{"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\/ro\/variabile-de-cercetare-2\/","title":{"rendered":"Variabile de cercetare: Nu chestiile matematice obi\u0219nuite"},"content":{"rendered":"<p>C\u00e2nd vede\u021bi termenul \"variabil\u0103\", poate c\u0103 v\u0103 aminti\u021bi de perioada \u0219colar\u0103 c\u00e2nd a\u021bi avut trauma rezolv\u0103rii acestor a\u0219a-numite variabile \u00een algebr\u0103. A\u0219tepta\u021bi... \"variabila\" pe care o vom \u00eenv\u0103\u021ba aici este diferit\u0103. A\u0219a c\u0103, relaxa\u021bi-v\u0103!<\/p>\n\n\n\n<p>Fiecare cercet\u0103tor folose\u0219te termenul \"<strong>variabile de cercetare<\/strong>\" \u00een publica\u021bia lor \u0219i este destul de interesant de \u0219tiut ce \u00eenseamn\u0103 de fapt \u0219i de ce acest termen este at\u00e2t de popular printre cercet\u0103tori. S\u0103 afl\u0103m mai multe despre <strong>variabile de cercetare<\/strong> \u0219i tipurile acestora \u00een acest articol.<\/p>\n\n\n\n<h2>Ce sunt variabilele de cercetare?<\/h2>\n\n\n\n<p>\u00cen cercetare, variabilele se refer\u0103 la orice caracteristic\u0103 sau atribut care poate fi m\u0103surat, manipulat sau controlat \u00een cadrul unui experiment.<\/p>\n\n\n\n<p>Pentru a simplifica, la fel cum \u00een matematic\u0103 variabilele \u00eenseamn\u0103 orice valoare pe care o lu\u0103m pentru a rezolva probleme, aici se refer\u0103 la cantit\u0103\u021bi din via\u021ba real\u0103, cum ar fi v\u00e2rsta, presiunea, greutatea, \u00een\u0103l\u021bimea etc., iar ei folosesc aceste valori pentru experimentele lor.<\/p>\n\n\n\n<p>Unele variabile pot fi constante \u0219i clare, cum ar fi sexul, data na\u0219terii etc., deoarece acestea nu pot fi modificate frecvent, \u00een timp ce valori precum venitul, greutatea, temperatura etc. se schimb\u0103 \u00een mod constant.<\/p>\n\n\n\n<p>Aceste valori sunt subiective, ceea ce \u00eenseamn\u0103 c\u0103 difer\u0103 de la o persoan\u0103 la alta \u0219i nu toat\u0103 lumea va avea aceea\u0219i mas\u0103 corporal\u0103 sau acela\u0219i nivel de venit. \u0218i tocmai din acest motiv a ap\u0103rut termenul \"variabile\", deoarece, a\u0219a cum sugereaz\u0103 \u0219i numele, este ceva care variaz\u0103.<\/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>Tipuri de variabile de cercetare<\/h2>\n\n\n\n<p>Exist\u0103 mai multe tipuri de variabile de cercetare pe care le folosesc cercet\u0103torii, iar acestea sunt clasificate \u00een urm\u0103toarele categorii:<\/p>\n\n\n\n<h3>Variabile independente<\/h3>\n\n\n\n<p>Cercet\u0103torul manipuleaz\u0103 aceste variabile pentru a observa modul \u00een care acestea afecteaz\u0103 variabilele dependente.<\/p>\n\n\n\n<h3>Variabile dependente<\/h3>\n\n\n\n<p>Acestea sunt variabilele m\u0103surate sau observate ca urmare a manipul\u0103rii variabilelor independente.<\/p>\n\n\n\n<h3>Variabile de control<\/h3>\n\n\n\n<p>Acestea sunt variabile care sunt controlate sau men\u021binute constante pentru a nu avea niciun efect asupra variabilei dependente.<\/p>\n\n\n\n<h3>Variabile de confuzie<\/h3>\n\n\n\n<p>Acestea sunt variabilele care au poten\u021bialul de a avea un impact asupra validit\u0103\u021bii rezultatelor \u0219i a rela\u021biei care exist\u0103 \u00eentre variabilele independente \u0219i cele dependente.<\/p>\n\n\n\n<h3>Variabile str\u0103ine<\/h3>\n\n\n\n<p>Rela\u021bia dintre variabilele independente \u0219i cele dependente poate fi influen\u021bat\u0103 de aceste variabile, chiar dac\u0103 ele nu sunt incluse \u00een \u00eentrebarea de cercetare.<\/p>\n\n\n\n<h3>Variabile moderatoare<\/h3>\n\n\n\n<p>Rela\u021bia dintre variabilele independente \u0219i cele dependente poate fi modificat\u0103 de aceste variabile.<\/p>\n\n\n\n<h3>Variabile mediatoare<\/h3>\n\n\n\n<p>Demonstr\u00e2nd modul \u00een care variabilele independente \u0219i dependente sunt legate, acestea sunt variabile care demonstreaz\u0103 rela\u021bia dintre ele.<\/p>\n\n\n\n<h3>Variabile covariate<\/h3>\n\n\n\n<p>Acestea sunt variabile care sunt incluse \u00eentr-un studiu pentru a controla modul \u00een care afecteaz\u0103 variabila dependent\u0103, dar care nu au leg\u0103tur\u0103 direct\u0103 cu \u00eentrebarea cercetat\u0103.<\/p>\n\n\n\n<h3>Variabile de r\u0103spuns<\/h3>\n\n\n\n<p>Acestea sunt variabilele care arat\u0103 modul \u00een care variabila independent\u0103 afecteaz\u0103 variabila dependent\u0103.<\/p>\n\n\n\n<h3>Variabile demografice<\/h3>\n\n\n\n<p>Acestea sunt variabile care descriu e\u0219antionul de studiu colectat \u0219i determin\u0103 dac\u0103 e\u0219antionul colectat reprezint\u0103 popula\u021bia de interes.