{"id":28779,"date":"2023-07-26T06:52:12","date_gmt":"2023-07-26T09:52:12","guid":{"rendered":"https:\/\/mindthegraph.com\/blog\/extraneous-variables-copy\/"},"modified":"2024-12-05T15:48:38","modified_gmt":"2024-12-05T18:48:38","slug":"reliability-vs-validity-in-research","status":"publish","type":"post","link":"https:\/\/mindthegraph.com\/blog\/sk\/spolahlivost-vs-validita-v-vyskume\/","title":{"rendered":"Reliabilita vs. validita vo v\u00fdskume: Meranie toho, na \u010dom z\u00e1le\u017e\u00ed"},"content":{"rendered":"<p>V\u00fdskumn\u00edci sa musia uisti\u0165, \u017ee ich v\u00fdskumn\u00e9 n\u00e1stroje s\u00fa spo\u013eahliv\u00e9 a platn\u00e9 predt\u00fdm, ako ich pou\u017eij\u00fa na zber \u00fadajov. Spo\u013eahlivos\u0165 a platnos\u0165 \u00fadajov s\u00fa dva d\u00f4le\u017eit\u00e9 pojmy vo v\u00fdskume, ktor\u00e9 sa pou\u017e\u00edvaj\u00fa na pos\u00fadenie kvality zozbieran\u00fdch \u00fadajov. Spo\u013eahlivos\u0165 aj platnos\u0165 \u00fadajov s\u00fa vo v\u00fdskume k\u013e\u00fa\u010dov\u00e9, preto\u017ee zabezpe\u010duj\u00fa, \u017ee z\u00edskan\u00e9 v\u00fdsledky s\u00fa presn\u00e9, konzistentn\u00e9 a d\u00f4veryhodn\u00e9.<\/p>\n\n\n\n<h2 id=\"h-reliability-vs-validity-in-research\">Spo\u013eahlivos\u0165 vs. platnos\u0165 vo v\u00fdskume<\/h2>\n\n\n\n<p><strong>Spo\u013eahlivos\u0165<\/strong> sa vz\u0165ahuje na konzistenciu alebo stabilitu merania v \u010dase alebo medzi r\u00f4znymi hodnotite\u013emi. Merac\u00ed n\u00e1stroj sa pova\u017euje za spo\u013eahliv\u00fd, ak pri opakovanom pou\u017eit\u00ed na meranie tej istej veci poskytuje st\u00e1le rovnak\u00e9 v\u00fdsledky. In\u00fdmi slovami, ide o spo\u013eahliv\u00fd n\u00e1stroj, ktor\u00fd poskytuje konzistentn\u00e9 v\u00fdsledky bez oh\u013eadu na to, kto ho administruje, kedy sa administruje a za ak\u00fdch podmienok sa administruje.<\/p>\n\n\n\n<p><strong>Platnos\u0165<\/strong> sa vz\u0165ahuje na rozsah, v akom merac\u00ed n\u00e1stroj meria to, \u010do m\u00e1 mera\u0165. Merac\u00ed n\u00e1stroj sa pova\u017euje za platn\u00fd, ak presne meria koncept alebo kon\u0161trukty, ktor\u00e9 m\u00e1 mera\u0165. In\u00fdmi slovami, je to platn\u00fd n\u00e1stroj, ktor\u00fd meria to, \u010do m\u00e1 mera\u0165, a poskytuje v\u00fdsledky, ktor\u00e9 s\u00fa zmyslupln\u00e9 a relevantn\u00e9 pre v\u00fdskumn\u00fa ot\u00e1zku.<\/p>\n\n\n\n<p>Zhrnutie: spo\u013eahlivos\u0165 sa vz\u0165ahuje na konzistenciu merania, zatia\u013e \u010do platnos\u0165 sa vz\u0165ahuje na presnos\u0165 alebo pravdivos\u0165 merania. Zatia\u013e \u010do spo\u013eahlivos\u0165 je d\u00f4le\u017eit\u00e1 na zabezpe\u010denie konzistentnosti a stability v\u00fdsledkov, platnos\u0165 je rozhoduj\u00faca na zabezpe\u010denie toho, aby v\u00fdsledky z\u00edskan\u00e9 z meracieho n\u00e1stroja boli zmyslupln\u00e9 a relevantn\u00e9 pre v\u00fdskumn\u00fa ot\u00e1zku.