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\u03b5\u03c1\u03b5\u03c5\u03bd\u03b7\u03c4\u03ad\u03c2 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03b5\u03bd\u03c4\u03bf\u03c0\u03af\u03c3\u03bf\u03c5\u03bd \u03c4\u03b1 \u03c0\u03c1\u03bf\u03b2\u03bb\u03ae\u03bc\u03b1\u03c4\u03b1 \u03b1\u03c0\u03cc \u03bd\u03c9\u03c1\u03af\u03c2 \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03ba\u03ac\u03bd\u03bf\u03c5\u03bd \u03c4\u03b9\u03c2 \u03b1\u03c0\u03b1\u03c1\u03b1\u03af\u03c4\u03b7\u03c4\u03b5\u03c2 \u03c0\u03c1\u03bf\u03c3\u03b1\u03c1\u03bc\u03bf\u03b3\u03ad\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03b2\u03b5\u03bb\u03c4\u03af\u03c9\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03c0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03c2 \u03b1\u03ba\u03c1\u03af\u03b2\u03b5\u03b9\u03b1\u03c2 \u03c4\u03c9\u03bd \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd.<\/p>\n\n\n\n<p>\u039f\u03b9 \u03c0\u03b9\u03bb\u03bf\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 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\u03b7 \u03bc\u03b5\u03bb\u03ad\u03c4\u03b7 \u03b8\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b5\u03c0\u03b9\u03c4\u03c5\u03c7\u03ae\u03c2.<\/p>\n\n\n\n<h2 id=\"h-uses-of-pilot-studies\"><strong>\u03a7\u03c1\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c4\u03c9\u03bd \u03c0\u03b9\u03bb\u03bf\u03c4\u03b9\u03ba\u03ce\u03bd \u03bc\u03b5\u03bb\u03b5\u03c4\u03ce\u03bd<\/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 \u03c3\u03c5\u03bd\u03ae\u03b8\u03b5\u03b9\u03c2 \u03c7\u03c1\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c0\u03b9\u03bb\u03bf\u03c4\u03b9\u03ba\u03ce\u03bd \u03bc\u03b5\u03bb\u03b5\u03c4\u03ce\u03bd:<\/p>\n\n\n\n<p><strong>\u0391\u03be\u03b9\u03bf\u03bb\u03cc\u03b3\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03c3\u03ba\u03bf\u03c0\u03b9\u03bc\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2: <\/strong>\u039f\u03b9 \u03c0\u03b9\u03bb\u03bf\u03c4\u03b9\u03ba\u03ad\u03c2 \u03bc\u03b5\u03bb\u03ad\u03c4\u03b5\u03c2 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b7\u03b8\u03bf\u03cd\u03bd \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b1\u03be\u03b9\u03bf\u03bb\u03cc\u03b3\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03c3\u03ba\u03bf\u03c0\u03b9\u03bc\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03b4\u03b9\u03b5\u03be\u03b1\u03b3\u03c9\u03b3\u03ae\u03c2 \u03bc\u03b9\u03b1\u03c2 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7\u03c2 \u03bc\u03b5\u03bb\u03ad\u03c4\u03b7\u03c2, \u03b5\u03bd\u03c4\u03bf\u03c0\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03c5\u03c7\u03cc\u03bd \u03c0\u03b9\u03b8\u03b1\u03bd\u03ad\u03c2 \u03c0\u03c1\u03bf\u03ba\u03bb\u03ae\u03c3\u03b5\u03b9\u03c2 \u03ae \u03c0\u03b5\u03c1\u03b9\u03bf\u03c1\u03b9\u03c3\u03bc\u03bf\u03cd\u03c2 \u03c0\u03bf\u03c5 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c0\u03c1\u03bf\u03ba\u03cd\u03c8\u03bf\u03c5\u03bd \u03ba\u03b1\u03c4\u03ac \u03c4\u03b7 \u03b4\u03b9\u03ac\u03c1\u03ba\u03b5\u03b9\u03b1 \u03c4\u03b7\u03c2 \u03bc\u03b5\u03bb\u03ad\u03c4\u03b7\u03c2, \u03cc\u03c0\u03c9\u03c2 \u03b4\u03c5\u03c3\u03ba\u03bf\u03bb\u03af\u03b5\u03c2 \u03c3\u03c4\u03b7\u03bd \u03c0\u03c1\u03cc\u03c3\u03bb\u03b7\u03c8\u03b7, \u03c4\u03b7 \u03b4\u03b9\u03b1\u03c4\u03ae\u03c1\u03b7\u03c3\u03b7 \u03ae \u03c4\u03b7 \u03c3\u03c5\u03bb\u03bb\u03bf\u03b3\u03ae \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd.<\/p>\n\n\n\n<p><strong>\u0392\u03b5\u03bb\u03c4\u03af\u03c9\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03c0\u03c1\u03c9\u03c4\u03bf\u03ba\u03cc\u03bb\u03bb\u03bf\u03c5 \u03c4\u03b7\u03c2 \u03bc\u03b5\u03bb\u03ad\u03c4\u03b7\u03c2:<\/strong><em> <\/em>\u039f\u03b9 \u03c0\u03b9\u03bb\u03bf\u03c4\u03b9\u03ba\u03ad\u03c2 \u03bc\u03b5\u03bb\u03ad\u03c4\u03b5\u03c2 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03b2\u03bf\u03b7\u03b8\u03ae\u03c3\u03bf\u03c5\u03bd \u03c4\u03bf\u03c5\u03c2 \u03b5\u03c1\u03b5\u03c5\u03bd\u03b7\u03c4\u03ad\u03c2 \u03bd\u03b1 \u03b2\u03b5\u03bb\u03c4\u03b9\u03ce\u03c3\u03bf\u03c5\u03bd \u03c4\u03bf \u03c0\u03c1\u03c9\u03c4\u03cc\u03ba\u03bf\u03bb\u03bb\u03bf \u03ba\u03b1\u03b9 \u03c4\u03b9\u03c2 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b5\u03c2 \u03c4\u03b7\u03c2 \u03bc\u03b5\u03bb\u03ad\u03c4\u03b7\u03c2, \u03cc\u03c0\u03c9\u03c2 \u03bf \u03c3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u03bc\u03cc\u03c2 \u03c4\u03b7\u03c2 \u03bc\u03b5\u03bb\u03ad\u03c4\u03b7\u03c2, \u03c4\u03b1 \u03bc\u03ad\u03c3\u03b1 \u03c3\u03c5\u03bb\u03bb\u03bf\u03b3\u03ae\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03ba\u03b1\u03b9 \u03bf\u03b9 \u03bc\u03ad\u03b8\u03bf\u03b4\u03bf\u03b9 \u03b1\u03bd\u03ac\u03bb\u03c5\u03c3\u03b7\u03c2, \u03ce\u03c3\u03c4\u03b5 \u03bd\u03b1 \u03b4\u03b9\u03b1\u03c3\u03c6\u03b1\u03bb\u03b9\u03c3\u03c4\u03b5\u03af \u03cc\u03c4\u03b9 \u03b7 \u03bc\u03b5\u03bb\u03ad\u03c4\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c0\u03bf\u03b4\u03bf\u03c4\u03b9\u03ba\u03ae, \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae \u03ba\u03b1\u03b9 \u03b5\u03c6\u03b9\u03ba\u03c4\u03ae.<\/p>\n\n\n\n<p><strong>\u039d\u03b1 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ac\u03c3\u03b5\u03b9 \u03c4\u03b9\u03c2 \u03c0\u03b1\u03c1\u03b5\u03bc\u03b2\u03ac\u03c3\u03b5\u03b9\u03c2: <\/strong>\u039f\u03b9 \u03c0\u03b9\u03bb\u03bf\u03c4\u03b9\u03ba\u03ad\u03c2 \u03bc\u03b5\u03bb\u03ad\u03c4\u03b5\u03c2 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b7\u03b8\u03bf\u03cd\u03bd \u03b3\u03b9\u03b1 \u03c4\u03bf\u03bd \u03ad\u03bb\u03b5\u03b3\u03c7\u03bf \u03c4\u03b7\u03c2 \u03c3\u03ba\u03bf\u03c0\u03b9\u03bc\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03c2 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03bc\u03b9\u03b1\u03c2 \u03c0\u03b1\u03c1\u03ad\u03bc\u03b2\u03b1\u03c3\u03b7\u03c2 \u03ae \u03b8\u03b5\u03c1\u03b1\u03c0\u03b5\u03af\u03b1\u03c2 \u03c0\u03c1\u03b9\u03bd \u03b1\u03c0\u03cc \u03c4\u03b7 \u03b4\u03b9\u03b5\u03be\u03b1\u03b3\u03c9\u03b3\u03ae \u03bc\u03b9\u03b1\u03c2 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7\u03c2, \u03c0\u03b9\u03bf \u03bf\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ae\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae\u03c2. \u0391\u03c5\u03c4\u03cc \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b2\u03bf\u03b7\u03b8\u03ae\u03c3\u03b5\u03b9 \u03c4\u03bf\u03c5\u03c2 \u03b5\u03c1\u03b5\u03c5\u03bd\u03b7\u03c4\u03ad\u03c2 \u03bd\u03b1 \u03b5\u03bd\u03c4\u03bf\u03c0\u03af\u03c3\u03bf\u03c5\u03bd \u03c4\u03c5\u03c7\u03cc\u03bd \u03c0\u03b9\u03b8\u03b1\u03bd\u03ac \u03c0\u03c1\u03bf\u03b2\u03bb\u03ae\u03bc\u03b1\u03c4\u03b1 \u03ae \u03b6\u03b7\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03bc\u03b5 \u03c4\u03b7\u03bd \u03c0\u03b1\u03c1\u03ad\u03bc\u03b2\u03b1\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03ba\u03ac\u03bd\u03bf\u03c5\u03bd \u03c4\u03b9\u03c2 \u03b1\u03c0\u03b1\u03c1\u03b1\u03af\u03c4\u03b7\u03c4\u03b5\u03c2 \u03c4\u03c1\u03bf\u03c0\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03b5\u03b9\u03c2 \u03ae \u03c0\u03c1\u03bf\u03c3\u03b1\u03c1\u03bc\u03bf\u03b3\u03ad\u03c2 \u03c0\u03c1\u03b9\u03bd \u03b1\u03c0\u03cc \u03c4\u03b7 \u03b4\u03b9\u03b5\u03be\u03b1\u03b3\u03c9\u03b3\u03ae \u03bc\u03b9\u03b1\u03c2 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7\u03c2 \u03bc\u03b5\u03bb\u03ad\u03c4\u03b7\u03c2.