ce\u03bd \u03b1\u03c0\u03cc \u03bc\u03b9\u03b1 \u03c4\u03ac\u03be\u03b7.<\/p>\n\n\n\n<p><strong>\u0394\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1 \u03c0\u03bf\u03c3\u03cc\u03c3\u03c4\u03c9\u03c3\u03b7\u03c2:<\/strong><em> <\/em>\u0397 \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1 \u03bc\u03b5 \u03c0\u03bf\u03c3\u03cc\u03c3\u03c4\u03c9\u03c3\u03b7 \u03b1\u03bd\u03b1\u03c6\u03ad\u03c1\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7 \u03bc\u03ad\u03b8\u03bf\u03b4\u03bf \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae\u03c2 \u03b4\u03b5\u03b9\u03b3\u03bc\u03ac\u03c4\u03c9\u03bd \u03bc\u03b5 \u03b2\u03ac\u03c3\u03b7 \u03c0\u03c1\u03bf\u03ba\u03b1\u03b8\u03bf\u03c1\u03b9\u03c3\u03bc\u03ad\u03bd\u03b5\u03c2 \u03c0\u03bf\u03c3\u03bf\u03c3\u03c4\u03ce\u03c3\u03b5\u03b9\u03c2 \u03ae \u03c0\u03c1\u03bf\u03ba\u03b1\u03b8\u03bf\u03c1\u03b9\u03c3\u03bc\u03ad\u03bd\u03bf\u03c5\u03c2 \u03b1\u03c1\u03b9\u03b8\u03bc\u03bf\u03cd\u03c2 \u03b3\u03b9\u03b1 \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03b1 \u03ba\u03c1\u03b9\u03c4\u03ae\u03c1\u03b9\u03b1, \u03cc\u03c0\u03c9\u03c2 \u03b7 \u03b7\u03bb\u03b9\u03ba\u03af\u03b1 \u03ae \u03c4\u03bf \u03c6\u03cd\u03bb\u03bf.<\/p>\n\n\n\n<h2 id=\"h-200-pre-made-beautiful-templates-for-professional-infographics\"><strong>200+ \u03ad\u03c4\u03bf\u03b9\u03bc\u03b1 \u03cc\u03bc\u03bf\u03c1\u03c6\u03b1 \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03b1 \u03b3\u03b9\u03b1 \u03b5\u03c0\u03b1\u03b3\u03b3\u03b5\u03bb\u03bc\u03b1\u03c4\u03b9\u03ba\u03ac infographics<\/strong><\/h2>\n\n\n\n<p><a href=\"https:\/\/mindthegraph.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">Mind the Graph<\/a> \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03bd\u03b1\u03c2 \u03c0\u03bf\u03bb\u03cd\u03c4\u03b9\u03bc\u03bf\u03c2 \u03c0\u03cc\u03c1\u03bf\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03bf\u03c5\u03c2 \u03b5\u03c0\u03b9\u03c3\u03c4\u03ae\u03bc\u03bf\u03bd\u03b5\u03c2 \u03c0\u03bf\u03c5 \u03b5\u03c0\u03b9\u03b4\u03b9\u03ce\u03ba\u03bf\u03c5\u03bd \u03bd\u03b1 \u03b2\u03b5\u03bb\u03c4\u03b9\u03ce\u03c3\u03bf\u03c5\u03bd \u03c4\u03bf\u03bd \u03b1\u03bd\u03c4\u03af\u03ba\u03c4\u03c5\u03c0\u03bf \u03c4\u03b7\u03c2 \u03ad\u03c1\u03b5\u03c5\u03bd\u03ac\u03c2 \u03c4\u03bf\u03c5\u03c2 \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03b5\u03c0\u03b9\u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03ae\u03c3\u03bf\u03c5\u03bd \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ac \u03c4\u03b1 \u03b5\u03c5\u03c1\u03ae\u03bc\u03b1\u03c4\u03ac \u03c4\u03bf\u03c5\u03c2. \u0388\u03bd\u03b1 \u03b1\u03c0\u03cc \u03c4\u03b1 \u03b2\u03b1\u03c3\u03b9\u03ba\u03ac \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ac \u03c4\u03b7\u03c2 \u03c0\u03bb\u03b1\u03c4\u03c6\u03cc\u03c1\u03bc\u03b1\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03c0\u03c1\u03cc\u03c3\u03b2\u03b1\u03c3\u03b7 \u03c3\u03b5 \u03c0\u03ac\u03bd\u03c9 \u03b1\u03c0\u03cc 200 \u03c0\u03c1\u03bf\u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03bc\u03ad\u03bd\u03b1, \u03cc\u03bc\u03bf\u03c1\u03c6\u03b1 \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03b1 \u03b3\u03b9\u03b1 \u03b5\u03c0\u03b1\u03b3\u03b3\u03b5\u03bb\u03bc\u03b1\u03c4\u03b9\u03ba\u03ac infographics. \u0391\u03c5\u03c4\u03cc \u03c4\u03bf \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03cc \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03c3\u03c4\u03bf\u03c5\u03c2 \u03b5\u03c1\u03b5\u03c5\u03bd\u03b7\u03c4\u03ad\u03c2 \u03bd\u03b1 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03bf\u03cd\u03bd \u03b5\u03cd\u03ba\u03bf\u03bb\u03b1 \u03ba\u03b1\u03b9 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ac \u03b5\u03bd\u03c4\u03c5\u03c0\u03c9\u03c3\u03b9\u03b1\u03ba\u03ad\u03c2 \u03bf\u03c0\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b1\u03bd\u03b1\u03c0\u03b1\u03c1\u03b1\u03c3\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03c4\u03c9\u03bd \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03c4\u03bf\u03c5\u03c2, \u03bf\u03b9 \u03bf\u03c0\u03bf\u03af\u03b5\u03c2 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03b2\u03bf\u03b7\u03b8\u03ae\u03c3\u03bf\u03c5\u03bd \u03bd\u03b1 \u03c4\u03c1\u03b1\u03b2\u03ae\u03be\u03bf\u03c5\u03bd \u03c4\u03b7\u03bd \u03c0\u03c1\u03bf\u03c3\u03bf\u03c7\u03ae \u03c4\u03bf\u03c5 \u03ba\u03bf\u03b9\u03bd\u03bf\u03cd-\u03c3\u03c4\u03cc\u03c7\u03bf\u03c5 \u03c4\u03bf\u03c5\u03c2 \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03b2\u03b5\u03bb\u03c4\u03b9\u03ce\u03c3\u03bf\u03c5\u03bd \u03c4\u03bf\u03bd \u03c3\u03c5\u03bd\u03bf\u03bb\u03b9\u03ba\u03cc \u03b1\u03bd\u03c4\u03af\u03ba\u03c4\u03c5\u03c0\u03bf \u03c4\u03b7\u03c2 \u03ad\u03c1\u03b5\u03c5\u03bd\u03ac\u03c2 \u03c4\u03bf\u03c5\u03c2.<\/p>\n\n\n\n<div style=\"height:21px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><a href=\"https:\/\/mindthegraph.com\/offer-trial\"><img decoding=\"async\" loading=\"lazy\" width=\"651\" height=\"174\" src=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/02\/banner-blog-trial-03.jpg\" alt=\"\" class=\"wp-image-26762\" srcset=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/02\/banner-blog-trial-03.jpg 651w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/02\/banner-blog-trial-03-300x80.jpg 300w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/02\/banner-blog-trial-03-18x5.jpg 18w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/02\/banner-blog-trial-03-100x27.jpg 100w\" sizes=\"(max-width: 651px) 100vw, 651px\" \/><\/a><\/figure><\/div>\n\n\n<div style=\"height:44px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>","protected":false},"excerpt":{"rendered":"<p>\u0398\u03ad\u03bb\u03b5\u03c4\u03b5 \u03bd\u03b1 \u03bc\u03ac\u03b8\u03b5\u03c4\u03b5 \u03c0\u03bf\u03b9\u03bf\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03bf\u03b9 \u03c4\u03cd\u03c0\u03bf\u03b9 \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1\u03c2; \u039c\u03b7\u03bd \u03c8\u03ac\u03c7\u03bd\u03b5\u03c4\u03b5 \u03ac\u03bb\u03bb\u03bf! \u0394\u03b5\u03af\u03c4\u03b5 \u03c3\u03b5 \u03b2\u03ac\u03b8\u03bf\u03c2 \u03c4\u03b9\u03c2 \u03b4\u03b9\u03ac\u03c6\u03bf\u03c1\u03b5\u03c2 \u03c4\u03b5\u03c7\u03bd\u03b9\u03ba\u03ad\u03c2 \u03c0\u03bf\u03c5 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b7 \u03c3\u03c5\u03bb\u03bb\u03bf\u03b3\u03ae \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd.<\/p>","protected":false},"author":35,"featured_media":29203,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[959,28],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to Choose the Right Types of Sampling for Your Research - Mind the Graph Blog<\/title>\n<meta name=\"description\" content=\"Want to know what are the types of sampling? 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