{"id":26981,"date":"2023-02-25T15:58:28","date_gmt":"2023-02-25T18:58:28","guid":{"rendered":"https:\/\/mindthegraph.com\/blog\/?p=26981"},"modified":"2023-03-07T16:13:17","modified_gmt":"2023-03-07T19:13:17","slug":"research-variables","status":"publish","type":"post","link":"https:\/\/mindthegraph.com\/blog\/lv\/petijuma-mainigie\/","title":{"rendered":"P\u0113t\u012bjuma main\u012bgie lielumi: Ne parast\u0101s matem\u0101tikas lietas"},"content":{"rendered":"<p>Redzot terminu \"main\u012bgais\", j\u016bs, iesp\u0113jams, atcer\u0113j\u0101ties skolas laikus, kad algebr\u0101 n\u0101c\u0101s risin\u0101t t\u0101 sauktos main\u012bgos. Ak, pagaidiet... \"main\u012bgais\", ko m\u0113s \u0161eit m\u0101c\u012bsimies, ir at\u0161\u0137ir\u012bgs. T\u0101tad, atp\u016btieties!<\/p>\n\n\n\n<p>Katrs p\u0113tnieks lieto terminu \"<strong>p\u0113t\u012bjuma main\u012bgie lielumi<\/strong>\" sav\u0101 publik\u0101cij\u0101, un ir diezgan interesanti uzzin\u0101t, ko tas paties\u012bb\u0101 noz\u012bm\u0113 un k\u0101p\u0113c \u0161is termins ir tik popul\u0101rs p\u0113tnieku vid\u016b. Uzzin\u0101sim vair\u0101k par <strong>p\u0113t\u012bjuma main\u012bgie lielumi<\/strong> un to veidi \u0161aj\u0101 rakst\u0101.<\/p>\n\n\n\n<h2>Kas ir p\u0113t\u012bjuma main\u012bgie?<\/h2>\n\n\n\n<p>P\u0113tniec\u012bb\u0101 ar main\u012bgajiem lielumiem apz\u012bm\u0113 jebkuru \u012bpa\u0161\u012bbu vai atrib\u016btu, ko var izm\u0113r\u012bt, ar ko var manipul\u0113t vai kontrol\u0113t eksperiment\u0101.<\/p>\n\n\n\n<p>Vienk\u0101r\u0161\u0101k sakot, l\u012bdz\u012bgi k\u0101 matem\u0101tik\u0101 main\u012bgie lielumi noz\u012bm\u0113 jebkuru v\u0113rt\u012bbu, ko m\u0113s izmantojam, lai atrisin\u0101tu probl\u0113mas, \u0161eit tie attiecas uz re\u0101l\u0101s dz\u012bves lielumiem, piem\u0113ram, vecumu, spiedienu, svaru, augumu utt., un vi\u0146i izmanto \u0161\u012bs v\u0113rt\u012bbas savos eksperimentos.<\/p>\n\n\n\n<p>Da\u017ei main\u012bgie var b\u016bt nemain\u012bgi un skaidri, piem\u0113ram, dzimums, dzim\u0161anas datums u. c., jo tos nevar bie\u017ei main\u012bt, savuk\u0101rt t\u0101das v\u0113rt\u012bbas k\u0101 ien\u0101kumi, svars, temperat\u016bra u. c. past\u0101v\u012bgi main\u0101s.<\/p>\n\n\n\n<p>\u0160\u012bs v\u0113rt\u012bbas ir subjekt\u012bvas, tas noz\u012bm\u0113, ka t\u0101s at\u0161\u0137iras atkar\u012bb\u0101 no cilv\u0113ka, un ne visiem ir vien\u0101da \u0137erme\u0146a masa vai vien\u0101ds ien\u0101kumu l\u012bmenis. Tie\u0161i \u0161\u012b iemesla d\u0113\u013c ar\u012b rad\u0101s termins \"main\u012bgie lielumi\", jo, k\u0101 jau nor\u0101da nosaukums, tie ir kaut kas main\u012bgs.