<\/p>\n\n\n\n<p>T\u00e1to tabu\u013eka poskytuje r\u00fdchly odkaz na spo\u013eahlivos\u0165 a platnos\u0165 vo v\u00fdskume:<\/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-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>Krit\u00e9ri\u00e1<\/strong><\/th><th><strong>Spo\u013eahlivos\u0165<\/strong><\/th><th><strong>Platnos\u0165<\/strong><\/th><\/tr><\/thead><tbody><tr><td>Defin\u00edcia<\/td><td>Stupe\u0148, do ak\u00e9ho opatrenie konzistentne poskytuje rovnak\u00e9 v\u00fdsledky v priebehu \u010dasu a v r\u00f4znych vzork\u00e1ch.<\/td><td>Miera, do akej miery meradlo presne meria to, \u010do m\u00e1 mera\u0165.<\/td><\/tr><tr><td>Typy<\/td><td>Spo\u013eahlivos\u0165 testovania, spo\u013eahlivos\u0165 medzi hodnotite\u013emi, spo\u013eahlivos\u0165 vn\u00fatornej konzistencie.<\/td><td>Obsahov\u00e1 validita, kriteri\u00e1lna validita a kon\u0161truktov\u00e1 validita.<\/td><\/tr><tr><td>Pr\u00edklad<\/td><td>Kontrola \u00fa\u010dinku lieku na krvn\u00fd tlak sa m\u00f4\u017ee mera\u0165 tak, \u017ee sa skontroluje, \u010di sa hodnoty krvn\u00e9ho tlaku nameran\u00e9 v r\u00f4znych \u010dasoch navz\u00e1jom zhoduj\u00fa.<\/td><td>Prieskum, ktor\u00fd presne meria spokojnos\u0165 s pr\u00e1cou.<\/td><\/tr><tr><td>V\u00fdznam<\/td><td>D\u00f4le\u017eit\u00e9 na dosiahnutie konzistentn\u00fdch v\u00fdsledkov a zn\u00ed\u017eenie ch\u00fdb merania.<\/td><td>D\u00f4le\u017eit\u00e9 na zabezpe\u010denie platnosti opatrenia.<\/td><\/tr><tr><td>Cie\u013e<\/td><td>Zabezpe\u010denie toho, aby merac\u00ed n\u00e1stroj poskytoval konzistentn\u00e9 v\u00fdsledky.<\/td><td>Zabezpe\u010di\u0165, aby merac\u00ed n\u00e1stroj poskytoval presn\u00e9 v\u00fdsledky.<\/td><\/tr><\/tbody><\/table><\/figure>\n\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\/Banner-1024x410.png\" alt=\"\" class=\"wp-image-55424\" srcset=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2024\/08\/Banner-1024x410.png 1024w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2024\/08\/Banner-300x120.png 300w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2024\/08\/Banner-768x307.png 768w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2024\/08\/Banner-1536x615.png 1536w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2024\/08\/Banner-2048x820.png 2048w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2024\/08\/Banner-18x7.png 18w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2024\/08\/Banner-100x40.png 100w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<h2 id=\"h-what-is-reliability\"><strong>\u010co je spo\u013eahlivos\u0165?<\/strong><\/h2>\n\n\n\n<p>Spo\u013eahlivos\u0165 \u00fadajov sa vz\u0165ahuje na rozsah, v akom mo\u017eno v\u00fdsledky \u0161t\u00fadie opakova\u0165. Vz\u0165ahuje sa na konzistenciu a stabilitu v\u00fdsledkov z\u00edskan\u00fdch z v\u00fdskumn\u00e9ho n\u00e1stroja, ako je prieskum alebo dotazn\u00edk. Ak je v\u00fdskumn\u00fd n\u00e1stroj spo\u013eahliv\u00fd, mal by poskytova\u0165 konzistentn\u00e9 v\u00fdsledky pri viacn\u00e1sobnom administrovan\u00ed tej istej skupine \u00fa\u010dastn\u00edkov.<\/p>\n\n\n\n<h2 id=\"h-what-is-validity\"><strong>\u010co je platnos\u0165?