

{"id":730907,"date":"2018-11-12T04:22:54","date_gmt":"2018-11-12T11:22:54","guid":{"rendered":"https:\/\/www.questionpro.com\/blog\/ornek-tanim-metodolojiler-turler-formul-ve-ornekler\/"},"modified":"2018-11-12T04:22:54","modified_gmt":"2018-11-12T04:22:54","slug":"ornek-tanim-metodolojiler-turler-formul-ve-ornekler","status":"publish","type":"post","link":"https:\/\/www.questionpro.com\/blog\/tr\/ornek-tanim-metodolojiler-turler-formul-ve-ornekler\/","title":{"rendered":"\u00d6rnek: Tan\u0131m, Metodolojiler, T\u00fcrler, Form\u00fcl ve \u00d6rnekler"},"content":{"rendered":"<p>Ara\u015ft\u0131rmac\u0131lar, bir pazar ara\u015ft\u0131rmas\u0131 \u00e7al\u0131\u015fmas\u0131 ya da sahadaki mevcut bir anket i\u00e7in do\u011fru anket kat\u0131l\u0131mc\u0131lar\u0131n\u0131 ne s\u0131kl\u0131kla ar\u0131yor? Bu ara\u015ft\u0131rman\u0131n \u00f6rneklemi veya kat\u0131l\u0131mc\u0131lar\u0131, bilinen veya bilinmeyen bir dizi m\u00fc\u015fteri veya kullan\u0131c\u0131 aras\u0131ndan se\u00e7ilebilir. Genellikle tipik kat\u0131l\u0131mc\u0131 profilinizi biliyor olabilirsiniz ancak ara\u015ft\u0131rma \u00e7al\u0131\u015fman\u0131z\u0131 tamamlamak i\u00e7in kat\u0131l\u0131mc\u0131lara eri\u015fiminiz olmayabilir. B\u00f6yle zamanlarda, ara\u015ft\u0131rmac\u0131lar ve ara\u015ft\u0131rma ekipleri, ara\u015ft\u0131rma \u00e7al\u0131\u015fmalar\u0131n\u0131 ve anketleri tamamlamak i\u00e7in yan\u0131tlay\u0131c\u0131 panellerine eri\u015fmek veya onlardan yan\u0131tlay\u0131c\u0131 sat\u0131n almak i\u00e7in uzman kurulu\u015flara ula\u015f\u0131rlar. Bunlar, demografik kriterlere uyan genel n\u00fcfus kat\u0131l\u0131mc\u0131lar\u0131 veya belirli kriterlere dayal\u0131 kat\u0131l\u0131mc\u0131lar olabilir. Bu t\u00fcr kat\u0131l\u0131mc\u0131lar, ara\u015ft\u0131rma \u00e7al\u0131\u015fmalar\u0131n\u0131n ba\u015far\u0131s\u0131 i\u00e7in zorunludur.<\/p>\n<h2><b>Numune nedir?<\/b><\/h2>\n<p><b>Tan\u0131m: <\/b><span style=\"font-weight: 400;\">\u00d6rneklem, bir ara\u015ft\u0131rmac\u0131n\u0131n \u00f6nceden tan\u0131mlanm\u0131\u015f bir se\u00e7im y\u00f6ntemi kullanarak daha b\u00fcy\u00fck bir pop\u00fclasyondan se\u00e7ti\u011fi veya se\u00e7ti\u011fi daha k\u00fc\u00e7\u00fck bir veri k\u00fcmesi olarak tan\u0131mlan\u0131r. Bu unsurlar \u00f6rnek noktalar\u0131, \u00f6rnekleme birimleri veya g\u00f6zlemler olarak bilinir. \u00d6rneklem olu\u015fturmak, etkili bir ara\u015ft\u0131rma y\u00f6ntemidir  <\/span><a href=\"https:\/\/www.questionpro.com\/blog\/what-is-research\/\"><span style=\"font-weight: 400;\">ara\u015ft\u0131rma<\/span><\/a><span style=\"font-weight: 400;\">. \u00c7o\u011fu durumda, t\u00fcm n\u00fcfusu ara\u015ft\u0131rmak imkans\u0131zd\u0131r veya maliyetli ve zaman al\u0131c\u0131d\u0131r. Dolay\u0131s\u0131yla, \u00f6rneklemin incelenmesi, ara\u015ft\u0131rmac\u0131n\u0131n t\u00fcm evrene uygulayabilece\u011fi i\u00e7g\u00f6r\u00fcler sa\u011flar.