{"id":1466,"date":"2023-07-26T07:03:01","date_gmt":"2023-07-26T07:03:01","guid":{"rendered":"https:\/\/statorials.org\/tr\/karistirici-degisken\/"},"modified":"2023-07-26T07:03:01","modified_gmt":"2023-07-26T07:03:01","slug":"karistirici-degisken","status":"publish","type":"post","link":"https:\/\/statorials.org\/tr\/karistirici-degisken\/","title":{"rendered":"Kafa kar\u0131\u015ft\u0131r\u0131c\u0131 de\u011fi\u015fken nedir? (tan\u0131m &amp; #038; \u00f6rnek)"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Herhangi bir deneyde iki ana de\u011fi\u015fken vard\u0131r:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Ba\u011f\u0131ms\u0131z de\u011fi\u015fken:<\/strong> Deneycinin ba\u011f\u0131ml\u0131 de\u011fi\u015fken \u00fczerindeki etkilerini g\u00f6zlemleyebilmek i\u00e7in de\u011fi\u015ftirdi\u011fi veya kontrol etti\u011fi de\u011fi\u015fken.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Ba\u011f\u0131ml\u0131 de\u011fi\u015fken:<\/strong> Bir deneyde \u00f6l\u00e7\u00fclen ve ba\u011f\u0131ms\u0131z de\u011fi\u015fkene &#8220;ba\u011f\u0131ml\u0131&#8221; olan de\u011fi\u015fken.<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-14498 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/confondre1.png\" alt=\"\" width=\"608\" height=\"150\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Ara\u015ft\u0131rmac\u0131lar genellikle ba\u011f\u0131ms\u0131z de\u011fi\u015fkendeki de\u011fi\u015fikliklerin ba\u011f\u0131ml\u0131 de\u011fi\u015fkeni nas\u0131l etkiledi\u011fini anlamakla ilgilenirler.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Ancak bazen \u00fc\u00e7\u00fcnc\u00fc bir de\u011fi\u015fkenin hesaba kat\u0131lmad\u0131\u011f\u0131 ve incelenen iki de\u011fi\u015fken aras\u0131ndaki ili\u015fkiyi etkileyebildi\u011fi durumlar da olabilmektedir.<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-14499 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/confondre2.png\" alt=\"Kar\u0131\u015ft\u0131r\u0131c\u0131 de\u011fi\u015fken\" width=\"598\" height=\"292\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Bu t\u00fcr de\u011fi\u015fken, <strong>kafa kar\u0131\u015ft\u0131r\u0131c\u0131 de\u011fi\u015fken<\/strong> olarak bilinir ve bir \u00e7al\u0131\u015fman\u0131n sonu\u00e7lar\u0131n\u0131 <em>kar\u0131\u015ft\u0131rabilir<\/em> ve iki de\u011fi\u015fken aras\u0131nda ger\u00e7ekte var olmayan bir t\u00fcr neden-sonu\u00e7 ili\u015fkisi varm\u0131\u015f gibi g\u00f6r\u00fcnmesine neden olabilir.<\/span><\/p>\n<blockquote>\n<p> <span style=\"color: #000000;\"><strong>Kar\u0131\u015ft\u0131r\u0131c\u0131 de\u011fi\u015fken:<\/strong> Bir deneyde yer almayan ancak deneyde iki de\u011fi\u015fken aras\u0131ndaki ili\u015fkiyi etkileyen de\u011fi\u015fken.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Bu t\u00fcr de\u011fi\u015fkenler deneyin sonu\u00e7lar\u0131n\u0131 <em>kar\u0131\u015ft\u0131rabilir<\/em> ve g\u00fcvenilmez sonu\u00e7lara yol a\u00e7abilir.<\/span><\/p>\n<\/blockquote>\n<p> <span style=\"color: #000000;\">\u00d6rne\u011fin, bir ara\u015ft\u0131rmac\u0131n\u0131n dondurma sat\u0131\u015flar\u0131 ve k\u00f6pekbal\u0131\u011f\u0131 sald\u0131r\u0131lar\u0131 hakk\u0131nda veri toplad\u0131\u011f\u0131n\u0131 ve iki de\u011fi\u015fkenin y\u00fcksek oranda ili\u015fkili oldu\u011funu ke\u015ffetti\u011fini varsayal\u0131m. Bu, artan dondurma sat\u0131\u015flar\u0131n\u0131n daha fazla k\u00f6pekbal\u0131\u011f\u0131 sald\u0131r\u0131s\u0131na neden oldu\u011fu anlam\u0131na m\u0131 geliyor?