<\/p>\n\n\n\n<p><strong>\u0391\u03be\u03b9\u03bf\u03bb\u03cc\u03b3\u03b7\u03c3\u03b7 \u03c4\u03c9\u03bd \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03c9\u03bd \u03bc\u03ad\u03c4\u03c1\u03b7\u03c3\u03b7\u03c2:<\/strong> \u039f\u03b9 \u03c0\u03b9\u03bb\u03bf\u03c4\u03b9\u03ba\u03ad\u03c2 \u03bc\u03b5\u03bb\u03ad\u03c4\u03b5\u03c2 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b7\u03b8\u03bf\u03cd\u03bd \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b1\u03be\u03b9\u03bf\u03bb\u03cc\u03b3\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b1\u03be\u03b9\u03bf\u03c0\u03b9\u03c3\u03c4\u03af\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03c2 \u03b5\u03b3\u03ba\u03c5\u03c1\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03c4\u03c9\u03bd \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03c9\u03bd \u03bc\u03ad\u03c4\u03c1\u03b7\u03c3\u03b7\u03c2, \u03cc\u03c0\u03c9\u03c2 \u03bf\u03b9 \u03ad\u03c1\u03b5\u03c5\u03bd\u03b5\u03c2 \u03ae \u03c4\u03b1 \u03b5\u03c1\u03c9\u03c4\u03b7\u03bc\u03b1\u03c4\u03bf\u03bb\u03cc\u03b3\u03b9\u03b1, \u03c0\u03c1\u03b9\u03bd \u03b1\u03c0\u03cc \u03c4\u03b7 \u03c7\u03c1\u03ae\u03c3\u03b7 \u03c4\u03bf\u03c5\u03c2 \u03c3\u03b5 \u03bc\u03b9\u03b1 \u03b5\u03c5\u03c1\u03cd\u03c4\u03b5\u03c1\u03b7 \u03bc\u03b5\u03bb\u03ad\u03c4\u03b7. \u0391\u03c5\u03c4\u03cc \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b2\u03bf\u03b7\u03b8\u03ae\u03c3\u03b5\u03b9 \u03bd\u03b1 \u03b4\u03b9\u03b1\u03c3\u03c6\u03b1\u03bb\u03b9\u03c3\u03c4\u03b5\u03af \u03cc\u03c4\u03b9 \u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03c0\u03bf\u03c5 \u03c3\u03c5\u03bb\u03bb\u03ad\u03b3\u03bf\u03bd\u03c4\u03b1\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03ba\u03c1\u03b9\u03b2\u03ae \u03ba\u03b1\u03b9 \u03b1\u03be\u03b9\u03cc\u03c0\u03b9\u03c3\u03c4\u03b1.<\/p>\n\n\n\n<h2 id=\"h-misuses-of-pilot-studies\"><strong>\u039a\u03b1\u03ba\u03ae \u03c7\u03c1\u03ae\u03c3\u03b7 \u03c4\u03c9\u03bd \u03c0\u03b9\u03bb\u03bf\u03c4\u03b9\u03ba\u03ce\u03bd \u03bc\u03b5\u03bb\u03b5\u03c4\u03ce\u03bd<\/strong><\/h2>\n\n\n\n<p>\u039f\u03b9 \u03c0\u03b9\u03bb\u03bf\u03c4\u03b9\u03ba\u03ad\u03c2 \u03bc\u03b5\u03bb\u03ad\u03c4\u03b5\u03c2 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b7\u03b8\u03bf\u03cd\u03bd \u03ba\u03b1\u03c4\u03b1\u03c7\u03c1\u03b7\u03c3\u03c4\u03b9\u03ba\u03ac \u03b5\u03ac\u03bd 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\u03b1\u03bd\u03c4\u03b9\u03c0\u03c1\u03bf\u03c3\u03c9\u03c0\u03b5\u03c5\u03c4\u03b9\u03ba\u03ac \u03b4\u03b5\u03af\u03b3\u03bc\u03b1\u03c4\u03b1: <\/strong>\u039f\u03b9 \u03c0\u03b9\u03bb\u03bf\u03c4\u03b9\u03ba\u03ad\u03c2 \u03bc\u03b5\u03bb\u03ad\u03c4\u03b5\u03c2 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd \u03bc\u03b7 \u03b1\u03bd\u03c4\u03b9\u03c0\u03c1\u03bf\u03c3\u03c9\u03c0\u03b5\u03c5\u03c4\u03b9\u03ba\u03ac \u03b4\u03b5\u03af\u03b3\u03bc\u03b1\u03c4\u03b1 \u03c0\u03bf\u03c5 \u03b4\u03b5\u03bd \u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03c4\u03bf\u03c0\u03c4\u03c1\u03af\u03b6\u03bf\u03c5\u03bd \u03c4\u03bf\u03bd \u03c0\u03bb\u03b7\u03b8\u03c5\u03c3\u03bc\u03cc \u03b5\u03bd\u03b4\u03b9\u03b1\u03c6\u03ad\u03c1\u03bf\u03bd\u03c4\u03bf\u03c2, \u03bf\u03b4\u03b7\u03b3\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c3\u03b5 \u03bc\u03b5\u03c1\u03bf\u03bb\u03b7\u03c0\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b5\u03ba\u03c4\u03b9\u03bc\u03ae\u03c3\u03b5\u03b9\u03c2 \u03ae \u03b1\u03bd\u03b1\u03ba\u03c1\u03b9\u03b2\u03b5\u03af\u03c2 \u03b3\u03b5\u03bd\u03b9\u03ba\u03b5\u03cd\u03c3\u03b5\u03b9\u03c2.<\/p>\n\n\n\n<p><strong>\u0388\u03bb\u03bb\u03b5\u03b9\u03c8\u03b7 \u03b1\u03c5\u03c3\u03c4\u03b7\u03c1\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2: <\/strong>\u039f\u03b9 \u03c0\u03b9\u03bb\u03bf\u03c4\u03b9\u03ba\u03ad\u03c2 \u03bc\u03b5\u03bb\u03ad\u03c4\u03b5\u03c2 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03bc\u03b7\u03bd \u03ad\u03c7\u03bf\u03c5\u03bd \u03c4\u03b7\u03bd \u03b1\u03c5\u03c3\u03c4\u03b7\u03c1\u03cc\u03c4\u03b7\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03c0\u03c1\u03bf\u03c3\u03bf\u03c7\u03ae \u03c3\u03c4\u03b7 \u03bb\u03b5\u03c0\u03c4\u03bf\u03bc\u03ad\u03c1\u03b5\u03b9\u03b1 \u03c0\u03bf\u03c5 \u03b1\u03c0\u03b1\u03b9\u03c4\u03b5\u03af\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03bc\u03b9\u03b1 \u03bc\u03b5\u03bb\u03ad\u03c4\u03b7 \u03c0\u03bb\u03ae\u03c1\u03bf\u03c5\u03c2 \u03ba\u03bb\u03af\u03bc\u03b1\u03ba\u03b1\u03c2, \u03bf\u03b4\u03b7\u03b3\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c3\u03b5 \u03ba\u03b1\u03ba\u03ae \u03c0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03ae \u03bb\u03b1\u03bd\u03b8\u03b1\u03c3\u03bc\u03ad\u03bd\u03b1 \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03ac\u03c3\u03bc\u03b1\u03c4\u03b1.<\/p>\n\n\n\n<p><strong>\u03a3\u03cd\u03b3\u03c7\u03c5\u03c3\u03b7 \u03c0\u03c1\u03bf\u03ba\u03b1\u03c4\u03b1\u03c1\u03ba\u03c4\u03b9\u03ba\u03ce\u03bd \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03ac\u03c4\u03c9\u03bd \u03bc\u03b5 \u03bf\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ac \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1:<\/strong><em> <\/em>\u039f\u03b9 \u03c0\u03b9\u03bb\u03bf\u03c4\u03b9\u03ba\u03ad\u03c2 \u03bc\u03b5\u03bb\u03ad\u03c4\u03b5\u03c2 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b8\u03b5\u03c9\u03c1\u03b7\u03b8\u03bf\u03cd\u03bd \u03c9\u03c2 \u03bf\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ad\u03c2 \u03ba\u03b1\u03b9 \u03cc\u03c7\u03b9 \u03c9\u03c2 \u03c0\u03c1\u03bf\u03ba\u03b1\u03c4\u03b1\u03c1\u03ba\u03c4\u03b9\u03ba\u03ad\u03c2, \u03bf\u03b4\u03b7\u03b3\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c3\u03b5 \u03b1\u03ba\u03b1\u03c4\u03ac\u03bb\u03bb\u03b7\u03bb\u03b1 \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03ac\u03c3\u03bc\u03b1\u03c4\u03b1 \u03ae \u03b1\u03c0\u03bf\u03c6\u03ac\u03c3\u03b5\u03b9\u03c2 \u03c0\u03bf\u03c5 \u03b2\u03b1\u03c3\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03b5\u03bb\u03bb\u03b9\u03c0\u03ae \u03ae \u03bc\u03b7 \u03b4\u03bf\u03ba\u03b9\u03bc\u03b1\u03c3\u03bc\u03ad\u03bd\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1.