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00d6rne\u011fin, bir cep telefonu \u00fcreticisi ABD \u00dcniversitelerindeki \u00f6\u011frenciler aras\u0131nda bir \u00f6zellik ara\u015ft\u0131rmas\u0131 yapmak isterse. Ara\u015ft\u0131rmac\u0131, \u00f6\u011frencilerin kulland\u0131klar\u0131 \u00f6zellikleri, g\u00f6rmek istedikleri \u00f6zellikleri ve \u00f6demeye haz\u0131r olduklar\u0131 fiyat\u0131 ar\u0131yorsa, derinlemesine bir ara\u015ft\u0131rma \u00e7al\u0131\u015fmas\u0131 yap\u0131lmal\u0131d\u0131r. Bu ad\u0131m, geli\u015ftirilmesi gereken \u00f6zellikleri, y\u00fckseltilmesi gereken \u00f6zellikleri, cihaz\u0131n fiyatland\u0131rmas\u0131n\u0131 ve pazara \u00e7\u0131k\u0131\u015f stratejisini anlamak i\u00e7in zorunludur.  <\/span><\/p>\n<p><span style=\"font-weight: 400;\">Sadece 2016\/17 d\u00f6neminde ABD&#8217;deki \u00fcniversitelere kay\u0131tl\u0131 24,7 milyon \u00f6\u011frenci vard\u0131. Bu \u00f6\u011frencilerin t\u00fcm\u00fcn\u00fc ara\u015ft\u0131rmak imkans\u0131zd\u0131r; harcanan zaman yeni cihaz\u0131 gereksiz k\u0131lar ve geli\u015ftirme i\u00e7in harcanan para \u00e7al\u0131\u015fmay\u0131 i\u015fe yaramaz hale getirir. Co\u011frafi konuma g\u00f6re \u00fcniversitelerden bir \u00f6rneklem olu\u015fturmak ve daha sonra bu \u00fcniversitelerden bu \u00f6\u011frencilerden bir \u00f6rneklem olu\u015fturmak, ara\u015ft\u0131rma i\u00e7in yeterince b\u00fcy\u00fck say\u0131da \u00f6\u011frenci sa\u011flar.<\/span><\/p>\n<p style=\"text-align: center;\"><a class=\"square-cta secondary-lined-cta\" href=\"https:\/\/www.questionpro.com\/a\/showEntry.do?mode=audience&amp;sourceRef=blog-audience\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>Kat\u0131l\u0131mc\u0131lar\u0131n\u0131z\u0131 se\u00e7in<\/strong><\/a><\/p>\n<p><span style=\"font-weight: 400;\">Tipik olarak, n\u00fcfus <\/span><a href=\"https:\/\/www.questionpro.com\/blog\/what-is-market-research\/\"><br \/>\n  <span style=\"font-weight: 400;\">pazar ara\u015ft\u0131rmas\u0131<\/span><br \/>\n<\/a><span style=\"font-weight: 400;\">  muazzam. T\u00fcm n\u00fcfusun say\u0131m\u0131n\u0131 yapmak pratikte imkans\u0131zd\u0131r. \u00d6rneklem genellikle bu pop\u00fclasyondan y\u00f6netilebilir bir b\u00fcy\u00fckl\u00fc\u011f\u00fc temsil eder. Ara\u015ft\u0131rmac\u0131lar daha sonra bu \u00f6rneklemlerden anketler, yoklamalar ve soru formlar\u0131 \u015feklinde veri toplar ve bu veri analizini daha geni\u015f bir toplulu\u011fa tahmin eder.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-124291\" src=\"https:\/\/www.questionpro.com\/blog\/wp-content\/uploads\/2018\/11\/what-is-sample-vs-population-min.jpg\" alt=\"\u00d6rnek Nedir\" width=\"900\" height=\"546\"><\/p>\n<h3><b>\u00d6rnek t\u00fcrleri: \u00d6rneklerle \u00f6rnek se\u00e7im metodolojileri<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Bir \u00f6rneklem elde etme s\u00fcrecine \u00f6rnekleme y\u00f6ntemi denir. \u00d6rnekleme, bir ara\u015ft\u0131rma \u00e7al\u0131\u015fmas\u0131n\u0131n par\u00e7as\u0131 olarak toplanabilecek nicel verileri ve nitel verileri t\u00fcreten bir y\u00f6ntem oldu\u011fu i\u00e7in ara\u015ft\u0131rma tasar\u0131m\u0131n\u0131n ayr\u0131lmaz bir par\u00e7as\u0131n\u0131 olu\u015fturur. \u00d6rnekleme <a href=\"https:\/\/www.questionpro.com\/blog\/types-of-sampling-for-social-research\/\">y\u00f6ntemleri<\/a> iki farkl\u0131 yakla\u015f\u0131mla karakterize edilir: olas\u0131l\u0131kl\u0131 \u00f6rnekleme ve olas\u0131l\u0131kl\u0131 olmayan \u00f6rnekleme.