<\/span><\/p>\n<p> <span style=\"color: #000000;\">Olas\u0131 de\u011fil. Bunun en olas\u0131 nedeni kafa kar\u0131\u015ft\u0131r\u0131c\u0131 <strong>s\u0131cakl\u0131k<\/strong> de\u011fi\u015fkenidir. D\u0131\u015far\u0131s\u0131 s\u0131cak oldu\u011funda daha \u00e7ok insan dondurma al\u0131r ve daha \u00e7ok insan okyanusa gider.<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-14500 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/confondre3.png\" alt=\"Kafa kar\u0131\u015ft\u0131r\u0131c\u0131 bir de\u011fi\u015fken \u00f6rne\u011fi\" width=\"572\" height=\"305\" srcset=\"\" sizes=\"auto, \"><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Kafa kar\u0131\u015ft\u0131r\u0131c\u0131 de\u011fi\u015fkenler i\u00e7in gereksinimler<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Bir de\u011fi\u015fkenin kafa kar\u0131\u015ft\u0131r\u0131c\u0131 bir de\u011fi\u015fken olabilmesi i\u00e7in a\u015fa\u011f\u0131daki gereksinimleri kar\u015f\u0131lamas\u0131 gerekir:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>1. Ba\u011f\u0131ms\u0131z de\u011fi\u015fkenle ili\u015fkilendirilmelidir.<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">\u00d6nceki \u00f6rnekte s\u0131cakl\u0131k, dondurma sat\u0131\u015flar\u0131n\u0131n ba\u011f\u0131ms\u0131z de\u011fi\u015fkeniyle ili\u015fkilendirilmi\u015fti. \u00d6zellikle, daha y\u00fcksek s\u0131cakl\u0131klar daha y\u00fcksek dondurma sat\u0131\u015flar\u0131yla, daha so\u011fuk s\u0131cakl\u0131klar ise daha d\u00fc\u015f\u00fck sat\u0131\u015flarla ili\u015fkilidir.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>2. Ba\u011f\u0131ml\u0131 de\u011fi\u015fken ile nedensel bir ili\u015fki bulunmal\u0131d\u0131r.<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">\u00d6nceki \u00f6rnekte s\u0131cakl\u0131\u011f\u0131n k\u00f6pekbal\u0131\u011f\u0131 sald\u0131r\u0131lar\u0131n\u0131n say\u0131s\u0131 \u00fczerinde do\u011frudan nedensel etkisi vard\u0131. \u00d6zellikle artan s\u0131cakl\u0131klar daha fazla insan\u0131 okyanusa s\u00fcr\u00fcklemekte, bu da k\u00f6pekbal\u0131\u011f\u0131 sald\u0131r\u0131lar\u0131n\u0131n olas\u0131l\u0131\u011f\u0131n\u0131 do\u011frudan art\u0131rmaktad\u0131r.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Kafa kar\u0131\u015ft\u0131r\u0131c\u0131 de\u011fi\u015fkenler neden problemlidir?<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Kar\u0131\u015ft\u0131r\u0131c\u0131 de\u011fi\u015fkenler iki nedenden dolay\u0131 sorunludur:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>1. De\u011fi\u015fkenleri kar\u0131\u015ft\u0131rmak, neden-sonu\u00e7 ili\u015fkilerinin var olmad\u0131\u011f\u0131 halde var gibi g\u00f6r\u00fcnmesine neden olabilir.<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">\u00d6nceki \u00f6rne\u011fimizde, kafa kar\u0131\u015ft\u0131r\u0131c\u0131 s\u0131cakl\u0131k de\u011fi\u015fkeni, dondurma sat\u0131\u015flar\u0131 ile k\u00f6pekbal\u0131\u011f\u0131 sald\u0131r\u0131lar\u0131 aras\u0131nda nedensel bir ili\u015fki varm\u0131\u015f gibi g\u00f6r\u00fcnmesine neden oluyordu.