<\/p>\n\n\n\n<h2 id=\"h-objectives-of-pilot-testing\"><strong>\u03a3\u03c4\u03cc\u03c7\u03bf\u03b9 \u03c4\u03c9\u03bd \u03c0\u03b9\u03bb\u03bf\u03c4\u03b9\u03ba\u03ce\u03bd \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd<\/strong><\/h2>\n\n\n\n<p>\u039f\u03b9 \u03c3\u03c4\u03cc\u03c7\u03bf\u03b9 \u03c4\u03c9\u03bd \u03c0\u03b9\u03bb\u03bf\u03c4\u03b9\u03ba\u03ce\u03bd \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b4\u03b9\u03b1\u03c6\u03ad\u03c1\u03bf\u03c5\u03bd \u03b1\u03bd\u03ac\u03bb\u03bf\u03b3\u03b1 \u03bc\u03b5 \u03c4\u03b7 \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03b7 \u03b5\u03c1\u03b5\u03c5\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae \u03bc\u03b5\u03bb\u03ad\u03c4\u03b7 \u03ae \u03c0\u03b1\u03c1\u03ad\u03bc\u03b2\u03b1\u03c3\u03b7, \u03b1\u03bb\u03bb\u03ac \u03bf\u03c1\u03b9\u03c3\u03bc\u03ad\u03bd\u03bf\u03b9 \u03ba\u03bf\u03b9\u03bd\u03bf\u03af \u03c3\u03c4\u03cc\u03c7\u03bf\u03b9 \u03c0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03bf\u03c5\u03bd:<\/p>\n\n\n\n<h3 id=\"h-testing-feasibility\">\u0394\u03bf\u03ba\u03b9\u03bc\u03ae \u03c3\u03ba\u03bf\u03c0\u03b9\u03bc\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2<\/h3>\n\n\n\n<p>\u0388\u03bd\u03b1\u03c2 \u03b1\u03c0\u03cc \u03c4\u03bf\u03c5\u03c2 \u03c0\u03c1\u03c9\u03c4\u03b1\u03c1\u03c7\u03b9\u03ba\u03bf\u03cd\u03c2 \u03c3\u03c4\u03cc\u03c7\u03bf\u03c5\u03c2 \u03c4\u03c9\u03bd \u03c0\u03b9\u03bb\u03bf\u03c4\u03b9\u03ba\u03ce\u03bd \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03bd\u03b1 \u03b5\u03bb\u03b5\u03b3\u03c7\u03b8\u03b5\u03af \u03b7 \u03c3\u03ba\u03bf\u03c0\u03b9\u03bc\u03cc\u03c4\u03b7\u03c4\u03b1 \u03bc\u03b9\u03b1\u03c2 \u03b5\u03c1\u03b5\u03c5\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae\u03c2 \u03bc\u03b5\u03bb\u03ad\u03c4\u03b7\u03c2 \u03ae \u03c0\u03b1\u03c1\u03ad\u03bc\u03b2\u03b1\u03c3\u03b7\u03c2. \u0391\u03c5\u03c4\u03cc \u03c0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03b5\u03b9 \u03c4\u03b7\u03bd \u03b1\u03be\u03b9\u03bf\u03bb\u03cc\u03b3\u03b7\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03ba\u03b1\u03c4\u03ac \u03c0\u03cc\u03c3\u03bf\u03bd \u03b7 \u03bc\u03b5\u03bb\u03ad\u03c4\u03b7 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b4\u03b9\u03b5\u03be\u03b1\u03c7\u03b8\u03b5\u03af \u03b5\u03bd\u03c4\u03cc\u03c2 \u03c4\u03bf\u03c5 \u03c0\u03c1\u03bf\u03c4\u03b5\u03b9\u03bd\u03cc\u03bc\u03b5\u03bd\u03bf\u03c5 \u03c7\u03c1\u03bf\u03bd\u03bf\u03b4\u03b9\u03b1\u03b3\u03c1\u03ac\u03bc\u03bc\u03b1\u03c4\u03bf\u03c2 \u03ba\u03b1\u03b9 \u03c0\u03c1\u03bf\u03cb\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03bf\u03cd, \u03ba\u03b1\u03c4\u03ac \u03c0\u03cc\u03c3\u03bf\u03bd \u03b7 \u03c0\u03c1\u03cc\u03c3\u03bb\u03b7\u03c8\u03b7 \u03ba\u03b1\u03b9 \u03b7 \u03b4\u03b9\u03b1\u03c4\u03ae\u03c1\u03b7\u03c3\u03b7 \u03c4\u03c9\u03bd \u03c3\u03c5\u03bc\u03bc\u03b5\u03c4\u03b5\u03c7\u03cc\u03bd\u03c4\u03c9\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03b5\u03c6\u03b9\u03ba\u03c4\u03ae \u03ba\u03b1\u03b9 \u03ba\u03b1\u03c4\u03ac \u03c0\u03cc\u03c3\u03bf\u03bd \u03bf\u03b9 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b5\u03c2 \u03c3\u03c5\u03bb\u03bb\u03bf\u03b3\u03ae\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03c1\u03b1\u03ba\u03c4\u03b9\u03ba\u03ad\u03c2 \u03ba\u03b1\u03b9 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ad\u03c2.<\/p>\n\n\n\n<p>\u0394\u03b9\u03b1\u03b2\u03ac\u03c3\u03c4\u03b5 \u03c4\u03bf blog \u03bc\u03b1\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03bf \u03c0\u03b5\u03c1\u03b9\u03b5\u03c7\u03cc\u03bc\u03b5\u03bd\u03bf \"<a href=\"https:\/\/mindthegraph.com\/blog\/what-is-a-feasibility-study-in-research\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u0391\u03c0\u03cc \u03c4\u03b7\u03bd \u03b9\u03b4\u03ad\u03b1 \u03c3\u03c4\u03b7\u03bd \u03ba\u03b1\u03b9\u03bd\u03bf\u03c4\u03bf\u03bc\u03af\u03b1: \u03a4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03bc\u03b5\u03bb\u03ad\u03c4\u03b7 \u03c3\u03ba\u03bf\u03c0\u03b9\u03bc\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03c3\u03c4\u03b7\u03bd \u03ad\u03c1\u03b5\u03c5\u03bd\u03b1<\/a>&#8220;.<\/p>\n\n\n\n<h3 id=\"h-identifying-problems\">\u0395\u03bd\u03c4\u03bf\u03c0\u03b9\u03c3\u03bc\u03cc\u03c2 \u03c0\u03c1\u03bf\u03b2\u03bb\u03b7\u03bc\u03ac\u03c4\u03c9\u03bd<\/h3>\n\n\n\n<p>\u0388\u03bd\u03b1\u03c2 \u03ac\u03bb\u03bb\u03bf\u03c2 \u03c3\u03c4\u03cc\u03c7\u03bf\u03c2 \u03c4\u03c9\u03bd \u03c0\u03b9\u03bb\u03bf\u03c4\u03b9\u03ba\u03ce\u03bd \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03bf \u03b5\u03bd\u03c4\u03bf\u03c0\u03b9\u03c3\u03bc\u03cc\u03c2 \u03c0\u03b9\u03b8\u03b1\u03bd\u03ce\u03bd \u03c0\u03c1\u03bf\u03b2\u03bb\u03b7\u03bc\u03ac\u03c4\u03c9\u03bd \u03ae \u03b6\u03b7\u03c4\u03b7\u03bc\u03ac\u03c4\u03c9\u03bd \u03bc\u03b5 \u03c4\u03bf \u03c3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u03bc\u03cc \u03ae \u03c4\u03b9\u03c2 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b5\u03c2 \u03c4\u03b7\u03c2 \u03bc\u03b5\u03bb\u03ad\u03c4\u03b7\u03c2. \u0391\u03c5\u03c4\u03cc \u03c0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03b5\u03b9 \u03c4\u03bf\u03bd \u03b5\u03bd\u03c4\u03bf\u03c0\u03b9\u03c3\u03bc\u03cc \u03c3\u03c5\u03b3\u03ba\u03b5\u03c7\u03c5\u03bc\u03ad\u03bd\u03c9\u03bd \u03ae \u03b4\u03b9\u03c6\u03bf\u03c1\u03bf\u03cd\u03bc\u03b5\u03bd\u03c9\u03bd \u03b5\u03c1\u03c9\u03c4\u03ae\u03c3\u03b5\u03c9\u03bd \u03ae \u03bf\u03b4\u03b7\u03b3\u03b9\u03ce\u03bd, \u03c4\u03b5\u03c7\u03bd\u03b9\u03ba\u03ce\u03bd \u03b6\u03b7\u03c4\u03b7\u03bc\u03ac\u03c4\u03c9\u03bd \u03bc\u03b5 \u03c4\u03b1 \u03cc\u03c1\u03b3\u03b1\u03bd\u03b1 \u03ae \u03c4\u03bf\u03bd \u03b5\u03be\u03bf\u03c0\u03bb\u03b9\u03c3\u03bc\u03cc \u03ae \u03bb\u03bf\u03b3\u03b9\u03c3\u03c4\u03b9\u03ba\u03ce\u03bd \u03b4\u03c5\u03c3\u03ba\u03bf\u03bb\u03b9\u03ce\u03bd.<\/p>\n\n\n\n<h3 id=\"h-refining-methods\">\u039c\u03ad\u03b8\u03bf\u03b4\u03bf\u03b9 \u03b4\u03b9\u03cd\u03bb\u03b9\u03c3\u03b7\u03c2<\/h3>\n\n\n\n<p>\u039f\u03b9 \u03c0\u03b9\u03bb\u03bf\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03b2\u03bf\u03b7\u03b8\u03ae\u03c3\u03bf\u03c5\u03bd \u03c4\u03bf\u03c5\u03c2 \u03b5\u03c1\u03b5\u03c5\u03bd\u03b7\u03c4\u03ad\u03c2 \u03bd\u03b1 \u03b2\u03b5\u03bb\u03c4\u03b9\u03ce\u03c3\u03bf\u03c5\u03bd \u03c4\u03b9\u03c2 \u03bc\u03b5\u03b8\u03cc\u03b4\u03bf\u03c5\u03c2 \u03c4\u03bf\u03c5\u03c2, \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03b1\u03bd\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03c4\u03c9\u03bd \u03bc\u03ad\u03c3\u03c9\u03bd \u03c0\u03bf\u03c5 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03c3\u03c5\u03bb\u03bb\u03bf\u03b3\u03ae \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd, \u03c4\u03b7\u03c2 \u03c3\u03c4\u03c1\u03b1\u03c4\u03b7\u03b3\u03b9\u03ba\u03ae\u03c2 \u03b4\u03b5\u03b9\u03b3\u03bc\u03b1\u03c4\u03bf\u03bb\u03b7\u03c8\u03af\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03bf\u03c5 \u03c3\u03c7\u03b5\u03b4\u03af\u03bf\u03c5 \u03b1\u03bd\u03ac\u03bb\u03c5\u03c3\u03b7\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd.<\/p>\n\n\n\n<h3 id=\"h-estimating-sample-size\">\u0395\u03ba\u03c4\u03af\u03bc\u03b7\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03bc\u03b5\u03b3\u03ad\u03b8\u03bf\u03c5\u03c2 \u03c4\u03bf\u03c5 \u03b4\u03b5\u03af\u03b3\u03bc\u03b1\u03c4\u03bf\u03c2<\/h3>\n\n\n\n<p>\u0397 \u03c0\u03b9\u03bb\u03bf\u03c4\u03b9\u03ba\u03ae \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b2\u03bf\u03b7\u03b8\u03ae\u03c3\u03b5\u03b9 \u03c3\u03c4\u03b7\u03bd \u03b5\u03ba\u03c4\u03af\u03bc\u03b7\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03bc\u03b5\u03b3\u03ad\u03b8\u03bf\u03c5\u03c2 \u03c4\u03bf\u03c5 \u03b4\u03b5\u03af\u03b3\u03bc\u03b1\u03c4\u03bf\u03c2 \u03c0\u03bf\u03c5 \u03b1\u03c0\u03b1\u03b9\u03c4\u03b5\u03af\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03ba\u03cd\u03c1\u03b9\u03b1 \u03bc\u03b5\u03bb\u03ad\u03c4\u03b7, \u03bc\u03b5 \u03b2\u03ac\u03c3\u03b7 \u03c4\u03b7 \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c0\u03bf\u03c5 \u03c0\u03b1\u03c1\u03b1\u03c4\u03b7\u03c1\u03b5\u03af\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b1 \u03c0\u03b9\u03bb\u03bf\u03c4\u03b9\u03ba\u03ac \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1.<\/p>\n\n\n\n<h3 id=\"h-providing-preliminary-data\">\u03a0\u03b1\u03c1\u03bf\u03c7\u03ae \u03c0\u03c1\u03bf\u03ba\u03b1\u03c4\u03b1\u03c1\u03ba\u03c4\u03b9\u03ba\u03ce\u03bd \u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af\u03c9\u03bd<\/h3>\n\n\n\n<p>\u039f\u03b9 \u03c0\u03b9\u03bb\u03bf\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03c0\u03b1\u03c1\u03ad\u03c7\u03bf\u03c5\u03bd \u03c0\u03c1\u03bf\u03ba\u03b1\u03c4\u03b1\u03c1\u03ba\u03c4\u03b9\u03ba\u03ac \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03c0\u03bf\u03c5 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b7\u03b8\u03bf\u03cd\u03bd \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b5\u03bd\u03b7\u03bc\u03ad\u03c1\u03c9\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03ba\u03cd\u03c1\u03b9\u03b1\u03c2 \u03bc\u03b5\u03bb\u03ad\u03c4\u03b7\u03c2 \u03ae \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03af\u03b1 \u03c5\u03c0\u03bf\u03b8\u03ad\u03c3\u03b5\u03c9\u03bd \u03b3\u03b9\u03b1 \u03bc\u03b5\u03bb\u03bb\u03bf\u03bd\u03c4\u03b9\u03ba\u03ae \u03ad\u03c1\u03b5\u03c5\u03bd\u03b1.<\/p>\n\n\n\n<h2 id=\"h-6-steps-on-how-to-do-pilot-testing\"><strong>6 \u03b2\u03ae\u03bc\u03b1\u03c4\u03b1 \u03b3\u03b9\u03b1 \u03c4\u03bf \u03c0\u03ce\u03c2 \u03bd\u03b1 \u03ba\u03ac\u03bd\u03b5\u03c4\u03b5 \u03c0\u03b9\u03bb\u03bf\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2<\/strong><\/h2>\n\n\n\n<p>\u0397 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 \u03b4\u03b9\u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1\u03c2 \u03bc\u03b9\u03b1\u03c2 \u03c0\u03b9\u03bb\u03bf\u03c4\u03b9\u03ba\u03ae\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae\u03c2 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b4\u03b9\u03b1\u03c6\u03ad\u03c1\u03b5\u03b9 \u03b1\u03bd\u03ac\u03bb\u03bf\u03b3\u03b1 \u03bc\u03b5 \u03c4\u03b7 \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03b7 \u03b5\u03c1\u03b5\u03c5\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae \u03bc\u03b5\u03bb\u03ad\u03c4\u03b7 \u03ae \u03c0\u03b1\u03c1\u03ad\u03bc\u03b2\u03b1\u03c3\u03b7, \u03b1\u03bb\u03bb\u03ac \u03c0\u03b1\u03c1\u03b1\u03c4\u03af\u03b8\u03b5\u03bd\u03c4\u03b1\u03b9 \u03bf\u03c1\u03b9\u03c3\u03bc\u03ad\u03bd\u03b1 \u03b3\u03b5\u03bd\u03b9\u03ba\u03ac \u03b2\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c0\u03bf\u03c5 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b1\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03ae\u03c3\u03b5\u03c4\u03b5:<\/p>\n\n\n\n<h3 id=\"h-step-1-develop-a-pilot-test-plan\">\u0392\u03ae\u03bc\u03b1 1 - \u0391\u03bd\u03ac\u03c0\u03c4\u03c5\u03be\u03b7 \u03c3\u03c7\u03b5\u03b4\u03af\u03bf\u03c5 \u03c0\u03b9\u03bb\u03bf\u03c4\u03b9\u03ba\u03ae\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae\u03c2<\/h3>\n\n\n\n<p>\u03a0\u03c1\u03b9\u03bd \u03b1\u03c0\u03cc \u03c4\u03b7 \u03b4\u03b9\u03b5\u03be\u03b1\u03b3\u03c9\u03b3\u03ae \u03c4\u03b7\u03c2 \u03c0\u03b9\u03bb\u03bf\u03c4\u03b9\u03ba\u03ae\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae\u03c2, \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03cc \u03bd\u03b1 \u03b1\u03bd\u03b1\u03c0\u03c4\u03c5\u03c7\u03b8\u03b5\u03af \u03ad\u03bd\u03b1 \u03c3\u03c7\u03ad\u03b4\u03b9\u03bf \u03c0\u03bf\u03c5 \u03bd\u03b1 \u03c0\u03b5\u03c1\u03b9\u03b3\u03c1\u03ac\u03c6\u03b5\u03b9 \u03c4\u03bf\u03c5\u03c2 \u03c3\u03c4\u03cc\u03c7\u03bf\u03c5\u03c2, \u03c4\u03b9\u03c2 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b1 \u03b1\u03bd\u03b1\u03bc\u03b5\u03bd\u03cc\u03bc\u03b5\u03bd\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1 \u03c4\u03b7\u03c2 \u03c0\u03b9\u03bb\u03bf\u03c4\u03b9\u03ba\u03ae\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae\u03c2.<\/p>\n\n\n\n<h3 id=\"h-step-2-select-participants\">\u0392\u03ae\u03bc\u03b1 2 - \u0395\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae \u03c3\u03c5\u03bc\u03bc\u03b5\u03c4\u03b5\u03c7\u03cc\u03bd\u03c4\u03c9\u03bd<\/h3>\n\n\n\n<p>\u039a\u03b1\u03b8\u03bf\u03c1\u03b9\u03c3\u03bc\u03cc\u03c2 \u03c4\u03bf\u03c5 \u03bc\u03b5\u03b3\u03ad\u03b8\u03bf\u03c5\u03c2 \u03c4\u03bf\u03c5 \u03b4\u03b5\u03af\u03b3\u03bc\u03b1\u03c4\u03bf\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03c9\u03bd \u03ba\u03c1\u03b9\u03c4\u03b7\u03c1\u03af\u03c9\u03bd \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae\u03c2 \u03c4\u03c9\u03bd \u03c3\u03c5\u03bc\u03bc\u03b5\u03c4\u03b5\u03c7\u03cc\u03bd\u03c4\u03c9\u03bd \u03c3\u03c4\u03b7\u03bd \u03c0\u03b9\u03bb\u03bf\u03c4\u03b9\u03ba\u03ae \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae. \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 \u03c0\u03c1\u03cc\u03c3\u03bb\u03b7\u03c8\u03b7 \u03bc\u03b9\u03b1\u03c2 \u03c0\u03bf\u03b9\u03ba\u03b9\u03bb\u03cc\u03bc\u03bf\u03c1\u03c6\u03b7\u03c2 \u03bf\u03bc\u03ac\u03b4\u03b1\u03c2 \u03c3\u03c5\u03bc\u03bc\u03b5\u03c4\u03b5\u03c7\u03cc\u03bd\u03c4\u03c9\u03bd \u03c0\u03bf\u03c5 \u03bd\u03b1 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03c4\u03bf\u03c0\u03c4\u03c1\u03af\u03b6\u03b5\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-\u03c3\u03c4\u03cc\u03c7\u03bf\u03c5 \u03c4\u03b7\u03c2 \u03ba\u03cd\u03c1\u03b9\u03b1\u03c2 \u03bc\u03b5\u03bb\u03ad\u03c4\u03b7\u03c2.<\/p>\n\n\n\n<h3 id=\"h-step-3-conduct-the-pilot-test\">\u0392\u03ae\u03bc\u03b1 3 - \u0394\u03b9\u03b5\u03be\u03b1\u03b3\u03c9\u03b3\u03ae \u03c4\u03b7\u03c2 \u03c0\u03b9\u03bb\u03bf\u03c4\u03b9\u03ba\u03ae\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae\u03c2<\/h3>\n\n\n\n<p>\u03a7\u03bf\u03c1\u03b7\u03b3\u03ae\u03c3\u03c4\u03b5 \u03c4\u03b9\u03c2 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b5\u03c2, \u03c4\u03b1 \u03cc\u03c1\u03b3\u03b1\u03bd\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03b9\u03c2 \u03c0\u03b1\u03c1\u03b5\u03bc\u03b2\u03ac\u03c3\u03b5\u03b9\u03c2 \u03c4\u03b7\u03c2 \u03bc\u03b5\u03bb\u03ad\u03c4\u03b7\u03c2 \u03c3\u03c4\u03bf\u03c5\u03c2 \u03c3\u03c5\u03bc\u03bc\u03b5\u03c4\u03ad\u03c7\u03bf\u03bd\u03c4\u03b5\u03c2 \u03c3\u03c4\u03b7\u03bd \u03c0\u03b9\u03bb\u03bf\u03c4\u03b9\u03ba\u03ae \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae, \u03ba\u03ac\u03bd\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03c5\u03c7\u03cc\u03bd \u03b1\u03bd\u03b1\u03b3\u03ba\u03b1\u03af\u03b5\u03c2 \u03c0\u03c1\u03bf\u03c3\u03b1\u03c1\u03bc\u03bf\u03b3\u03ad\u03c2 \u03ae \u03c4\u03c1\u03bf\u03c0\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c3\u03c4\u03b7\u03bd \u03c0\u03bf\u03c1\u03b5\u03af\u03b1.