<\/span><\/p>\n<h4><b>\u00d6rneklerle olas\u0131l\u0131k \u00f6rnekleme metodolojileri<\/b><\/h4>\n<p><a href=\"https:\/\/www.questionpro.com\/blog\/probability-sampling\/\"><span style=\"font-weight: 400;\">Olas\u0131l\u0131k \u00f6rneklemesi<\/span><\/a><span style=\"font-weight: 400;\">  Olas\u0131l\u0131k teorisine dayal\u0131 olarak nesnelerin bir pop\u00fclasyondan se\u00e7ildi\u011fi bir \u00f6rneklem t\u00fcretme y\u00f6ntemidir. Bu y\u00f6ntem pop\u00fclasyondaki herkesi kapsar ve herkesin se\u00e7ilme \u015fans\u0131 e\u015fittir. Dolay\u0131s\u0131yla, bu t\u00fcr bir \u00f6rneklemde herhangi bir yanl\u0131l\u0131k s\u00f6z konusu de\u011fildir. Pop\u00fclasyondaki her bir ki\u015fi daha sonra ara\u015ft\u0131rman\u0131n bir par\u00e7as\u0131 olabilir. Se\u00e7im kriterlerine pazar ara\u015ft\u0131rmas\u0131 \u00e7al\u0131\u015fmas\u0131n\u0131n ba\u015flang\u0131c\u0131nda karar verilir ve ara\u015ft\u0131rman\u0131n \u00f6nemli bir bile\u015fenini olu\u015fturur.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Olas\u0131l\u0131k \u00f6rneklemesi ayr\u0131ca d\u00f6rt farkl\u0131 \u00f6rnek t\u00fcr\u00fc olarak s\u0131n\u0131fland\u0131r\u0131labilir. Onlar:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\"><b>Basit rastgele \u00f6rnekleme:<\/b> <span style=\"font-weight: 400;\">Bir \u00f6rneklem se\u00e7menin en basit yolu \u015fudur <\/span><a href=\"https:\/\/www.questionpro.com\/blog\/simple-random-sampling\/\"><br \/>\n  <span style=\"font-weight: 400;\">basit rastgele \u00f6rnekleme<\/span><br \/>\n<\/a><span style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">. Bu y\u00f6ntemde her \u00fcye \u00e7al\u0131\u015fman\u0131n bir par\u00e7as\u0131 olma konusunda e\u015fit \u015fansa sahiptir. Bu \u00f6rnek pop\u00fclasyondaki nesneler tamamen rastgele se\u00e7ilir ve her bir \u00fcye ayn\u0131 se\u00e7ilme olas\u0131l\u0131\u011f\u0131na sahiptir.  <\/span><\/span>\u00d6rne\u011fin, bir \u00fcniversite dekan\u0131 \u00f6\u011frencilerden \u00f6\u011fretmenlere ve e\u011fitim d\u00fczeyine ili\u015fkin alg\u0131lar\u0131 hakk\u0131nda geri bildirim toplamak isterse, \u00fcniversitedeki 1000 \u00f6\u011frencinin tamam\u0131 bu \u00f6rneklemin bir par\u00e7as\u0131 olabilir. Herhangi 100 \u00f6\u011frenci bu \u00f6rneklemin bir par\u00e7as\u0131 olmak \u00fczere rastgele se\u00e7ilebilir.