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Ancak dondurma sat\u0131\u015f\u0131n\u0131n k\u00f6pekbal\u0131\u011f\u0131 sald\u0131r\u0131lar\u0131na neden olmad\u0131\u011f\u0131n\u0131 biliyoruz. Kafa kar\u0131\u015ft\u0131r\u0131c\u0131 s\u0131cakl\u0131k de\u011fi\u015fkeni bunun b\u00f6yle g\u00f6r\u00fcnmesini sa\u011fl\u0131yor.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>2. De\u011fi\u015fkenleri kar\u0131\u015ft\u0131rmak, de\u011fi\u015fkenler aras\u0131ndaki ger\u00e7ek neden-sonu\u00e7 ili\u015fkisini gizleyebilir.<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">Egzersizin kan bas\u0131nc\u0131n\u0131 d\u00fc\u015f\u00fcrme yetene\u011fini inceledi\u011fimizi varsayal\u0131m. Potansiyel bir kafa kar\u0131\u015ft\u0131r\u0131c\u0131 de\u011fi\u015fken, egzersizle ili\u015fkili olan ve kan bas\u0131nc\u0131 \u00fczerinde do\u011frudan nedensel etkiye sahip olan ba\u015flang\u0131\u00e7 a\u011f\u0131rl\u0131\u011f\u0131d\u0131r.<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-14502 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/confondre4.png\" alt=\"\" width=\"585\" height=\"317\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Artan fiziksel aktivite kan bas\u0131nc\u0131nda azalmaya yol a\u00e7sa da bireyin ba\u015flang\u0131\u00e7 a\u011f\u0131rl\u0131\u011f\u0131n\u0131n da bu iki de\u011fi\u015fken aras\u0131ndaki ili\u015fki \u00fczerinde b\u00fcy\u00fck etkisi vard\u0131r.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Kar\u0131\u015ft\u0131r\u0131c\u0131 de\u011fi\u015fkenler ve i\u00e7 ge\u00e7erlilik<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Teknik a\u00e7\u0131dan, kar\u0131\u015ft\u0131r\u0131c\u0131 de\u011fi\u015fkenler bir \u00e7al\u0131\u015fman\u0131n <strong>i\u00e7 ge\u00e7erlili\u011fini<\/strong> etkiler; bu, ba\u011f\u0131ml\u0131 de\u011fi\u015fkendeki herhangi bir de\u011fi\u015fikli\u011fin ba\u011f\u0131ms\u0131z de\u011fi\u015fkendeki de\u011fi\u015fikliklere atfedilmesinin ge\u00e7erlili\u011fini ifade eder.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Kar\u0131\u015ft\u0131r\u0131c\u0131 de\u011fi\u015fkenler mevcut oldu\u011funda, ba\u011f\u0131ml\u0131 de\u011fi\u015fkende g\u00f6zlemledi\u011fimiz de\u011fi\u015fikliklerin ba\u011f\u0131ms\u0131z de\u011fi\u015fkendeki de\u011fi\u015fikliklerin do\u011frudan sonucu oldu\u011funu her zaman kesin olarak s\u00f6yleyemeyiz.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Kafa kar\u0131\u015ft\u0131r\u0131c\u0131 de\u011fi\u015fkenlerin etkisi nas\u0131l azalt\u0131l\u0131r<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Kafa kar\u0131\u015ft\u0131r\u0131c\u0131 de\u011fi\u015fkenlerin etkisini azaltman\u0131n a\u015fa\u011f\u0131daki y\u00f6ntemler de dahil olmak \u00fczere \u00e7e\u015fitli yollar\u0131 vard\u0131r:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>1. Rastgele tahsis<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\"><a href=\"https:\/\/statorials.org\/tr\/rastgele-secim-ve-rastgele-atama\/\" target=\"_blank\" rel=\"noopener\">Rastgele atama,<\/a> bir \u00e7al\u0131\u015fmadaki bireylerin bir tedavi grubuna veya bir kontrol grubuna rastgele atanmas\u0131 s\u00fcrecini ifade eder.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\u00d6rne\u011fin yeni bir hap\u0131n kan bas\u0131nc\u0131 \u00fczerindeki etkisini incelemek istedi\u011fimizi varsayal\u0131m. \u00c7al\u0131\u015fmaya 100 ki\u015fiyi katarsak, 50 ki\u015fiyi kontrol grubuna (haps\u0131z) ve 50 ki\u015fiyi de tedavi grubuna (yeni hap) rastgele atamak i\u00e7in rastgele say\u0131 \u00fcreteci kullanabiliriz.