{"id":1431,"date":"2023-07-26T10:19:12","date_gmt":"2023-07-26T10:19:12","guid":{"rendered":"https:\/\/statorials.org\/tr\/istatistiklerde-rastgelelestirme\/"},"modified":"2023-07-26T10:19:12","modified_gmt":"2023-07-26T10:19:12","slug":"istatistiklerde-rastgelelestirme","status":"publish","type":"post","link":"https:\/\/statorials.org\/tr\/istatistiklerde-rastgelelestirme\/","title":{"rendered":"I\u0307statistiklerde rastgelele\u015ftirme: tan\u0131m ve \u00f6rnek"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">\u0130statistik alan\u0131nda <strong>rastgelele\u015ftirme<\/strong> , \u00e7al\u0131\u015fma deneklerinin farkl\u0131 tedavi gruplar\u0131na rastgele atanmas\u0131 eylemini ifade eder.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\u00d6rne\u011fin, ara\u015ft\u0131rmac\u0131lar\u0131n iki farkl\u0131 hap\u0131n kan bas\u0131nc\u0131 \u00fczerinde farkl\u0131 etkileri olup olmad\u0131\u011f\u0131n\u0131 anlamay\u0131 umduklar\u0131 bir \u00e7al\u0131\u015fmaya kat\u0131lmak \u00fczere 100 denek toplad\u0131\u011f\u0131n\u0131 varsayal\u0131m.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Her dene\u011fe 1 numaral\u0131 hap\u0131 veya 2 numaral\u0131 hap\u0131 kullanmas\u0131n\u0131 rastgele atamak i\u00e7in bir rastgele say\u0131 \u00fcreteci kullanmaya karar verebilirler.<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-14158 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/randomisation1.png\" alt=\"\u0130statistiklerde randomizasyon\" width=\"629\" height=\"503\" srcset=\"\" sizes=\"auto, \"><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Randomizasyonun avantajlar\u0131<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Rastgelele\u015ftirmenin amac\u0131 <a href=\"https:\/\/statorials.org\/tr\/gizli-degiskenler\/\" target=\"_blank\" rel=\"noopener\">gizli de\u011fi\u015fkenleri<\/a> (analizde do\u011frudan yer almayan ancak yine de analizi bir \u015fekilde etkileyen de\u011fi\u015fkenleri) kontrol etmektir.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\u00d6rne\u011fin ara\u015ft\u0131rmac\u0131lar iki farkl\u0131 hap\u0131n kan bas\u0131nc\u0131 \u00fczerindeki etkilerini incelerse a\u015fa\u011f\u0131daki gizli de\u011fi\u015fkenler analizi etkileyebilir:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">Smokin k\u0131yafetleri<\/span><\/li>\n<li> <span style=\"color: #000000;\">Diyet<\/span><\/li>\n<li> <span style=\"color: #000000;\">Egzersiz yapmak<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Denekleri tedavi gruplar\u0131na rastgele atayarak, gizli de\u011fi\u015fkenlerin her iki tedavi grubunu da e\u015fit \u015fekilde etkileme \u015fans\u0131n\u0131 en \u00fcst d\u00fczeye \u00e7\u0131kar\u0131yoruz.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Bu, kan bas\u0131nc\u0131ndaki herhangi bir farkl\u0131l\u0131\u011f\u0131n gizli bir de\u011fi\u015fkenin etkisinden ziyade hap\u0131n t\u00fcr\u00fcne atfedilebilece\u011fi anlam\u0131na gelir.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Rastgelele\u015ftirmeyi engelle<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Rastgelele\u015ftirmenin bir uzant\u0131s\u0131, <strong>blok rastgelele\u015ftirme<\/strong> olarak bilinir. Bu, \u00f6ncelikle deneklerin bloklara ayr\u0131lmas\u0131 ve daha sonra bloklar i\u00e7indeki deneklerin farkl\u0131 tedavilere atanmas\u0131 i\u00e7in rastgelele\u015ftirmenin kullan\u0131lmas\u0131 s\u00fcrecidir.