<\/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=\"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\" \/><\/figure><\/div>\n\n\n<div style=\"height:21px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2>P\u0113t\u012bjuma main\u012bgo lielumu veidi<\/h2>\n\n\n\n<p>P\u0113tnieki izmanto daudzus p\u0113t\u012bjumu main\u012bgo lielumu veidus, un tie ir iedal\u012bti \u0161\u0101d\u0101s kategorij\u0101s:<\/p>\n\n\n\n<h3>Neatkar\u012bgie main\u012bgie<\/h3>\n\n\n\n<p>P\u0113tnieks manipul\u0113 ar \u0161iem main\u012bgajiem, lai nov\u0113rotu, k\u0101 tie ietekm\u0113 atkar\u012bgos main\u012bgos.<\/p>\n\n\n\n<h3>Atkar\u012bgie main\u012bgie<\/h3>\n\n\n\n<p>Tie ir main\u012bgie lielumi, kas tiek m\u0113r\u012bti vai nov\u0113roti k\u0101 rezult\u0101ts neatkar\u012bgajiem main\u012bgajiem lielumiem, ar kuriem tiek manipul\u0113ts.<\/p>\n\n\n\n<h3>Kontroles main\u012bgie<\/h3>\n\n\n\n<p>Tie ir main\u012bgie lielumi, kas tiek kontrol\u0113ti vai saglab\u0101ti nemain\u012bgi, lai neietekm\u0113tu atkar\u012bgo main\u012bgo lielumu.<\/p>\n\n\n\n<h3>Sare\u017e\u0123\u012bjumu izraiso\u0161ie main\u012bgie lielumi<\/h3>\n\n\n\n<p>Tie ir main\u012bgie lielumi, kas potenci\u0101li var ietekm\u0113t rezult\u0101tu der\u012bgumu un attiec\u012bbas, kas past\u0101v starp neatkar\u012bgajiem un atkar\u012bgajiem main\u012bgajiem lielumiem.<\/p>\n\n\n\n<h3>\u0100r\u0113jie main\u012bgie lielumi<\/h3>\n\n\n\n<p>Attiec\u012bbas starp neatkar\u012bgajiem un atkar\u012bgajiem main\u012bgajiem joproj\u0101m var ietekm\u0113t \u0161ie main\u012bgie, pat ja tie nav iek\u013cauti p\u0113t\u012bjuma jaut\u0101jum\u0101.<\/p>\n\n\n\n<h3>Moderatora main\u012bgie lielumi<\/h3>\n\n\n\n<p>\u0160ie main\u012bgie var main\u012bt attiec\u012bbas starp neatkar\u012bgajiem un atkar\u012bgajiem main\u012bgajiem.<\/p>\n\n\n\n<h3>Starpnieka main\u012bgie lielumi<\/h3>\n\n\n\n<p>Par\u0101dot, k\u0101 neatkar\u012bgie un atkar\u012bgie main\u012bgie ir saist\u012bti, tie ir main\u012bgie lielumi, kas par\u0101da to savstarp\u0113jo saist\u012bbu.<\/p>\n\n\n\n<h3>Novari\u0101tu main\u012bgie lielumi<\/h3>\n\n\n\n<p>Tie ir main\u012bgie lielumi, kurus iek\u013cauj p\u0113t\u012bjum\u0101, lai kontrol\u0113tu, k\u0101 tie ietekm\u0113 atkar\u012bgo main\u012bgo lielumu, bet nav tie\u0161i saist\u012bti ar p\u0113t\u0101mo jaut\u0101jumu.<\/p>\n\n\n\n<h3>Atbildes main\u012bgie lielumi<\/h3>\n\n\n\n<p>Tie ir main\u012bgie lielumi, kas par\u0101da, k\u0101 neatkar\u012bgais main\u012bgais ietekm\u0113 atkar\u012bgo main\u012bgo.<\/p>\n\n\n\n<h3>Demogr\u0101fiskie main\u012bgie<\/h3>\n\n\n\n<p>Tie ir main\u012bgie lielumi, kas raksturo sav\u0101kto p\u0113t\u012bjuma izlasi un nosaka, vai sav\u0101kt\u0101 izlase p\u0101rst\u0101v interes\u0113jo\u0161o popul\u0101ciju.