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Rastgele atama kullanarak, iki grubun kabaca benzer \u00f6zelliklere sahip olma \u015fans\u0131n\u0131 art\u0131r\u0131r\u0131z; bu, iki grup aras\u0131nda g\u00f6zlemlenen farkl\u0131l\u0131klar\u0131n tedaviye atfedilebilece\u011fi anlam\u0131na gelir.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Bu, \u00e7al\u0131\u015fman\u0131n <strong>i\u00e7 ge\u00e7erlili\u011fe<\/strong> sahip olmas\u0131 gerekti\u011fi anlam\u0131na gelir: gruplar aras\u0131ndaki kan bas\u0131nc\u0131 farkl\u0131l\u0131klar\u0131n\u0131, gruplardaki bireyler aras\u0131ndaki farklar\u0131n aksine, hap\u0131n kendisine atfetmek ge\u00e7erlidir.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>2. Engelleme<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\"><a href=\"https:\/\/statorials.org\/tr\/istatistikleri-engelleme\/\" target=\"_blank\" rel=\"noopener\">Engelleme,<\/a> kar\u0131\u015ft\u0131r\u0131c\u0131 de\u011fi\u015fkenin etkisini ortadan kald\u0131rmak amac\u0131yla, kar\u0131\u015ft\u0131r\u0131c\u0131 de\u011fi\u015fkenin belirli bir de\u011ferine dayal\u0131 olarak bir \u00e7al\u0131\u015fmadaki bireyleri &#8220;bloklara&#8221; b\u00f6lme uygulamas\u0131n\u0131 ifade eder.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\u00d6rne\u011fin, ara\u015ft\u0131rmac\u0131lar\u0131n yeni bir diyetin kilo kayb\u0131 \u00fczerindeki etkisini anlamak istediklerini varsayal\u0131m. Ba\u011f\u0131ms\u0131z de\u011fi\u015fken yeni diyet, ba\u011f\u0131ml\u0131 de\u011fi\u015fken ise kilo kayb\u0131 miktar\u0131d\u0131r.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Ancak kilo kayb\u0131nda de\u011fi\u015fikli\u011fe neden olabilecek kafa kar\u0131\u015ft\u0131r\u0131c\u0131 de\u011fi\u015fkenlerden biri <strong>cinsiyettir<\/strong> . Yeni diyet i\u015fe yarasa da yarasa da, bireyin cinsiyetinin, kaybetti\u011fi kilo miktar\u0131n\u0131 etkilemesi muhtemeldir.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Bu sorunu \u00e7\u00f6zmenin bir yolu bireyleri iki bloktan birine yerle\u015ftirmektir:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">Erkek<\/span><\/li>\n<li> <span style=\"color: #000000;\">Di\u015fi<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Daha sonra, her blokta bireyleri rastgele iki tedaviden birine atayaca\u011f\u0131z:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">Yeni bir diyet<\/span><\/li>\n<li> <span style=\"color: #000000;\">Standart bir diyet<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Bunu yaparak, her blok i\u00e7indeki varyasyon, t\u00fcm bireyler aras\u0131ndaki varyasyondan \u00e7ok daha d\u00fc\u015f\u00fck olacak ve yeni diyetin cinsiyeti kontrol ederken kilo kayb\u0131n\u0131 nas\u0131l etkiledi\u011fini daha iyi anlayabilece\u011fiz.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>3. Yaz\u0131\u015fma<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\"><a href=\"https:\/\/statorials.org\/tr\/eslesen-ciftler-tasarimi\/\" target=\"_blank\" rel=\"noopener\">E\u015fle\u015ftirilmi\u015f \u00e7ift tasar\u0131m\u0131,<\/a> bireyleri potansiyel kar\u0131\u015ft\u0131r\u0131c\u0131 de\u011fi\u015fkenlerin de\u011ferlerine g\u00f6re &#8220;e\u015fle\u015ftirdi\u011fimiz&#8221; bir t\u00fcr deneysel tasar\u0131md\u0131r.