<\/strong><\/h2>\n\n\n\n<p>Validita \u00fadajov sa vz\u0165ahuje na presnos\u0165 v\u00fdsledkov z\u00edskan\u00fdch z v\u00fdskumn\u00e9ho n\u00e1stroja. Vz\u0165ahuje sa na rozsah, v akom v\u00fdskumn\u00fd n\u00e1stroj meria to, \u010do m\u00e1 mera\u0165. In\u00fdmi slovami, ak je v\u00fdskumn\u00fd n\u00e1stroj validn\u00fd, mal by presne mera\u0165 koncept alebo jav, na meranie ktor\u00e9ho je ur\u010den\u00fd. Existuj\u00fa r\u00f4zne typy validity, ako je napr\u00edklad face validita, obsahov\u00e1 validita, kon\u0161truktov\u00e1 validita a kriteri\u00e1lna validita.&nbsp;<\/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=\"800\" height=\"316\" src=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/07\/val-rel-target_model-2-800.png\" alt=\"\" class=\"wp-image-28782\" srcset=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/07\/val-rel-target_model-2-800.png 800w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/07\/val-rel-target_model-2-800-300x119.png 300w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/07\/val-rel-target_model-2-800-768x303.png 768w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/07\/val-rel-target_model-2-800-18x7.png 18w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/07\/val-rel-target_model-2-800-100x40.png 100w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/07\/val-rel-target_model-2-800-150x59.png 150w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\"><em>Cez <a href=\"https:\/\/www.hoganassessments.com\" target=\"_blank\" rel=\"noreferrer noopener\">hoganassessments.com<\/a><\/em><\/figcaption><\/figure><\/div>\n\n\n<div style=\"height:21px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 id=\"h-assessment-of-reliability-and-validity\"><strong>Pos\u00fadenie spo\u013eahlivosti a platnosti<\/strong><\/h2>\n\n\n\n<p>Hodnotenie spo\u013eahlivosti a platnosti je d\u00f4le\u017eit\u00fdm procesom pri v\u00fdvoji a hodnoten\u00ed ak\u00e9hoko\u013evek v\u00fdskumn\u00e9ho n\u00e1stroja, ako s\u00fa prieskumy, dotazn\u00edky alebo testy. Spo\u013eahlivos\u0165 sa vz\u0165ahuje na konzistenciu alebo stabilitu merania v \u010dase alebo medzi r\u00f4znymi hodnotite\u013emi, zatia\u013e \u010do platnos\u0165 sa vz\u0165ahuje na rozsah, v akom n\u00e1stroj meria to, \u010do m\u00e1 mera\u0165. Celkovo je pos\u00fadenie reliability a validity k\u013e\u00fa\u010dov\u00e9 pri zabezpe\u010dovan\u00ed toho, aby boli v\u00fdskumn\u00e9 n\u00e1stroje presn\u00e9 a prin\u00e1\u0161ali konzistentn\u00e9 v\u00fdsledky, \u010do zvy\u0161uje kvalitu a d\u00f4veryhodnos\u0165 v\u00fdskumu.<\/p>\n\n\n\n<h3 id=\"h-reliability\"><strong>Spo\u013eahlivos\u0165<\/strong><\/h3>\n\n\n\n<p>Existuje nieko\u013eko met\u00f3d hodnotenia spo\u013eahlivosti vr\u00e1tane spo\u013eahlivosti testovania, spo\u013eahlivosti medzi hodnotite\u013emi a spo\u013eahlivosti vn\u00fatornej konzistencie. Tu je pr\u00edklad tabu\u013eky, ktor\u00e1 ukazuje, ako m\u00f4\u017ee spo\u013eahlivos\u0165 fungova\u0165 vo v\u00fdskume:<\/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-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>Typ spo\u013eahlivosti<\/strong><\/th><th><strong>Popis<\/strong><\/th><th><strong>Pr\u00edklad<\/strong><\/th><\/tr><\/thead><tbody><tr><td>Spo\u013eahlivos\u0165 testu a opakovan\u00e9ho testu<\/td><td>Rozsah, v akom opatrenie prin\u00e1\u0161a konzistentn\u00e9 v\u00fdsledky v priebehu \u010dasu, ke\u010f sa poskytuje tej istej skupine \u013eud\u00ed pri dvoch alebo viacer\u00fdch pr\u00edle\u017eitostiach.