<\/p>\n\n\n\n<h3 id=\"h-step-4-collect-data\">\u0392\u03ae\u03bc\u03b1 4 - \u03a3\u03c5\u03bb\u03bb\u03bf\u03b3\u03ae \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd<\/h3>\n\n\n\n<p>\u03a3\u03c5\u03bb\u03bb\u03ad\u03be\u03c4\u03b5 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03c3\u03c7\u03b5\u03c4\u03b9\u03ba\u03ac \u03bc\u03b5 \u03c4\u03b7 \u03c3\u03ba\u03bf\u03c0\u03b9\u03bc\u03cc\u03c4\u03b7\u03c4\u03b1, \u03c4\u03b7\u03bd \u03b1\u03c0\u03bf\u03b4\u03bf\u03c7\u03ae \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03c9\u03bd \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03b9\u03ce\u03bd, \u03c4\u03c9\u03bd \u03bc\u03ad\u03c3\u03c9\u03bd \u03ba\u03b1\u03b9 \u03c4\u03c9\u03bd \u03c0\u03b1\u03c1\u03b5\u03bc\u03b2\u03ac\u03c3\u03b5\u03c9\u03bd \u03c4\u03b7\u03c2 \u03bc\u03b5\u03bb\u03ad\u03c4\u03b7\u03c2, \u03ba\u03b1\u03b8\u03ce\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03c5\u03c7\u03cc\u03bd \u03c0\u03c1\u03bf\u03b2\u03bb\u03ae\u03bc\u03b1\u03c4\u03b1 \u03ae \u03b6\u03b7\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c0\u03bf\u03c5 \u03c0\u03c1\u03bf\u03ba\u03cd\u03c0\u03c4\u03bf\u03c5\u03bd.<\/p>\n\n\n\n<h3 id=\"h-step-5-analyze-the-data\">\u0392\u03ae\u03bc\u03b1 5 - \u0391\u03bd\u03b1\u03bb\u03cd\u03c3\u03c4\u03b5 \u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1<\/h3>\n\n\n\n<p>\u0391\u03bd\u03b1\u03bb\u03cd\u03c3\u03c4\u03b5 \u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03c4\u03b7\u03c2 \u03c0\u03b9\u03bb\u03bf\u03c4\u03b9\u03ba\u03ae\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae\u03c2 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b5\u03bd\u03c4\u03bf\u03c0\u03af\u03c3\u03b5\u03c4\u03b5 \u03c4\u03c5\u03c7\u03cc\u03bd \u03c0\u03c1\u03bf\u03b2\u03bb\u03ae\u03bc\u03b1\u03c4\u03b1 \u03ae \u03b6\u03b7\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1, \u03bd\u03b1 \u03b2\u03b5\u03bb\u03c4\u03b9\u03ce\u03c3\u03b5\u03c4\u03b5 \u03c4\u03b9\u03c2 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b5\u03c2 \u03c4\u03b7\u03c2 \u03bc\u03b5\u03bb\u03ad\u03c4\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03b5\u03ba\u03c4\u03b9\u03bc\u03ae\u03c3\u03b5\u03c4\u03b5 \u03c4\u03bf \u03bc\u03ad\u03b3\u03b5\u03b8\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03b4\u03b5\u03af\u03b3\u03bc\u03b1\u03c4\u03bf\u03c2 \u03c0\u03bf\u03c5 \u03b1\u03c0\u03b1\u03b9\u03c4\u03b5\u03af\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03ba\u03cd\u03c1\u03b9\u03b1 \u03bc\u03b5\u03bb\u03ad\u03c4\u03b7.<\/p>\n\n\n\n<h3 id=\"h-step-6-report-the-results\">\u0392\u03ae\u03bc\u03b1 6 - \u0391\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac \u03c4\u03c9\u03bd \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03ac\u03c4\u03c9\u03bd<\/h3>\n\n\n\n<p>\u0391\u03bd\u03b1\u03c6\u03ad\u03c1\u03b5\u03c4\u03b5 \u03c4\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1 \u03c4\u03b7\u03c2 \u03c0\u03b9\u03bb\u03bf\u03c4\u03b9\u03ba\u03ae\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae\u03c2, \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03b1\u03bd\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03c4\u03c5\u03c7\u03cc\u03bd \u03c4\u03c1\u03bf\u03c0\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03b5\u03c9\u03bd \u03c0\u03bf\u03c5 \u03ad\u03b3\u03b9\u03bd\u03b1\u03bd \u03c3\u03c4\u03b9\u03c2 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b5\u03c2, \u03c4\u03b1 \u03bc\u03ad\u03c3\u03b1 \u03ae \u03c4\u03b9\u03c2 \u03c0\u03b1\u03c1\u03b5\u03bc\u03b2\u03ac\u03c3\u03b5\u03b9\u03c2 \u03c4\u03b7\u03c2 \u03bc\u03b5\u03bb\u03ad\u03c4\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03c5\u03c7\u03cc\u03bd \u03b4\u03b9\u03b4\u03ac\u03b3\u03bc\u03b1\u03c4\u03b1 \u03c0\u03bf\u03c5 \u03b1\u03bd\u03c4\u03bb\u03ae\u03b8\u03b7\u03ba\u03b1\u03bd \u03ba\u03b1\u03c4\u03ac \u03c4\u03b7 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 \u03c4\u03b7\u03c2 \u03c0\u03b9\u03bb\u03bf\u03c4\u03b9\u03ba\u03ae\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae\u03c2.<\/p>\n\n\n\n<h2 id=\"h-steps-after-evaluation-of-pilot-testing\"><strong>\u0392\u03ae\u03bc\u03b1\u03c4\u03b1 \u03bc\u03b5\u03c4\u03ac \u03c4\u03b7\u03bd \u03b1\u03be\u03b9\u03bf\u03bb\u03cc\u03b3\u03b7\u03c3\u03b7 \u03c4\u03c9\u03bd \u03c0\u03b9\u03bb\u03bf\u03c4\u03b9\u03ba\u03ce\u03bd \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd<\/strong><\/h2>\n\n\n\n<p>\u039c\u03b5\u03c4\u03ac \u03c4\u03b7\u03bd \u03b1\u03be\u03b9\u03bf\u03bb\u03cc\u03b3\u03b7\u03c3\u03b7 \u03bc\u03b9\u03b1\u03c2 \u03c0\u03b9\u03bb\u03bf\u03c4\u03b9\u03ba\u03ae\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae\u03c2, \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03b1\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03b7\u03b8\u03bf\u03cd\u03bd \u03c4\u03b1 \u03b1\u03ba\u03cc\u03bb\u03bf\u03c5\u03b8\u03b1 \u03b2\u03ae\u03bc\u03b1\u03c4\u03b1:<\/p>\n\n\n\n<h3 id=\"h-identify-potential-risks\">\u0395\u03bd\u03c4\u03bf\u03c0\u03b9\u03c3\u03bc\u03cc\u03c2 \u03c0\u03b9\u03b8\u03b1\u03bd\u03ce\u03bd \u03ba\u03b9\u03bd\u03b4\u03cd\u03bd\u03c9\u03bd<\/h3>\n\n\n\n<p>\u039c\u03b5 \u03b2\u03ac\u03c3\u03b7 \u03c4\u03b1 \u03b5\u03c5\u03c1\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c4\u03b7\u03c2 \u03c0\u03b9\u03bb\u03bf\u03c4\u03b9\u03ba\u03ae\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae\u03c2, \u03c0\u03c1\u03bf\u03c3\u03b4\u03b9\u03bf\u03c1\u03af\u03c3\u03c4\u03b5 \u03c4\u03c5\u03c7\u03cc\u03bd \u03c0\u03b9\u03b8\u03b1\u03bd\u03bf\u03cd\u03c2 \u03ba\u03b9\u03bd\u03b4\u03cd\u03bd\u03bf\u03c5\u03c2 \u03ae \u03b6\u03b7\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1 \u03c0\u03bf\u03c5 \u03b8\u03b1 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03c3\u03b1\u03bd \u03bd\u03b1 \u03c0\u03c1\u03bf\u03ba\u03cd\u03c8\u03bf\u03c5\u03bd \u03ba\u03b1\u03c4\u03ac \u03c4\u03b7 \u03b4\u03b9\u03ac\u03c1\u03ba\u03b5\u03b9\u03b1 \u03c4\u03b7\u03c2 \u03b5\u03c5\u03c1\u03cd\u03c4\u03b5\u03c1\u03b7\u03c2 \u03bc\u03b5\u03bb\u03ad\u03c4\u03b7\u03c2. \u0391\u03c5\u03c4\u03ac \u03b8\u03b1 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03c3\u03b1\u03bd \u03bd\u03b1 \u03c0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03bf\u03c5\u03bd \u03c0\u03c1\u03bf\u03b2\u03bb\u03ae\u03bc\u03b1\u03c4\u03b1 \u03bc\u03b5 \u03c4\u03b7\u03bd \u03c0\u03c1\u03bf\u03c3\u03ad\u03bb\u03ba\u03c5\u03c3\u03b7, \u03c4\u03b7 \u03b4\u03b9\u03b1\u03c4\u03ae\u03c1\u03b7\u03c3\u03b7, \u03c4\u03b7 \u03c3\u03c5\u03bb\u03bb\u03bf\u03b3\u03ae \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03ae \u03c4\u03b7\u03bd \u03af\u03b4\u03b9\u03b1 \u03c4\u03b7\u03bd \u03c0\u03b1\u03c1\u03ad\u03bc\u03b2\u03b1\u03c3\u03b7. \u039b\u03ac\u03b2\u03b5\u03c4\u03b5 \u03bc\u03ad\u03c4\u03c1\u03b1 \u03b3\u03b9\u03b1 \u03c4\u03bf\u03bd \u03bc\u03b5\u03c4\u03c1\u03b9\u03b1\u03c3\u03bc\u03cc \u03b1\u03c5\u03c4\u03ce\u03bd \u03c4\u03c9\u03bd \u03ba\u03b9\u03bd\u03b4\u03cd\u03bd\u03c9\u03bd \u03ba\u03b1\u03b9 \u03b1\u03bd\u03b1\u03c0\u03c4\u03cd\u03be\u03c4\u03b5 \u03c3\u03c7\u03ad\u03b4\u03b9\u03b1 \u03ad\u03ba\u03c4\u03b1\u03ba\u03c4\u03b7\u03c2 \u03b1\u03bd\u03ac\u03b3\u03ba\u03b7\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b1\u03bd\u03c4\u03b9\u03bc\u03b5\u03c4\u03ce\u03c0\u03b9\u03c3\u03b7 \u03c4\u03c5\u03c7\u03cc\u03bd \u03c0\u03c1\u03bf\u03b2\u03bb\u03b7\u03bc\u03ac\u03c4\u03c9\u03bd \u03c0\u03bf\u03c5 \u03b5\u03bd\u03b4\u03ad\u03c7\u03b5\u03c4\u03b1\u03b9 \u03bd\u03b1 \u03c0\u03c1\u03bf\u03ba\u03cd\u03c8\u03bf\u03c5\u03bd.