{"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\/lt\/tyrimo-kintamieji\/","title":{"rendered":"Tyrimo kintamieji: Ne \u012fprasti matematiniai dalykai"},"content":{"rendered":"<p>Kai pamatote termin\u0105 \"kintamasis\", turb\u016bt prisimin\u0117te mokyklos laikus, kai algebros pamokose tur\u0117jote spr\u0119sti vadinamuosius kintamuosius. O, palaukite... \"kintamasis\", kurio \u010dia mokysim\u0117s, yra kitoks. Taigi, atsipalaiduokite!<\/p>\n\n\n\n<p>Kiekvienas tyr\u0117jas vartoja termin\u0105 \"<strong>tyrimo kintamieji<\/strong>\" savo publikacijoje, ir gana \u012fdomu su\u017einoti, k\u0105 jis i\u0161 tikr\u0173j\u0173 rei\u0161kia ir kod\u0117l \u0161is terminas toks populiarus tarp mokslinink\u0173. Su\u017einokime daugiau apie <strong>tyrimo kintamieji<\/strong> ir j\u0173 tipai \u0161iame straipsnyje.<\/p>\n\n\n\n<h2>Kas yra tyrimo kintamieji?<\/h2>\n\n\n\n<p>Tyrimuose kintamieji rei\u0161kia bet koki\u0105 savyb\u0119 ar po\u017eym\u012f, kur\u012f galima i\u0161matuoti, valdyti ar kontroliuoti eksperimento metu.<\/p>\n\n\n\n<p>Papras\u010diau tariant, pana\u0161iai kaip matematikoje kintamieji rei\u0161kia bet koki\u0105 reik\u0161m\u0119, kuri\u0105 naudojame spr\u0119sdami u\u017edavinius, \u010dia jie rei\u0161kia realaus gyvenimo dyd\u017eius, tokius kaip am\u017eius, sl\u0117gis, svoris, \u016bgis ir t. t., ir \u0161ias reik\u0161mes jie naudoja savo eksperimentams.<\/p>\n\n\n\n<p>Kai kurie kintamieji gali b\u016bti pastov\u016bs ir ai\u0161k\u016bs, pavyzd\u017eiui, lytis, gimimo data ir t. t., nes j\u0173 negalima da\u017enai keisti, o tokios reik\u0161m\u0117s kaip pajamos, svoris, temperat\u016bra ir t. t. nuolat kinta.<\/p>\n\n\n\n<p>\u0160ie dyd\u017eiai yra subjektyv\u016bs, t. y. skiriasi priklausomai nuo \u017emogaus, ir ne visi turi toki\u0105 pa\u010di\u0105 k\u016bno mas\u0119 ar tok\u012f pat\u012f pajam\u0173 lyg\u012f. B\u016btent d\u0117l \u0161ios prie\u017easties ir atsirado terminas \"kintamieji\", nes, kaip rodo pavadinimas, tai yra ka\u017ekas, kas kinta.<\/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>Tyrim\u0173 kintam\u0173j\u0173 tipai<\/h2>\n\n\n\n<p>Tyr\u0117jai naudoja daugyb\u0119 tyrimo kintam\u0173j\u0173 tip\u0173, kurie skirstomi \u012f \u0161ias kategorijas:<\/p>\n\n\n\n<h3>Nepriklausomi kintamieji<\/h3>\n\n\n\n<p>Tyr\u0117jas manipuliuoja \u0161iais kintamaisiais, kad gal\u0117t\u0173 steb\u0117ti, kaip jie veikia priklausomus kintamuosius.<\/p>\n\n\n\n<h3>Priklausomi kintamieji<\/h3>\n\n\n\n<p>Tai yra kintamieji, kurie matuojami arba stebimi kaip nepriklausom\u0173 kintam\u0173j\u0173, kuriais manipuliuojama, rezultatas.<\/p>\n\n\n\n<h3>Kontroliniai kintamieji<\/h3>\n\n\n\n<p>Tai kintamieji, kurie yra kontroliuojami arba i\u0161laikomi pastov\u016bs, kad netur\u0117t\u0173 \u012ftakos priklausomam kintamajam.<\/p>\n\n\n\n<h3>Sukeliantys kintamieji<\/h3>\n\n\n\n<p>Tai kintamieji, kurie gali tur\u0117ti \u012ftakos rezultat\u0173 pagr\u012fstumui ir ry\u0161iui, egzistuojan\u010diam tarp nepriklausom\u0173 ir priklausom\u0173 kintam\u0173j\u0173.<\/p>\n\n\n\n<h3>I\u0161oriniai kintamieji<\/h3>\n\n\n\n<p>Nepriklausom\u0173 ir priklausom\u0173 kintam\u0173j\u0173 ry\u0161iui \u0161ie kintamieji vis tiek gali tur\u0117ti \u012ftakos, nors jie ir n\u0117ra \u012ftraukti \u012f tyrimo klausim\u0105.