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\u00d6rne\u011fin, ara\u015ft\u0131rmac\u0131lar\u0131n yeni bir diyetin standart bir diyetle kar\u015f\u0131la\u015ft\u0131r\u0131ld\u0131\u011f\u0131nda kilo kayb\u0131n\u0131 nas\u0131l etkiledi\u011fini bilmek istediklerini varsayal\u0131m. Bu durumda iki potansiyel kafa kar\u0131\u015ft\u0131r\u0131c\u0131 de\u011fi\u015fken <strong>ya\u015f<\/strong> ve <strong>cinsiyettir<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Bunu a\u00e7\u0131klamak i\u00e7in ara\u015ft\u0131rmac\u0131lara 100 denek al\u0131n ve bunlar\u0131 ya\u015flar\u0131na ve cinsiyetlerine g\u00f6re 50 \u00e7ift halinde grupland\u0131r\u0131n. \u00d6rne\u011fin:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">Ya\u015f ve cinsiyet a\u00e7\u0131s\u0131ndan \u201ce\u015fle\u015fti\u011fi\u201d i\u00e7in 25 ya\u015f\u0131ndaki bir erkek, 25 ya\u015f\u0131ndaki ba\u015fka bir erkekle e\u015fle\u015ftirilecek.<\/span><\/li>\n<li> <span style=\"color: #000000;\">30 ya\u015f\u0131ndaki bir kad\u0131n, ya\u015f, cinsiyet vb. a\u00e7\u0131lardan da e\u015fle\u015fti\u011fi i\u00e7in 30 ya\u015f\u0131ndaki ba\u015fka bir kad\u0131nla e\u015fle\u015ftirilecektir.<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Daha sonra, her \u00e7iftten bir denek, 30 g\u00fcn boyunca yeni diyeti takip etmesi i\u00e7in rastgele atanacak ve di\u011fer denek, 30 g\u00fcn boyunca standart diyeti takip edecek \u015fekilde atanacak.<\/span><\/p>\n<p> <span style=\"color: #000000;\">30 g\u00fcn\u00fcn sonunda ara\u015ft\u0131rmac\u0131lar her denek i\u00e7in toplam kilo kayb\u0131n\u0131 \u00f6l\u00e7ecek.<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-5155 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/paires-assorties00.png\" alt=\"\" width=\"271\" height=\"232\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Bu t\u00fcr bir tasar\u0131m\u0131 kullanarak ara\u015ft\u0131rmac\u0131lar, kilo kayb\u0131ndaki herhangi bir farkl\u0131l\u0131\u011f\u0131n <strong>ya\u015f<\/strong> ve <strong>cinsiyet<\/strong> gibi kafa kar\u0131\u015ft\u0131r\u0131c\u0131 de\u011fi\u015fkenlerden ziyade kullan\u0131lan diyet t\u00fcr\u00fcne atfedilebilece\u011finden emin olabilirler.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Bu t\u00fcr tasar\u0131m\u0131n birka\u00e7 dezavantaj\u0131 vard\u0131r:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>1. E\u011fer biri dersten \u00e7\u0131karsa iki ki\u015fiyi kaybedin.<\/strong> E\u011fer bir denek \u00e7al\u0131\u015fmadan \u00e7ekilmeye karar verirse, art\u0131k tam bir \u00e7ifte sahip olmad\u0131\u011f\u0131n\u0131z i\u00e7in asl\u0131nda iki dene\u011fi kaybedersiniz.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>2. E\u015fle\u015fmeleri bulmak zaman al\u0131r<\/strong> . Cinsiyet ve ya\u015f gibi belirli de\u011fi\u015fkenlerle e\u015fle\u015fen konular\u0131 bulmak zaman alabilir.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>3. Konular\u0131 m\u00fckemmel \u015fekilde e\u015fle\u015ftiremiyorum<\/strong> . Ne kadar \u00e7abalarsan\u0131z \u00e7abalay\u0131n, her \u00e7iftin konular\u0131 aras\u0131nda her zaman farkl\u0131l\u0131klar olacakt\u0131r.