<\/td><td>Zadanie prieskumu skupine \u00fa\u010dastn\u00edkov a potom zadanie rovnak\u00e9ho prieskumu tej istej skupine \u00fa\u010dastn\u00edkov o t\u00fd\u017ede\u0148 nesk\u00f4r a porovnanie v\u00fdsledkov.<\/td><\/tr><tr><td>Spo\u013eahlivos\u0165 medzi hodnotite\u013emi<\/td><td>Rozsah, v akom r\u00f4zni hodnotitelia alebo pozorovatelia poskytuj\u00fa konzistentn\u00e9 v\u00fdsledky pri hodnoten\u00ed alebo pozorovan\u00ed tej istej veci.<\/td><td>Dvaja alebo viacer\u00ed hodnotitelia nez\u00e1visle od seba hodnotia rovnak\u00fa sadu esej\u00ed a porovn\u00e1vaj\u00fa svoje v\u00fdsledky, aby zistili, \u010di s\u00fa konzistentn\u00e9.<\/td><\/tr><tr><td>Spo\u013eahlivos\u0165 vn\u00fatornej konzistencie<\/td><td>Miera, do akej r\u00f4zne polo\u017eky alebo ot\u00e1zky v r\u00e1mci merania poskytuj\u00fa konzistentn\u00e9 v\u00fdsledky.<\/td><td>V\u00fdpo\u010det korel\u00e1cie medzi odpove\u010fami na r\u00f4zne polo\u017eky v dotazn\u00edku ur\u010denom na meranie toho ist\u00e9ho kon\u0161truktu, ako je napr\u00edklad seba\u00facta.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<div style=\"height:21px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Upozor\u0148ujeme, \u017ee ide len o pr\u00edkladov\u00fa tabu\u013eku a \u017ee existuje mnoho \u010fal\u0161\u00edch typov spo\u013eahlivosti, ktor\u00e9 by mohli by\u0165 zahrnut\u00e9 v z\u00e1vislosti od kontextu v\u00fdskumu. D\u00f4le\u017eit\u00e9 je vybra\u0165 si vhodn\u00fd typ (typy) reliability pre va\u0161u \u0161t\u00fadiu a navrhn\u00fa\u0165 v\u00fdskum tak, aby ste mohli efekt\u00edvne hodnoti\u0165 reliabilitu.<\/p>\n\n\n\n<h3 id=\"h-validity\"><strong>Platnos\u0165<\/strong><\/h3>\n\n\n\n<p>Na pos\u00fadenie validity mo\u017eno sk\u00fama\u0165 r\u00f4zne typy validity, napr\u00edklad obsahov\u00fa validitu, kriteri\u00e1lnu validitu a kon\u0161truktov\u00fa validitu. Tu je pr\u00edklad tabu\u013eky, ktor\u00e1 ukazuje, ako m\u00f4\u017ee validita fungova\u0165 vo v\u00fdskume:<\/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-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>Typ platnosti<\/strong><\/th><th><strong>Popis<\/strong><\/th><th><strong>Pr\u00edklad<\/strong><\/th><\/tr><\/thead><tbody><tr><td>Platnos\u0165 obsahu<\/td><td>Rozsah, v akom meradlo zachyt\u00e1va v\u0161etky aspekty konkr\u00e9tneho kon\u0161truktu.<\/td><td>Presk\u00famanie s\u00faboru ot\u00e1zok alebo polo\u017eiek ur\u010den\u00fdch na meranie depresie a pos\u00fadenie, \u010di pokr\u00fdvaj\u00fa v\u0161etky relevantn\u00e9 aspekty depresie.