<\/p>\n\n\n\n<h3>Moderatoriaus kintamieji<\/h3>\n\n\n\n<p>\u0160ie kintamieji gali keisti nepriklausom\u0173 ir priklausom\u0173 kintam\u0173j\u0173 santyk\u012f.<\/p>\n\n\n\n<h3>Tarpininko kintamieji<\/h3>\n\n\n\n<p>Parodydami, kaip nepriklausomi ir priklausomi kintamieji yra susij\u0119, \u0161ie kintamieji parodo j\u0173 tarpusavio ry\u0161\u012f.<\/p>\n\n\n\n<h3>Kovariacijos kintamieji<\/h3>\n\n\n\n<p>Tai kintamieji, kurie \u012f tyrim\u0105 \u012ftraukiami siekiant kontroliuoti, kaip jie veikia priklausom\u0105 kintam\u0105j\u012f, ta\u010diau n\u0117ra tiesiogiai susij\u0119 su tiriamuoju klausimu.<\/p>\n\n\n\n<h3>Reakcijos kintamieji<\/h3>\n\n\n\n<p>Tai kintamieji, kurie parodo, kaip nepriklausomas kintamasis veikia priklausom\u0105 kintam\u0105j\u012f.<\/p>\n\n\n\n<h3>Demografiniai kintamieji<\/h3>\n\n\n\n<p>Tai kintamieji, apib\u016bdinantys surinkt\u0105 tyrimo imt\u012f ir lemiantys, ar surinkta imtis atspindi dominan\u010di\u0105 populiacij\u0105.<\/p>\n\n\n\n<h2>Nepriklausomi ir priklausomi kintamieji&nbsp;<\/h2>\n\n\n\n<p>Manoma, kad nepriklausomas kintamasis daro poveik\u012f eksperimento priklausomam kintamajam, ir tai yra veiksnys, kuriuo manipuliuojama. Kadangi jis nepriklauso nuo kit\u0173 eksperimento kintam\u0173j\u0173, jis vadinamas nepriklausomu kintamuoju.<\/p>\n\n\n\n<p>Rezultatas, kuris matuojamas atsi\u017evelgiant \u012f nepriklausomo kintamojo poky\u010dius, yra priklausomas kintamasis. Jis priklauso nuo nepriklausomo kintamojo, tod\u0117l, pasikeitus jo reik\u0161mei, pasikeis ir priklausomo kintamojo reik\u0161m\u0117.<\/p>\n\n\n\n<p>Pavyzd\u017eiui, jei atliktume eksperiment\u0105, kurio tikslas - i\u0161tirti \u0161viesos intensyvumo poveik\u012f augal\u0173 augimui, nepriklausomas kintamasis b\u016bt\u0173 \u0161viesos intensyvumas, o priklausomas kintamasis - augal\u0173 augimas.<\/p>\n\n\n\n<h2>Didesnis poveikis ir didesnis j\u016bs\u0173 darbo matomumas<\/h2>\n\n\n\n<p>Tyrimus ne visada lengva suprasti, ypa\u010d paprastam \u017emogui, kuris neturi jokio supratimo apie tyrimo tem\u0105 ar tyrimo aplinkybes. \u0160tai tada praver\u010dia iliustracij\u0173 naudojimas. Iliustracijos padeda mokslininkams paprastai ir suprantamai pateikti savo darb\u0105.<\/p>\n\n\n\n<p><a href=\"https:\/\/mindthegraph.com\" target=\"_blank\" rel=\"noreferrer noopener\">Mind the Graph<\/a> turi didelio poveikio infografik\u0173 bibliotek\u0105, kuri suteikia daugiau matomumo moksliniams straipsniams ir palengvina mokslinink\u0173 darb\u0105. U\u017esiregistruokite dabar ir susipa\u017einkite su did\u017eiule mokslini\u0173 infografik\u0173 kolekcija.<\/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=\"Pamoka | Palyginimo infografikos k\u016brimas 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\">Prad\u0117kite kurti dabar<\/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>I\u0161samiai su\u017einokite apie tyrimo kintamuosius, j\u0173 tipus ir tai, kaip juos galima i\u0161matuoti, valdyti ar kontroliuoti eksperimento metu.<\/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 about research variables, their types, and how they can be 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