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Bununla birlikte, e\u011fer bir \u00e7al\u0131\u015fma bu tasar\u0131m\u0131 uygulamak i\u00e7in gerekli kaynaklara sahipse, kar\u0131\u015ft\u0131r\u0131c\u0131 de\u011fi\u015fkenlerin etkilerini ortadan kald\u0131rmada \u00e7ok etkili olabilir.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Herhangi bir deneyde iki ana de\u011fi\u015fken vard\u0131r: Ba\u011f\u0131ms\u0131z de\u011fi\u015fken: Deneycinin ba\u011f\u0131ml\u0131 de\u011fi\u015fken \u00fczerindeki etkilerini g\u00f6zlemleyebilmek i\u00e7in de\u011fi\u015ftirdi\u011fi veya kontrol etti\u011fi de\u011fi\u015fken. Ba\u011f\u0131ml\u0131 de\u011fi\u015fken: Bir deneyde \u00f6l\u00e7\u00fclen ve ba\u011f\u0131ms\u0131z de\u011fi\u015fkene &#8220;ba\u011f\u0131ml\u0131&#8221; olan de\u011fi\u015fken. Ara\u015ft\u0131rmac\u0131lar genellikle ba\u011f\u0131ms\u0131z de\u011fi\u015fkendeki de\u011fi\u015fikliklerin ba\u011f\u0131ml\u0131 de\u011fi\u015fkeni nas\u0131l etkiledi\u011fini anlamakla ilgilenirler. Ancak bazen \u00fc\u00e7\u00fcnc\u00fc bir de\u011fi\u015fkenin hesaba kat\u0131lmad\u0131\u011f\u0131 ve incelenen iki de\u011fi\u015fken aras\u0131ndaki [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"class_list":["post-1466","post","type-post","status-publish","format-standard","hentry","category-rehber"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Kafa kar\u0131\u015ft\u0131r\u0131c\u0131 de\u011fi\u015fken nedir? (Tan\u0131m ve \u00f6rnek)<\/title>\n<meta name=\"description\" content=\"Bu e\u011fitimde, resmi bir tan\u0131m ve \u00e7e\u015fitli \u00f6rnekler de dahil olmak \u00fczere, kafa kar\u0131\u015ft\u0131r\u0131c\u0131 de\u011fi\u015fkenlerin bir a\u00e7\u0131klamas\u0131 sa\u011flanmaktad\u0131r.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/statorials.org\/tr\/karistirici-degisken\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Kafa kar\u0131\u015ft\u0131r\u0131c\u0131 de\u011fi\u015fken nedir? (Tan\u0131m ve \u00f6rnek)\" \/>\n<meta property=\"og:description\" content=\"Bu e\u011fitimde, resmi bir tan\u0131m ve \u00e7e\u015fitli \u00f6rnekler de dahil olmak \u00fczere, kafa kar\u0131\u015ft\u0131r\u0131c\u0131 de\u011fi\u015fkenlerin bir a\u00e7\u0131klamas\u0131 sa\u011flanmaktad\u0131r.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/tr\/karistirici-degisken\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-26T07:03:01+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/confondre1.png\" \/>\n<meta name=\"author\" content=\"Dr.benjamin anderson\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Yazan:\" \/>\n\t<meta name=\"twitter:data1\" content=\"Dr.benjamin anderson\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tahmini okuma s\u00fcresi\" \/>\n\t<meta name=\"twitter:data2\" content=\"7 dakika\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/tr\/karistirici-degisken\/\",\"url\":\"https:\/\/statorials.org\/tr\/karistirici-degisken\/\",\"name\":\"Kafa kar\u0131\u015ft\u0131r\u0131c\u0131 de\u011fi\u015fken nedir? (Tan\u0131m ve \u00f6rnek)\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/tr\/#website\"},\"datePublished\":\"2023-07-26T07:03:01+00:00\",\"dateModified\":\"2023-07-26T07:03:01+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/tr\/#\/schema\/person\/365dc158a39a7c8ae256355451e3de48\"},\"description\":\"Bu e\u011fitimde, resmi bir tan\u0131m ve \u00e7e\u015fitli \u00f6rnekler de dahil olmak \u00fczere, kafa kar\u0131\u015ft\u0131r\u0131c\u0131 de\u011fi\u015fkenlerin bir a\u00e7\u0131klamas\u0131 sa\u011flanmaktad\u0131r.