<\/p>\n\n\n\n<h2>Variabile independente \u0219i dependente&nbsp;<\/h2>\n\n\n\n<p>Se consider\u0103 c\u0103 o variabil\u0103 independent\u0103 are un impact asupra variabilei dependente a experimentului, iar acesta este factorul care este manipulat. Deoarece nu depinde de nicio alt\u0103 variabil\u0103 din experiment, se nume\u0219te variabil\u0103 independent\u0103.<\/p>\n\n\n\n<p>Rezultatul care este m\u0103surat ca r\u0103spuns la modific\u0103rile variabilei independente este variabila dependent\u0103. Aceasta depinde de variabila independent\u0103 \u0219i, atunci c\u00e2nd valoarea acesteia se modific\u0103, se va modifica \u0219i valoarea variabilei dependente.<\/p>\n\n\n\n<p>De exemplu, dac\u0103 lu\u0103m un experiment \u00een care trebuie s\u0103 studiem efectul pe care intensitatea luminii \u00eel are asupra cre\u0219terii plantelor, variabila independent\u0103 ar fi intensitatea luminii, iar variabila dependent\u0103 ar fi cre\u0219terea plantelor.<\/p>\n\n\n\n<h2>Un impact mai mare \u0219i o mai mare vizibilitate pentru munca dumneavoastr\u0103<\/h2>\n\n\n\n<p>Cercetarea nu este \u00eentotdeauna u\u0219or de \u00een\u021beles, mai ales pentru o persoan\u0103 obi\u0219nuit\u0103 care nu are nicio idee despre subiectul cercet\u0103rii sau despre contextul cercet\u0103rii. Acesta este momentul \u00een care utilizarea ilustra\u021biilor este util\u0103. Ilustra\u021biile \u00eei ajut\u0103 pe oamenii de \u0219tiin\u021b\u0103 s\u0103 \u00ee\u0219i prezinte munca \u00eentr-un mod simplu \u0219i u\u0219or de \u00een\u021beles.<\/p>\n\n\n\n<p><a href=\"https:\/\/mindthegraph.com\" target=\"_blank\" rel=\"noreferrer noopener\">Mind the Graph<\/a> dispune de o bibliotec\u0103 de infografice de mare impact care ofer\u0103 o mai mare vizibilitate lucr\u0103rilor de cercetare \u0219i u\u0219ureaz\u0103 munca oamenilor de \u0219tiin\u021b\u0103. \u00censcrie\u021bi-v\u0103 acum pentru a explora o colec\u021bie uria\u0219\u0103 de infografice \u0219tiin\u021bifice.<\/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=\"Tutorial | Crearea unui infografic comparativ pe 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\">\u00cencepe\u021bi s\u0103 crea\u021bi acum<\/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>\u00cenv\u0103\u021ba\u021bi \u00een detaliu despre variabilele de cercetare, tipurile lor \u0219i modul \u00een care acestea pot fi m\u0103surate, manipulate sau controlate \u00eentr-un experiment.<\/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 measured, manipulated, or controlled in an experiment.\" \/>\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\/ro\/variabile-de-cercetare-2\/\" \/>\n<meta property=\"og:locale\" content=\"ro_RO\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Research Variables: Not the Usual Math Stuff\" \/>\n<meta property=\"og:description\" content=\"Learn in detail about research variables, their types, and how they can be measured, manipulated, or controlled in an experiment.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/mindthegraph.com\/blog\/ro\/variabile-de-cercetare-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Mind the Graph Blog\" \/>\n<meta property=\"article:published_time\" content=\"2023-02-25T18:58:28+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-03-07T19:13:17+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/03\/research-variables.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1124\" \/>\n\t<meta property=\"og:image:height\" content=\"613\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Sowjanya Pedada\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Research Variables: Not the Usual Math Stuff\" \/>\n<meta name=\"twitter:description\" content=\"Learn in detail about research variables, their types, and how they can be measured, manipulated, or controlled in an experiment.\" \/>\n<meta name=\"twitter:image\" content=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/03\/research-variables.png\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Sowjanya Pedada\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Research Variables: Not the Usual Math Stuff","description":"Learn in detail about research variables, their types, and how they can be measured, manipulated, or controlled in an experiment.