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\u00d6rne\u011fin, e\u011fer ara\u015ft\u0131rmac\u0131lar iki farkl\u0131 hap\u0131n kan bas\u0131nc\u0131n\u0131 farkl\u0131 \u015fekilde etkileyip etkilemedi\u011fini bilmek istiyorlarsa, \u00f6ncelikle t\u00fcm denekleri cinsiyete g\u00f6re erkek ve kad\u0131n olmak \u00fczere iki blo\u011fa ay\u0131rabilirler.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Daha sonra, her blokta, denekleri 1 numaral\u0131 hap\u0131 veya 2 numaral\u0131 hap\u0131 kullanacak \u015fekilde rastgele atamak i\u00e7in rastgelele\u015ftirmeyi kullanabilirler.<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-14159 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/randomisation2.png\" alt=\"Rastgelele\u015ftirmeyi engelle\" width=\"665\" height=\"385\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Bu yakla\u015f\u0131m\u0131n avantaj\u0131, erkeklerin ve kad\u0131nlar\u0131n her hapa farkl\u0131 tepki verece\u011fini bildi\u011fimizden, ara\u015ft\u0131rmac\u0131lar\u0131n cinsiyetin kan bas\u0131nc\u0131 \u00fczerindeki etkisini do\u011frudan kontrol edebilmesidir.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Cinsiyeti bir blok olarak kullanarak, potansiyel bir varyasyon kayna\u011f\u0131 olan bu de\u011fi\u015fkeni ortadan kald\u0131rabiliyoruz. \u0130ki hap aras\u0131nda kan bas\u0131nc\u0131 a\u00e7\u0131s\u0131ndan farkl\u0131l\u0131klar varsa, bu farkl\u0131l\u0131klar\u0131n alt\u0131nda yatan nedenin cinsiyet olmad\u0131\u011f\u0131n\u0131 bilebiliriz.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong><span style=\"color: #000000;\">Ek kaynaklar<\/span><\/strong><\/span><\/h3>\n<p> <a href=\"https:\/\/statorials.org\/tr\/istatistikleri-engelleme\/\" target=\"_blank\" rel=\"noopener\">\u0130statistiklerde engelleme: tan\u0131m ve \u00f6rnek<\/a><br \/> <a href=\"https:\/\/statorials.org\/tr\/izin-blok-rastgelelestirmesi\/\" target=\"_blank\" rel=\"noopener\">Perm\u00fctasyonlu bloklar\u0131n rastgelele\u015ftirilmesi: tan\u0131m ve \u00f6rnek<\/a><br \/> <a href=\"https:\/\/statorials.org\/tr\/gizli-degiskenler\/\" target=\"_blank\" rel=\"noopener\">Gizli de\u011fi\u015fkenler: tan\u0131m ve \u00f6rnekler<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0130statistik alan\u0131nda rastgelele\u015ftirme , \u00e7al\u0131\u015fma deneklerinin farkl\u0131 tedavi gruplar\u0131na rastgele atanmas\u0131 eylemini ifade eder. \u00d6rne\u011fin, ara\u015ft\u0131rmac\u0131lar\u0131n iki farkl\u0131 hap\u0131n kan bas\u0131nc\u0131 \u00fczerinde farkl\u0131 etkileri olup olmad\u0131\u011f\u0131n\u0131 anlamay\u0131 umduklar\u0131 bir \u00e7al\u0131\u015fmaya kat\u0131lmak \u00fczere 100 denek toplad\u0131\u011f\u0131n\u0131 varsayal\u0131m. Her dene\u011fe 1 numaral\u0131 hap\u0131 veya 2 numaral\u0131 hap\u0131 kullanmas\u0131n\u0131 rastgele atamak i\u00e7in bir rastgele say\u0131 \u00fcreteci kullanmaya karar [&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-1431","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>\u0130statistiklerde rastgelele\u015ftirme: tan\u0131m ve \u00f6rnek<\/title>\n<meta name=\"description\" content=\"Bu e\u011fitimde, bir tan\u0131m ve \u00e7e\u015fitli \u00f6rnekler de dahil olmak \u00fczere istatistiklerde rastgelele\u015ftirmenin bir a\u00e7\u0131klamas\u0131 sa\u011flanmaktad\u0131r.\" \/>\n<meta name=\"robots\" content=\"index, follow, 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