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/tr\/karistirici-degisken\/#breadcrumb\"},\"inLanguage\":\"tr\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/tr\/karistirici-degisken\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/tr\/karistirici-degisken\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Ev\",\"item\":\"https:\/\/statorials.org\/tr\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Kafa kar\u0131\u015ft\u0131r\u0131c\u0131 de\u011fi\u015fken nedir? (tan\u0131m &amp; #038; \u00f6rnek)\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/statorials.org\/tr\/#website\",\"url\":\"https:\/\/statorials.org\/tr\/\",\"name\":\"Statorials\",\"description\":\"\u0130statistik okuryazarl\u0131\u011f\u0131 rehberiniz!\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/statorials.org\/tr\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"tr\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/statorials.org\/tr\/#\/schema\/person\/365dc158a39a7c8ae256355451e3de48\",\"name\":\"Dr.benjamin anderson\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"tr\",\"@id\":\"https:\/\/statorials.org\/tr\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/statorials.org\/tr\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"contentUrl\":\"https:\/\/statorials.org\/tr\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"caption\":\"Dr.benjamin anderson\"},\"description\":\"Merhaba, ben Benjamin, emekli bir istatistik profes\u00f6r\u00fc ve Statorials \u00f6\u011fretmenine d\u00f6n\u00fc\u015ft\u00fcm. \u0130statistik alan\u0131ndaki kapsaml\u0131 deneyimim ve uzmanl\u0131\u011f\u0131mla, \u00f6\u011frencilerimi Statorials arac\u0131l\u0131\u011f\u0131yla g\u00fc\u00e7lendirmek i\u00e7in bilgilerimi payla\u015fmaya can at\u0131yorum. Daha fazlas\u0131n\u0131 bil\",\"sameAs\":[\"https:\/\/statorials.org\/tr\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Kafa kar\u0131\u015ft\u0131r\u0131c\u0131 de\u011fi\u015fken nedir? (Tan\u0131m ve \u00f6rnek)","description":"Bu e\u011fitimde, resmi bir tan\u0131m ve \u00e7e\u015fitli \u00f6rnekler de dahil olmak \u00fczere, kafa kar\u0131\u015ft\u0131r\u0131c\u0131 de\u011fi\u015fkenlerin bir a\u00e7\u0131klamas\u0131 sa\u011flanmaktad\u0131r.","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:\/\/statorials.org\/tr\/karistirici-degisken\/","og_locale":"tr_TR","og_type":"article","og_title":"Kafa kar\u0131\u015ft\u0131r\u0131c\u0131 de\u011fi\u015fken nedir? (Tan\u0131m ve \u00f6rnek)","og_description":"Bu e\u011fitimde, resmi bir tan\u0131m ve \u00e7e\u015fitli \u00f6rnekler de dahil olmak \u00fczere, kafa kar\u0131\u015ft\u0131r\u0131c\u0131 de\u011fi\u015fkenlerin bir a\u00e7\u0131klamas\u0131 sa\u011flanmaktad\u0131r.","og_url":"https:\/\/statorials.org\/tr\/karistirici-degisken\/","og_site_name":"Statorials","article_published_time":"2023-07-26T07:03:01+00:00","og_image":[{"url":"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/confondre1.png"}],"author":"Dr.benjamin anderson","twitter_card":"summary_large_image","twitter_misc":{"Yazan:":"Dr.benjamin anderson","Tahmini okuma s\u00fcresi":"7 dakika"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/statorials.org\/tr\/karistirici-degisken\/","url":"https:\/\/statorials.org\/tr\/karistirici-degisken\/","name":"Kafa