<\/p>\n\n\n\n<h3 id=\"h-analyze-pilot-results\">\u0391\u03bd\u03ac\u03bb\u03c5\u03c3\u03b7 \u03c4\u03c9\u03bd \u03c0\u03b9\u03bb\u03bf\u03c4\u03b9\u03ba\u03ce\u03bd \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03ac\u03c4\u03c9\u03bd<\/h3>\n\n\n\n<p>\u0391\u03bd\u03b1\u03bb\u03cd\u03c3\u03c4\u03b5 \u03c4\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1 \u03c4\u03b7\u03c2 \u03c0\u03b9\u03bb\u03bf\u03c4\u03b9\u03ba\u03ae\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae\u03c2 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03c0\u03c1\u03bf\u03c3\u03b4\u03b9\u03bf\u03c1\u03af\u03c3\u03b5\u03c4\u03b5 \u03c4\u03b7 \u03c3\u03ba\u03bf\u03c0\u03b9\u03bc\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c4\u03b7\u03c2 \u03c3\u03c5\u03bd\u03ad\u03c7\u03b9\u03c3\u03b7\u03c2 \u03c4\u03b7\u03c2 \u03b5\u03c5\u03c1\u03cd\u03c4\u03b5\u03c1\u03b7\u03c2 \u03bc\u03b5\u03bb\u03ad\u03c4\u03b7\u03c2. \u0391\u03be\u03b9\u03bf\u03bb\u03bf\u03b3\u03ae\u03c3\u03c4\u03b5 \u03ba\u03b1\u03c4\u03ac \u03c0\u03cc\u03c3\u03bf\u03bd \u03b7 \u03c0\u03b1\u03c1\u03ad\u03bc\u03b2\u03b1\u03c3\u03b7 \u03ae\u03c4\u03b1\u03bd \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae \u03ba\u03b1\u03b9 \u03ba\u03b1\u03c4\u03ac \u03c0\u03cc\u03c3\u03bf\u03bd \u03b1\u03c0\u03b1\u03b9\u03c4\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03c4\u03c1\u03bf\u03c0\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03b5\u03b9\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03b2\u03b5\u03bb\u03c4\u03af\u03c9\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03c0\u03b1\u03c1\u03ad\u03bc\u03b2\u03b1\u03c3\u03b7\u03c2 \u03ae \u03c4\u03bf\u03c5 \u03c3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u03bc\u03bf\u03cd \u03c4\u03b7\u03c2 \u03bc\u03b5\u03bb\u03ad\u03c4\u03b7\u03c2.<\/p>\n\n\n\n<h3 id=\"h-develop-data-collection-and-analysis-methods\">\u0391\u03bd\u03ac\u03c0\u03c4\u03c5\u03be\u03b7 \u03bc\u03b5\u03b8\u03cc\u03b4\u03c9\u03bd \u03c3\u03c5\u03bb\u03bb\u03bf\u03b3\u03ae\u03c2 \u03ba\u03b1\u03b9 \u03b1\u03bd\u03ac\u03bb\u03c5\u03c3\u03b7\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd<\/h3>\n\n\n\n<p>\u039c\u03b5 \u03b2\u03ac\u03c3\u03b7 \u03c4\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1 \u03c4\u03b7\u03c2 \u03c0\u03b9\u03bb\u03bf\u03c4\u03b9\u03ba\u03ae\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae\u03c2, \u03b2\u03b5\u03bb\u03c4\u03b9\u03ce\u03c3\u03c4\u03b5 \u03c4\u03b9\u03c2 \u03bc\u03b5\u03b8\u03cc\u03b4\u03bf\u03c5\u03c2 \u03c3\u03c5\u03bb\u03bb\u03bf\u03b3\u03ae\u03c2 \u03ba\u03b1\u03b9 \u03b1\u03bd\u03ac\u03bb\u03c5\u03c3\u03b7\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03bc\u03b5\u03bb\u03ad\u03c4\u03b7. \u0391\u03c5\u03c4\u03cc \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03b5\u03b9 \u03b1\u03bb\u03bb\u03b1\u03b3\u03ad\u03c2 \u03c3\u03c4\u03b1 \u03bc\u03ad\u03c3\u03b1 \u03c3\u03c5\u03bb\u03bb\u03bf\u03b3\u03ae\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03ae \u03c3\u03c4\u03b9\u03c2 \u03bc\u03b5\u03b8\u03cc\u03b4\u03bf\u03c5\u03c2 \u03b1\u03bd\u03ac\u03bb\u03c5\u03c3\u03b7\u03c2, \u03ce\u03c3\u03c4\u03b5 \u03bd\u03b1 \u03b4\u03b9\u03b1\u03c3\u03c6\u03b1\u03bb\u03b9\u03c3\u03c4\u03b5\u03af \u03cc\u03c4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ac, \u03b1\u03be\u03b9\u03cc\u03c0\u03b9\u03c3\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03b5\u03c6\u03b9\u03ba\u03c4\u03ac.<\/p>\n\n\n\n<h3 id=\"h-make-changes-to-the-intervention\">\u03a0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03b1\u03bb\u03bb\u03b1\u03b3\u03ce\u03bd \u03c3\u03c4\u03b7\u03bd \u03c0\u03b1\u03c1\u03ad\u03bc\u03b2\u03b1\u03c3\u03b7<\/h3>\n\n\n\n<p>\u03a0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03c4\u03b5 \u03c4\u03c5\u03c7\u03cc\u03bd \u03b1\u03bd\u03b1\u03b3\u03ba\u03b1\u03af\u03b5\u03c2 \u03c4\u03c1\u03bf\u03c0\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03b5\u03b9\u03c2 \u03ae \u03c0\u03c1\u03bf\u03c3\u03b1\u03c1\u03bc\u03bf\u03b3\u03ad\u03c2 \u03c3\u03c4\u03b7\u03bd \u03c0\u03b1\u03c1\u03ad\u03bc\u03b2\u03b1\u03c3\u03b7. \u0391\u03c5\u03c4\u03cc \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03b5\u03b9 \u03b1\u03bb\u03bb\u03b1\u03b3\u03ad\u03c2 \u03c3\u03c4\u03bf \u03c0\u03c1\u03c9\u03c4\u03cc\u03ba\u03bf\u03bb\u03bb\u03bf \u03c4\u03b7\u03c2 \u03c0\u03b1\u03c1\u03ad\u03bc\u03b2\u03b1\u03c3\u03b7\u03c2, \u03c3\u03c4\u03b1 \u03c5\u03bb\u03b9\u03ba\u03ac \u03ae \u03c3\u03c4\u03b9\u03c2 \u03bc\u03b5\u03b8\u03cc\u03b4\u03bf\u03c5\u03c2 \u03c5\u03bb\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03b2\u03b5\u03bb\u03c4\u03af\u03c9\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03c2 \u03b5\u03c6\u03b9\u03ba\u03c4\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2.<\/p>\n\n\n\n<h3 id=\"h-develop-a-detailed-study-protocol\">\u0391\u03bd\u03ac\u03c0\u03c4\u03c5\u03be\u03b7 \u03bb\u03b5\u03c0\u03c4\u03bf\u03bc\u03b5\u03c1\u03bf\u03cd\u03c2 \u03c0\u03c1\u03c9\u03c4\u03bf\u03ba\u03cc\u03bb\u03bb\u03bf\u03c5 \u03bc\u03b5\u03bb\u03ad\u03c4\u03b7\u03c2<\/h3>\n\n\n\n<p>\u0391\u03bd\u03b1\u03c0\u03c4\u03cd\u03be\u03c4\u03b5 \u03ad\u03bd\u03b1 \u03bb\u03b5\u03c0\u03c4\u03bf\u03bc\u03b5\u03c1\u03ad\u03c2 \u03c0\u03c1\u03c9\u03c4\u03cc\u03ba\u03bf\u03bb\u03bb\u03bf \u03bc\u03b5\u03bb\u03ad\u03c4\u03b7\u03c2 \u03c0\u03bf\u03c5 \u03c0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03b5\u03b9 \u03cc\u03bb\u03b1 \u03c4\u03b1 \u03b1\u03c0\u03b1\u03c1\u03b1\u03af\u03c4\u03b7\u03c4\u03b1 \u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af\u03b1 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03b4\u03b9\u03b5\u03be\u03b1\u03b3\u03c9\u03b3\u03ae \u03c4\u03b7\u03c2 \u03b5\u03c5\u03c1\u03cd\u03c4\u03b5\u03c1\u03b7\u03c2 \u03bc\u03b5\u03bb\u03ad\u03c4\u03b7\u03c2, \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03b1\u03bd\u03bf\u03bc\u03ad\u03bd\u03bf\u03c5 \u03c4\u03bf\u03c5 \u03c3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u03bc\u03bf\u03cd \u03c4\u03b7\u03c2 \u03bc\u03b5\u03bb\u03ad\u03c4\u03b7\u03c2, \u03c4\u03b7\u03c2 \u03c3\u03c5\u03bb\u03bb\u03bf\u03b3\u03ae\u03c2 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03ba\u03b1\u03b9 \u03c4\u03c9\u03bd \u03bc\u03b5\u03b8\u03cc\u03b4\u03c9\u03bd \u03b1\u03bd\u03ac\u03bb\u03c5\u03c3\u03b7\u03c2, \u03ba\u03b1\u03b8\u03ce\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03c9\u03bd \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03b9\u03ce\u03bd \u03c0\u03c1\u03cc\u03c3\u03bb\u03b7\u03c8\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03b4\u03b9\u03b1\u03c4\u03ae\u03c1\u03b7\u03c3\u03b7\u03c2.