<\/p>\n\n\n\n<h2>Neatkar\u012bgie un atkar\u012bgie main\u012bgie&nbsp;<\/h2>\n\n\n\n<p>Tiek uzskat\u012bts, ka neatkar\u012bgais main\u012bgais ietekm\u0113 eksperimenta atkar\u012bgo main\u012bgo, un tas ir faktors, ar kuru tiek manipul\u0113ts. T\u0101 k\u0101 tas nav atkar\u012bgs no citiem eksperimenta main\u012bgajiem, to sauc par neatkar\u012bgo main\u012bgo.<\/p>\n\n\n\n<p>Rezult\u0101ts, kas tiek m\u0113r\u012bts atkar\u012bb\u0101 no neatkar\u012bg\u0101 main\u012bg\u0101 izmai\u0146\u0101m, ir atkar\u012bgais main\u012bgais. Tas ir atkar\u012bgs no neatkar\u012bg\u0101 main\u012bg\u0101, un, mainoties t\u0101 v\u0113rt\u012bbai, main\u012bsies ar\u012b atkar\u012bg\u0101 main\u012bg\u0101 v\u0113rt\u012bba.<\/p>\n\n\n\n<p>Piem\u0113ram, ja eksperiment\u0101 p\u0113t\u0101m, k\u0101 gaismas intensit\u0101te ietekm\u0113 augu aug\u0161anu, neatkar\u012bgais main\u012bgais lielums ir gaismas intensit\u0101te, bet atkar\u012bgais main\u012bgais lielums ir augu aug\u0161ana.<\/p>\n\n\n\n<h2>Liel\u0101ka ietekme un liel\u0101ka j\u016bsu darba atpaz\u012bstam\u012bba<\/h2>\n\n\n\n<p>P\u0113tniec\u012bbu ne vienm\u0113r ir viegli izprast, jo \u012bpa\u0161i parastam cilv\u0113kam, kuram nav priek\u0161stata par p\u0113t\u012bjuma t\u0113mu vai p\u0113t\u012bjuma priek\u0161v\u0113sturi. Tie\u0161i tad noder ilustr\u0101ciju izmanto\u0161ana. Ilustr\u0101cijas pal\u012bdz zin\u0101tniekiem savu darbu pasniegt vienk\u0101r\u0161\u0101 un viegli saprotam\u0101 veid\u0101.<\/p>\n\n\n\n<p><a href=\"https:\/\/mindthegraph.com\" target=\"_blank\" rel=\"noreferrer noopener\">Mind the Graph<\/a> ir augstas ietekmes infografiku bibliot\u0113ka, kas p\u0113tnieciskajiem darbiem sniedz liel\u0101ku atpaz\u012bstam\u012bbu un atvieglo zin\u0101tnieku darbu. Re\u0123istr\u0113jieties tagad, lai iepaz\u012btos ar milz\u012bgu zin\u0101tnisko infografiku kolekciju.<\/p>\n\n\n\n<div style=\"height:21px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Pam\u0101c\u012bba | Sal\u012bdzino\u0161as infografikas izveide vietn\u0113 Mind the Graph\" width=\"800\" height=\"450\" src=\"https:\/\/www.youtube.com\/embed\/hB6pX4wHU6g?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\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\">S\u0101ciet veidot jau tagad<\/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>Uzziniet s\u012bk\u0101ku inform\u0101ciju par p\u0113t\u012bjuma main\u012bgajiem lielumiem, to veidiem un to, k\u0101 tos var izm\u0113r\u012bt, manipul\u0113t vai kontrol\u0113t eksperiment\u0101.<\/p>","protected":false},"author":33,"featured_media":26982,"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>Research Variables: Not the Usual Math Stuff<\/title>\n<meta name=\"description\" content=\"Learn in detail 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