kar\u0131\u015ft\u0131r\u0131c\u0131 de\u011fi\u015fken nedir? (Tan\u0131m ve \u00f6rnek)","isPartOf":{"@id":"https:\/\/statorials.org\/tr\/#website"},"datePublished":"2023-07-26T07:03:01+00:00","dateModified":"2023-07-26T07:03:01+00:00","author":{"@id":"https:\/\/statorials.org\/tr\/#\/schema\/person\/365dc158a39a7c8ae256355451e3de48"},"description":"Bu e\u011fitimde, resmi bir tan\u0131m ve \u00e7e\u015fitli \u00f6rnekler de dahil olmak \u00fczere, kafa kar\u0131\u015ft\u0131r\u0131c\u0131 de\u011fi\u015fkenlerin bir a\u00e7\u0131klamas\u0131 sa\u011flanmaktad\u0131r.","breadcrumb":{"@id":"https:\/\/statorials.org\/tr\/karistirici-degisken\/#breadcrumb"},"inLanguage":"tr","potentialAction":[{"@type":"ReadAction","target":["https:\/\/statorials.org\/tr\/karistirici-degisken\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/statorials.org\/tr\/karistirici-degisken\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Ev","item":"https:\/\/statorials.org\/tr\/"},{"@type":"ListItem","position":2,"name":"Kafa kar\u0131\u015ft\u0131r\u0131c\u0131 de\u011fi\u015fken nedir? (tan\u0131m &amp; #038; \u00f6rnek)"}]},{"@type":"WebSite","@id":"https:\/\/statorials.org\/tr\/#website","url":"https:\/\/statorials.org\/tr\/","name":"Statorials","description":"\u0130statistik okuryazarl\u0131\u011f\u0131 rehberiniz!","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/statorials.org\/tr\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"tr"},{"@type":"Person","@id":"https:\/\/statorials.org\/tr\/#\/schema\/person\/365dc158a39a7c8ae256355451e3de48","name":"Dr.benjamin anderson","image":{"@type":"ImageObject","inLanguage":"tr","@id":"https:\/\/statorials.org\/tr\/#\/schema\/person\/image\/","url":"https:\/\/statorials.org\/tr\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg","contentUrl":"https:\/\/statorials.org\/tr\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg","caption":"Dr.benjamin anderson"},"description":"Merhaba, ben Benjamin, emekli bir istatistik profes\u00f6r\u00fc ve Statorials \u00f6\u011fretmenine d\u00f6n\u00fc\u015ft\u00fcm. \u0130statistik alan\u0131ndaki kapsaml\u0131 deneyimim ve uzmanl\u0131\u011f\u0131mla, \u00f6\u011frencilerimi Statorials arac\u0131l\u0131\u011f\u0131yla g\u00fc\u00e7lendirmek i\u00e7in bilgilerimi payla\u015fmaya can at\u0131yorum. Daha fazlas\u0131n\u0131 bil","sameAs":["https:\/\/statorials.org\/tr"]}]}},"yoast_meta":{"yoast_wpseo_title":"","yoast_wpseo_metadesc":"","yoast_wpseo_canonical":""},"_links":{"self":[{"href":"https:\/\/statorials.org\/tr\/wp-json\/wp\/v2\/posts\/1466","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/statorials.org\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/statorials.org\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/statorials.org\/tr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/statorials.org\/tr\/wp-json\/wp\/v2\/comments?post=1466"}],"version-history":[{"count":0,"href":"https:\/\/statorials.org\/tr\/wp-json\/wp\/v2\/posts\/1466\/revisions"}],"wp:attachment":[{"href":"https:\/\/statorials.org\/tr\/wp-json\/wp\/v2\/media?parent=1466"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/statorials.org\/tr\/wp-json\/wp\/v2\/categories?post=1466"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/statorials.org\/tr\/wp-json\/wp\/v2\/tags?post=1466"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}