<\/p>\n\n\n\n<h2 id=\"h-benefits-of-pilot-testing\"><strong>\u039f\u03c6\u03ad\u03bb\u03b7 \u03c4\u03c9\u03bd \u03c0\u03b9\u03bb\u03bf\u03c4\u03b9\u03ba\u03ce\u03bd \u03b4\u03bf\u03ba\u03b9\u03bc\u03ce\u03bd<\/strong><\/h2>\n\n\n\n<p>\u039f\u03b9 \u03c0\u03b9\u03bb\u03bf\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 \u03c0\u03c1\u03bf\u03c3\u03c6\u03ad\u03c1\u03bf\u03c5\u03bd \u03c0\u03bf\u03bb\u03bb\u03ac \u03bf\u03c6\u03ad\u03bb\u03b7 \u03c3\u03c4\u03b7\u03bd \u03ad\u03c1\u03b5\u03c5\u03bd\u03b1, \u03cc\u03c0\u03c9\u03c2:<\/p>\n\n\n\n<p><strong>\u039c\u03ac\u03b8\u03b5\u03c4\u03b5 \u03b3\u03b9\u03b1 \u03c4\u03b9\u03c2 \u03bc\u03b5\u03b8\u03cc\u03b4\u03bf\u03c5\u03c2 \u03bc\u03b5\u03bb\u03ad\u03c4\u03b7\u03c2: <\/strong>\u0397 \u03c0\u03b9\u03bb\u03bf\u03c4\u03b9\u03ba\u03ae \u03b4\u03bf\u03ba\u03b9\u03bc\u03ae \u03c0\u03b1\u03c1\u03ad\u03c7\u03b5\u03b9 \u03c4\u03b7\u03bd \u03b5\u03c5\u03ba\u03b1\u03b9\u03c1\u03af\u03b1 \u03bd\u03b1 \u03bc\u03ac\u03b8\u03bf\u03c5\u03bc\u03b5 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03b1 \u03b3\u03b9\u03b1 \u03c4\u03b9\u03c2 \u03bc\u03b5\u03b8\u03cc\u03b4\u03bf\u03c5\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b9\u03c2 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b5\u03c2 \u03c4\u03b7\u03c2 \u03bc\u03b5\u03bb\u03ad\u03c4\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03ba\u03b1\u03c4\u03b1\u03bd\u03bf\u03ae\u03c3\u03bf\u03c5\u03bc\u03b5 \u03ba\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b1 \u03c0\u03ce\u03c2 \u03b8\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae \u03bc\u03b5\u03bb\u03ad\u03c4\u03b7.&nbsp;<\/p>\n\n\n\n<p><strong>\u0391\u03c0\u03bf\u03c6\u03cd\u03b3\u03b5\u03c4\u03b5 \u03b4\u03b1\u03c0\u03b1\u03bd\u03b7\u03c1\u03ac \u03c3\u03c6\u03ac\u03bb\u03bc\u03b1\u03c4\u03b1: <\/strong>\u039f\u03b9 \u03c0\u03b9\u03bb\u03bf\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03b2\u03bf\u03b7\u03b8\u03ae\u03c3\u03bf\u03c5\u03bd \u03c3\u03c4\u03bf\u03bd \u03b5\u03bd\u03c4\u03bf\u03c0\u03b9\u03c3\u03bc\u03cc \u03c0\u03b9\u03b8\u03b1\u03bd\u03ce\u03bd \u03c3\u03c6\u03b1\u03bb\u03bc\u03ac\u03c4\u03c9\u03bd \u03ae \u03c0\u03c1\u03bf\u03b2\u03bb\u03b7\u03bc\u03ac\u03c4\u03c9\u03bd \u03c0\u03bf\u03c5 \u03b8\u03b1 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03c3\u03b1\u03bd \u03bd\u03b1 \u03b5\u03c0\u03b7\u03c1\u03b5\u03ac\u03c3\u03bf\u03c5\u03bd \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 \u03ae \u03bd\u03b1 \u03b5\u03bc\u03c0\u03bf\u03b4\u03af\u03c3\u03bf\u03c5\u03bd \u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03c4\u03c5\u03c7\u03ae \u03bf\u03bb\u03bf\u03ba\u03bb\u03ae\u03c1\u03c9\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03bc\u03b5\u03bb\u03ad\u03c4\u03b7\u03c2. \u039c\u03b5 \u03c4\u03bf\u03bd \u03ad\u03b3\u03ba\u03b1\u03b9\u03c1\u03bf \u03b5\u03bd\u03c4\u03bf\u03c0\u03b9\u03c3\u03bc\u03cc \u03b1\u03c5\u03c4\u03ce\u03bd \u03c4\u03c9\u03bd \u03b6\u03b7\u03c4\u03b7\u03bc\u03ac\u03c4\u03c9\u03bd, \u03bf\u03b9 \u03b5\u03c1\u03b5\u03c5\u03bd\u03b7\u03c4\u03ad\u03c2 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03bb\u03ac\u03b2\u03bf\u03c5\u03bd \u03bc\u03ad\u03c4\u03c1\u03b1 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03b4\u03b9\u03cc\u03c1\u03b8\u03c9\u03c3\u03ae \u03c4\u03bf\u03c5\u03c2 \u03c0\u03c1\u03b9\u03bd \u03b1\u03c0\u03cc \u03c4\u03b7 \u03b4\u03b9\u03b5\u03be\u03b1\u03b3\u03c9\u03b3\u03ae \u03c4\u03b7\u03c2 \u03bc\u03b5\u03bb\u03ad\u03c4\u03b7\u03c2 \u03c0\u03bb\u03ae\u03c1\u03bf\u03c5\u03c2 \u03ba\u03bb\u03af\u03bc\u03b1\u03ba\u03b1\u03c2, \u03b5\u03be\u03bf\u03b9\u03ba\u03bf\u03bd\u03bf\u03bc\u03ce\u03bd\u03c4\u03b1\u03c2 \u03b5\u03bd\u03b4\u03b5\u03c7\u03bf\u03bc\u03ad\u03bd\u03c9\u03c2 \u03c7\u03c1\u03cc\u03bd\u03bf \u03ba\u03b1\u03b9 \u03c0\u03cc\u03c1\u03bf\u03c5\u03c2.<\/p>\n\n\n\n<p><strong>\u0395\u03be\u03b1\u03c3\u03c6\u03ac\u03bb\u03b9\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03c3\u03ba\u03bf\u03c0\u03b9\u03bc\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03c4\u03b7\u03c2 \u03bc\u03b5\u03bb\u03ad\u03c4\u03b7\u03c2:<\/strong><em> <\/em>\u039f\u03b9 \u03c0\u03b9\u03bb\u03bf\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03b2\u03bf\u03b7\u03b8\u03ae\u03c3\u03bf\u03c5\u03bd \u03bd\u03b1 \u03b4\u03b9\u03b1\u03c3\u03c6\u03b1\u03bb\u03b9\u03c3\u03c4\u03b5\u03af \u03cc\u03c4\u03b9 \u03b7 \u03bc\u03b5\u03bb\u03ad\u03c4\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c1\u03b5\u03b1\u03bb\u03b9\u03c3\u03c4\u03b9\u03ba\u03ae \u03ba\u03b1\u03b9 \u03b5\u03c6\u03b9\u03ba\u03c4\u03ae \u03bc\u03b5 \u03b2\u03ac\u03c3\u03b7 \u03c4\u03b1 \u03c4\u03c1\u03ad\u03c7\u03bf\u03bd\u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03ba\u03b1\u03b9 \u03b4\u03c5\u03bd\u03b1\u03c4\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2. \u0391\u03c5\u03c4\u03cc \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b2\u03bf\u03b7\u03b8\u03ae\u03c3\u03b5\u03b9 \u03c3\u03c4\u03bf\u03bd \u03b5\u03bd\u03c4\u03bf\u03c0\u03b9\u03c3\u03bc\u03cc \u03c0\u03b9\u03b8\u03b1\u03bd\u03ce\u03bd \u03c0\u03c1\u03bf\u03ba\u03bb\u03ae\u03c3\u03b5\u03c9\u03bd \u03ae \u03c0\u03b5\u03c1\u03b9\u03bf\u03c1\u03b9\u03c3\u03bc\u03ce\u03bd \u03c0\u03bf\u03c5 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c0\u03c1\u03bf\u03ba\u03cd\u03c8\u03bf\u03c5\u03bd \u03ba\u03b1\u03c4\u03ac \u03c4\u03b7 \u03b4\u03b9\u03ac\u03c1\u03ba\u03b5\u03b9\u03b1 \u03c4\u03b7\u03c2 \u03bc\u03b5\u03bb\u03ad\u03c4\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03c3\u03c4\u03b7\u03bd \u03b1\u03bd\u03ac\u03c0\u03c4\u03c5\u03be\u03b7 \u03c3\u03c4\u03c1\u03b1\u03c4\u03b7\u03b3\u03b9\u03ba\u03ce\u03bd \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b1\u03bd\u03c4\u03b9\u03bc\u03b5\u03c4\u03ce\u03c0\u03b9\u03c3\u03ae \u03c4\u03bf\u03c5\u03c2.<\/p>\n\n\n\n<p><strong>\u0391\u03c0\u03bf\u03ba\u03c4\u03ae\u03c3\u03c4\u03b5 \u03c0\u03c1\u03ce\u03b9\u03bc\u03b5\u03c2 \u03b3\u03bd\u03ce\u03c3\u03b5\u03b9\u03c2:<\/strong> \u039f\u03b9 \u03c0\u03b9\u03bb\u03bf\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03b4\u03ce\u03c3\u03bf\u03c5\u03bd \u03c0\u03c1\u03ce\u03b9\u03bc\u03b5\u03c2 \u03c0\u03bb\u03b7\u03c1\u03bf\u03c6\u03bf\u03c1\u03af\u03b5\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b1 \u03c0\u03b9\u03b8\u03b1\u03bd\u03ac \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1 \u03bc\u03b9\u03b1\u03c2 \u03bc\u03b5\u03bb\u03ad\u03c4\u03b7\u03c2 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7\u03c2 \u03ba\u03bb\u03af\u03bc\u03b1\u03ba\u03b1\u03c2. \u0391\u03c5\u03c4\u03cc \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b2\u03bf\u03b7\u03b8\u03ae\u03c3\u03b5\u03b9 \u03c4\u03bf\u03c5\u03c2 \u03b5\u03c1\u03b5\u03c5\u03bd\u03b7\u03c4\u03ad\u03c2 \u03bd\u03b1 \u03b2\u03b5\u03bb\u03c4\u03b9\u03ce\u03c3\u03bf\u03c5\u03bd \u03c4\u03b1 \u03b5\u03c1\u03b5\u03c5\u03bd\u03b7\u03c4\u03b9\u03ba\u03ac \u03b5\u03c1\u03c9\u03c4\u03ae\u03bc\u03b1\u03c4\u03b1, \u03c4\u03b9\u03c2 \u03c5\u03c0\u03bf\u03b8\u03ad\u03c3\u03b5\u03b9\u03c2 \u03ae \u03c4\u03b9\u03c2 \u03c0\u03b1\u03c1\u03b5\u03bc\u03b2\u03ac\u03c3\u03b5\u03b9\u03c2 \u03c4\u03bf\u03c5\u03c2 \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03c0\u03c1\u03bf\u03c3\u03b1\u03c1\u03bc\u03cc\u03c3\u03bf\u03c5\u03bd \u03b1\u03bd\u03ac\u03bb\u03bf\u03b3\u03b1 \u03c4\u03bf \u03c3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u03bc\u03cc \u03c4\u03b7\u03c2 \u03bc\u03b5\u03bb\u03ad\u03c4\u03b7\u03c2.