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/mindthegraph.com\/blog\/ro\/variabile-de-cercetare-2\/","og_locale":"ro_RO","og_type":"article","og_title":"Research Variables: Not the Usual Math Stuff","og_description":"Learn in detail about research variables, their types, and how they can be measured, manipulated, or controlled in an experiment.","og_url":"https:\/\/mindthegraph.com\/blog\/ro\/variabile-de-cercetare-2\/","og_site_name":"Mind the Graph Blog","article_published_time":"2023-02-25T18:58:28+00:00","article_modified_time":"2023-03-07T19:13:17+00:00","og_image":[{"width":1124,"height":613,"url":"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/03\/research-variables.png","type":"image\/png"}],"author":"Sowjanya Pedada","twitter_card":"summary_large_image","twitter_title":"Research Variables: Not the Usual Math Stuff","twitter_description":"Learn in detail about research variables, their types, and how they can be measured, manipulated, or controlled in an experiment.","twitter_image":"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/03\/research-variables.png","twitter_misc":{"Written by":"Sowjanya Pedada","Est. reading time":"4 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/mindthegraph.com\/blog\/research-variables\/","url":"https:\/\/mindthegraph.com\/blog\/research-variables\/","name":"Research Variables: Not the Usual Math Stuff","isPartOf":{"@id":"https:\/\/mindthegraph.com\/blog\/#website"},"datePublished":"2023-02-25T18:58:28+00:00","dateModified":"2023-03-07T19:13:17+00:00","author":{"@id":"https:\/\/mindthegraph.com\/blog\/#\/schema\/person\/1809367ac22d998ef1780e61c942bd9e"},"description":"Learn in detail about research variables, their types, and how they can be measured, manipulated, or controlled in an experiment.","breadcrumb":{"@id":"https:\/\/mindthegraph.com\/blog\/research-variables\/#breadcrumb"},"inLanguage":"ro-RO","potentialAction":[{"@type":"ReadAction","target":["https:\/\/mindthegraph.com\/blog\/research-variables\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/mindthegraph.com\/blog\/research-variables\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/mindthegraph.com\/blog\/"},{"@type":"ListItem","position":2,"name":"Research Variables: Not the Usual Math Stuff"}]},{"@type":"WebSite","@id":"https:\/\/mindthegraph.com\/blog\/#website","url":"https:\/\/mindthegraph.com\/blog\/","name":"Mind the Graph Blog","description":"Your science can be beautiful!","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/mindthegraph.com\/blog\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"ro-RO"},{"@type":"Person","@id":"https:\/\/mindthegraph.com\/blog\/#\/schema\/person\/1809367ac22d998ef1780e61c942bd9e","name":"Sowjanya Pedada","image":{"@type":"ImageObject","inLanguage":"ro-RO","@id":"https:\/\/mindthegraph.com\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/5498cb1111b92c813c76ae76ad5b1dd3?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/5498cb1111b92c813c76ae76ad5b1dd3?s=96&d=mm&r=g","caption":"Sowjanya Pedada"},"description":"Sowjanya is a passionate writer and an avid reader. She holds MBA in Agribusiness Management and now is working as a content writer. She loves to play with words and hopes to make a difference in the world through her writings. Apart from writing, she is interested in reading fiction novels and doing craftwork. She also loves to travel and explore different cuisines and spend time with her family and friends.","url":"https:\/\/mindthegraph.com\/blog\/ro\/author\/sowjanya\/"}]}},"_links":{"self":[{"href":"https:\/\/mindthegraph.com\/blog\/ro\/wp-json\/wp\/v2\/posts\/26981"}],"collection":[{"href":"https:\/\/mindthegraph.com\/blog\/ro\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mindthegraph.com\/blog\/ro\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/ro\/wp-json\/wp\/v2\/users\/33"}],"replies":[{"embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/ro\/wp-json\/wp\/v2\/comments?post=26981"}],"version-history":[{"count":1,"href":"https:\/\/mindthegraph.com\/blog\/ro\/wp-json\/wp\/v2\/posts\/26981\/revisions"}],"predecessor-version":[{"id":26983,"href":"https:\/\/mindthegraph.com\/blog\/ro\/wp-json\/wp\/v2\/posts\/26981\/revisions\/26983"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/ro\/wp-json\/wp\/v2\/media\/26982"}],"wp:attachment":[{"href":"https:\/\/mindthegraph.com\/blog\/ro\/wp-json\/wp\/v2\/media?parent=26981"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/ro\/wp-json\/wp\/v2\/categories?post=26981"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/ro\/wp-json\/wp\/v2\/tags?post=26981"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}