<\/td><\/tr><tr><td>Platnos\u0165 krit\u00e9ria<\/td><td>Miera, do akej je opatrenie spojen\u00e9 s konkr\u00e9tnym krit\u00e9riom alebo v\u00fdsledkom.<\/td><td>Korel\u00e1cia v\u00fdsledkov nov\u00e9ho merania matematick\u00fdch schopnost\u00ed s v\u00fdsledkami existuj\u00faceho matematick\u00e9ho testu, ktor\u00fd sa pova\u017euje za \"zlat\u00fd \u0161tandard\", s cie\u013eom pos\u00fadi\u0165, ako dobre nov\u00e9 meranie predpoved\u00e1 v\u00fdkon v existuj\u00facom teste.<\/td><\/tr><tr><td>Platnos\u0165 kon\u0161trukcie<\/td><td>Vz\u0165ahuje sa na mieru, do akej meradlo presne meria zam\u00fd\u0161\u013ean\u00fd kon\u0161trukt.<\/td><td>Korel\u00e1cia sk\u00f3re merania extraverzie s in\u00fdmi meraniami s\u00favisiacich kon\u0161truktov, ako je soci\u00e1lna aktivita a odchodov\u00e9 spr\u00e1vanie, s cie\u013eom pos\u00fadi\u0165, do akej miery meranie zachyt\u00e1va zam\u00fd\u0161\u013ean\u00fd kon\u0161trukt.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<div style=\"height:21px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 id=\"h-integrate-information-and-illustrations-into-beautiful-and-impactful-slides\"><strong>Integr\u00e1cia inform\u00e1ci\u00ed a ilustr\u00e1ci\u00ed do kr\u00e1snych a p\u00f4sobiv\u00fdch prezent\u00e1ci\u00ed<\/strong><\/h2>\n\n\n\n<p><a href=\"https:\/\/mindthegraph.com\" target=\"_blank\" rel=\"noreferrer noopener\">Mind the Graph<\/a> je platforma, ktor\u00e1 poskytuje vedcom n\u00e1stroje na vytv\u00e1ranie vizu\u00e1lne atrakt\u00edvnych a p\u00f4sobiv\u00fdch prezent\u00e1ci\u00ed. Platforma pon\u00faka cel\u00fd rad vizu\u00e1lne pr\u00ed\u0165a\u017eliv\u00fdch obr\u00e1zkov pre v\u00e1\u0161 v\u00fdskum, ktor\u00e9 vedcom pom\u00e1haj\u00fa organizova\u0165 inform\u00e1cie a ilustr\u00e1cie estetick\u00fdm a z\u00e1rove\u0148 efekt\u00edvnym sp\u00f4sobom. Kone\u010dn\u00fdm v\u00fdsledkom je profesion\u00e1lne vyzeraj\u00faca prezent\u00e1cia, ktor\u00e1 efekt\u00edvne sprostredkuje vedeck\u00e9 inform\u00e1cie \u0161ir\u0161iemu publiku. Pomocou Mind the Graph m\u00f4\u017eu vedci \u013eahko integrova\u0165 inform\u00e1cie a ilustr\u00e1cie do kr\u00e1snych a p\u00f4sobiv\u00fdch prezent\u00e1ci\u00ed.<\/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=\"394\" src=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2022\/12\/3yuqz9n9m78.gif\" alt=\"\" class=\"wp-image-25763\"\/><\/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\">Za\u010dnite tvori\u0165 s 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>V tejto komplexnej pr\u00edru\u010dke sa dozviete viac o spo\u013eahlivosti a validite vo v\u00fdskume. Zistite, ako ovplyv\u0148uj\u00fa kvalitu v\u00e1\u0161ho v\u00fdskumu.<\/p>","protected":false},"author":35,"featured_media":28781,"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>Reliability vs Validity in Research: Measuring What Matters - Mind the Graph Blog<\/title>\n<meta name=\"description\" content=\"Learn about reliability vs validity in research with this comprehensive guide. 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