<\/p>\n\n\n\n<h2 id=\"h-unleash-the-power-of-infographics-with-mind-the-graph\"><strong>\u0391\u03c0\u03b5\u03bb\u03b5\u03c5\u03b8\u03b5\u03c1\u03ce\u03c3\u03c4\u03b5 \u03c4\u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03c4\u03c9\u03bd Infographics \u03bc\u03b5 \u03c4\u03bf Mind the Graph<\/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 \u03bc\u03b9\u03b1 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03c4\u03c5\u03b1\u03ba\u03ae \u03c0\u03bb\u03b1\u03c4\u03c6\u03cc\u03c1\u03bc\u03b1 \u03c0\u03bf\u03c5 \u03ad\u03c7\u03b5\u03b9 \u03c3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u03c4\u03b5\u03af \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b2\u03bf\u03b7\u03b8\u03ac \u03c4\u03bf\u03c5\u03c2 \u03b5\u03c0\u03b9\u03c3\u03c4\u03ae\u03bc\u03bf\u03bd\u03b5\u03c2 \u03ba\u03b1\u03b9 \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 \u03b3\u03c1\u03ae\u03b3\u03bf\u03c1\u03b1 \u03ba\u03b1\u03b9 \u03b5\u03cd\u03ba\u03bf\u03bb\u03b1 \u03b5\u03c0\u03b9\u03c3\u03c4\u03b7\u03bc\u03bf\u03bd\u03b9\u03ba\u03ac infographics \u03c5\u03c8\u03b7\u03bb\u03ae\u03c2 \u03c0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2. \u039c\u03b5 \u03c4\u03bf Mind the Graph, \u03bf\u03b9 \u03c7\u03c1\u03ae\u03c3\u03c4\u03b5\u03c2 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03b5\u03c0\u03b9\u03bb\u03ad\u03be\u03bf\u03c5\u03bd \u03b1\u03c0\u03cc \u03ad\u03bd\u03b1 \u03b5\u03c5\u03c1\u03cd \u03c6\u03ac\u03c3\u03bc\u03b1 \u03c0\u03c1\u03bf\u03c3\u03b1\u03c1\u03bc\u03cc\u03c3\u03b9\u03bc\u03c9\u03bd \u03c0\u03c1\u03bf\u03c4\u03cd\u03c0\u03c9\u03bd \u03ba\u03b1\u03b9 \u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af\u03c9\u03bd \u03c3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u03bc\u03bf\u03cd \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03ae\u03c3\u03bf\u03c5\u03bd \u03b5\u03bb\u03ba\u03c5\u03c3\u03c4\u03b9\u03ba\u03ad\u03c2 \u03ba\u03b1\u03b9 \u03bf\u03c0\u03c4\u03b9\u03ba\u03ac \u03b5\u03bb\u03ba\u03c5\u03c3\u03c4\u03b9\u03ba\u03ad\u03c2 infographics \u03c0\u03bf\u03c5 \u03b5\u03c0\u03b9\u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03bf\u03cd\u03bd \u03c3\u03cd\u03bd\u03b8\u03b5\u03c4\u03b5\u03c2 \u03b5\u03c0\u03b9\u03c3\u03c4\u03b7\u03bc\u03bf\u03bd\u03b9\u03ba\u03ad\u03c2 \u03ad\u03bd\u03bd\u03bf\u03b9\u03b5\u03c2 \u03bc\u03b5 \u03c3\u03b1\u03c6\u03ae \u03ba\u03b1\u03b9 \u03c0\u03c1\u03bf\u03c3\u03b9\u03c4\u03cc \u03c4\u03c1\u03cc\u03c0\u03bf. \u0397 \u03c0\u03bb\u03b1\u03c4\u03c6\u03cc\u03c1\u03bc\u03b1 \u03c0\u03c1\u03bf\u03c3\u03c6\u03ad\u03c1\u03b5\u03b9 \u03bc\u03b9\u03b1 \u03c0\u03bf\u03b9\u03ba\u03b9\u03bb\u03af\u03b1 \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03c9\u03bd \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b2\u03bf\u03b7\u03b8\u03ae\u03c3\u03b5\u03b9 \u03c4\u03bf\u03c5\u03c2 \u03c7\u03c1\u03ae\u03c3\u03c4\u03b5\u03c2 \u03bd\u03b1 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03ae\u03c3\u03bf\u03c5\u03bd infographics \u03c0\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03c1\u03bf\u03c3\u03b1\u03c1\u03bc\u03bf\u03c3\u03bc\u03ad\u03bd\u03b1 \u03c3\u03c4\u03b9\u03c2 \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03b5\u03c2 \u03b1\u03bd\u03ac\u03b3\u03ba\u03b5\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\"><img decoding=\"async\" loading=\"lazy\" width=\"517\" height=\"250\" src=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/03\/illustrations-banner.webp\" alt=\"\" class=\"wp-image-27276\" srcset=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/03\/illustrations-banner.webp 517w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/03\/illustrations-banner-300x145.webp 300w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/03\/illustrations-banner-18x9.webp 18w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/03\/illustrations-banner-100x48.webp 100w\" sizes=\"(max-width: 517px) 100vw, 517px\" \/><\/a><\/figure><\/div>\n\n\n<div style=\"height:21px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"is-layout-flex wp-block-buttons\">\n<div class=\"wp-block-button aligncenter\"><a class=\"wp-block-button__link has-background wp-element-button\" href=\"https:\/\/mindthegraph.com\/\" style=\"border-radius:50px;background-color:#dc1866\" target=\"_blank\" rel=\"noreferrer noopener\">\u039e\u03b5\u03ba\u03b9\u03bd\u03ae\u03c3\u03c4\u03b5 \u03bd\u03b1 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03b5\u03af\u03c4\u03b5 \u03bc\u03b5 \u03c4\u03bf Mind the Graph<\/a><\/div>\n<\/div>\n\n\n\n<div style=\"height:44px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>","protected":false},"excerpt":{"rendered":"<p>\u039a\u03b1\u03c4\u03b1\u03bd\u03bf\u03ae\u03c3\u03c4\u03b5 \u03c0\u03ce\u03c2 \u03bf\u03b9 \u03c0\u03b9\u03bb\u03bf\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 \u03b2\u03bf\u03b7\u03b8\u03bf\u03cd\u03bd \u03c4\u03bf\u03c5\u03c2 \u03b5\u03c1\u03b5\u03c5\u03bd\u03b7\u03c4\u03ad\u03c2 \u03c3\u03b5 \u03cc\u03bb\u03b7 \u03c4\u03b7\u03bd \u03b5\u03c1\u03b5\u03c5\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 \u03ba\u03b1\u03b9 \u03c0\u03ce\u03c2 \u03bd\u03b1 \u03ad\u03c7\u03b5\u03c4\u03b5 \u03c4\u03b1 \u03ba\u03b1\u03c4\u03ac\u03bb\u03bb\u03b7\u03bb\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1.<\/p>","protected":false},"author":35,"featured_media":29360,"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>The Benefits of Pilot Testing in Research Studies - Mind the Graph Blog<\/title>\n<meta name=\"description\" content=\"Understand how pilot testing helps researchers all over the research process, and how to get proper outcomes.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mindthegraph.com\/blog\/el\/\u03c0\u03b9\u03bb\u03bf\u03c4\u03b9\u03ba\u03ad\u03c2-\u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2-\u03c3\u03c4\u03b7\u03bd-\u03ad\u03c1\u03b5\u03c5\u03bd\u03b1\/\" \/>\n<meta property=\"og:locale\" content=\"el_GR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The Benefits of Pilot Testing in Research Studies\" \/>\n<meta property=\"og:description\" content=\"Understand how pilot testing helps researchers all over the research process, and how to get proper outcomes.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/mindthegraph.com\/blog\/el\/\u03c0\u03b9\u03bb\u03bf\u03c4\u03b9\u03ba\u03ad\u03c2-\u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2-\u03c3\u03c4\u03b7\u03bd-\u03ad\u03c1\u03b5\u03c5\u03bd\u03b1\/\" \/>\n<meta property=\"og:site_name\" content=\"Mind the Graph Blog\" \/>\n<meta property=\"article:published_time\" content=\"2023-09-05T17:54:03+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-09-05T18:03:47+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/09\/pilot-testing-in-research.png\" \/>\n\t<meta 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