<\/li>\n<li style=\"font-weight: 400;\"><b>K\u00fcme \u00f6rneklemesi:<\/b> <a href=\"https:\/\/www.questionpro.com\/blog\/cluster-sampling\/\">K\u00fcme<\/a> \u00f6rneklemesi, kat\u0131l\u0131mc\u0131 pop\u00fclasyonunun e\u015fit k\u00fcmelere ayr\u0131ld\u0131\u011f\u0131 bir \u00f6rnekleme y\u00f6ntemidir. K\u00fcmeler belirlenir ve ya\u015f, konum, cinsiyet gibi demografik parametrelerin tan\u0131mlanmas\u0131na dayal\u0131 olarak bir \u00f6rne\u011fe dahil edilir. Bu, anketi haz\u0131rlayan ki\u015finin geri bildirimlerden pratik \u00e7\u0131kar\u0131mlar yapmas\u0131n\u0131 son derece kolayla\u015ft\u0131r\u0131r. \u00d6rne\u011fin, FDA ila\u00e7lar\u0131n olumsuz yan etkileri hakk\u0131nda veri toplamak istiyorsa, ABD anakaras\u0131n\u0131 eyaletler gibi farkl\u0131 k\u00fcmelere ay\u0131rabilir. Ara\u015ft\u0131rma \u00e7al\u0131\u015fmalar\u0131 daha sonra bu k\u00fcmelerdeki kat\u0131l\u0131mc\u0131lara uygulanmaktad\u0131r. Bu t\u00fcr bir \u00f6rneklem olu\u015fturma, veri toplamay\u0131 derinlemesine yapar ve i\u00e7g\u00f6r\u00fclerin kolayca t\u00fcketilmesini ve bunlara g\u00f6re hareket edilmesini sa\u011flar.<\/li>\n<li style=\"font-weight: 400;\"><b>Sistematik \u00f6rnekleme:<\/b> <a href=\"https:\/\/www.questionpro.com\/blog\/systematic-sampling\/\"><br \/>\n  <span style=\"font-weight: 400;\">Sistematik \u00f6rnekleme<\/span><br \/>\n<\/a><span style=\"font-weight: 400;\">  ara\u015ft\u0131rmac\u0131n\u0131n bir pop\u00fclasyondan e\u015fit aral\u0131klarla kat\u0131l\u0131mc\u0131 se\u00e7ti\u011fi bir \u00f6rnekleme y\u00f6ntemidir. \u00d6rneklem se\u00e7me yakla\u015f\u0131m\u0131, bir ba\u015flang\u0131\u00e7 noktas\u0131 se\u00e7mek ve daha sonra \u00f6nceden tan\u0131mlanm\u0131\u015f bir \u00f6rneklem aral\u0131\u011f\u0131nda kat\u0131l\u0131mc\u0131lar\u0131 se\u00e7mektir. \u00d6rne\u011fin, 10.000 ki\u015filik bir ba\u015fvuru listesinden Olimpiyatlar i\u00e7in 1.000 g\u00f6n\u00fcll\u00fc se\u00e7ilirken, her bir ba\u015fvuru sahibine 1 ila 10.000 aras\u0131nda bir say\u0131 verilir. Daha sonra 1&#8217;den ba\u015flayarak ve her bir kat\u0131l\u0131mc\u0131y\u0131 10 aral\u0131kla se\u00e7erek 1.000 g\u00f6n\u00fcll\u00fcden olu\u015fan bir \u00f6rneklem elde edilebilir<\/span><span style=\"font-weight: 400;\"><span style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">.<\/span><\/span><\/span><\/li>\n<li style=\"font-weight: 400;\"><b>Tabakal\u0131 rastgele \u00f6rnekleme:<\/b> Tabakal\u0131 rastgele <a href=\"https:\/\/www.questionpro.com\/blog\/stratified-random-sampling\/\">\u00f6rnekleme<\/a>, ara\u015ft\u0131rma tasar\u0131m\u0131 a\u015famas\u0131nda kat\u0131l\u0131mc\u0131 pop\u00fclasyonunu farkl\u0131 ancak \u00f6nceden tan\u0131mlanm\u0131\u015f parametrelere b\u00f6lme y\u00f6ntemidir. Bu y\u00f6ntemde, kat\u0131l\u0131mc\u0131lar \u00fcst \u00fcste binmez, ancak toplu olarak t\u00fcm n\u00fcfusu temsil eder. \u00d6rne\u011fin, farkl\u0131 sosyoekonomik ge\u00e7mi\u015flerden gelen insanlar\u0131 analiz etmek isteyen bir ara\u015ft\u0131rmac\u0131, kat\u0131l\u0131mc\u0131lar\u0131 y\u0131ll\u0131k maa\u015flar\u0131na g\u00f6re ay\u0131rabilir. Bu \u015fekilde daha k\u00fc\u00e7\u00fck insan gruplar\u0131 veya \u00f6rnekler olu\u015fturulur ve daha sonra bu \u00f6rneklerden baz\u0131 nesneler ara\u015ft\u0131rma \u00e7al\u0131\u015fmas\u0131 i\u00e7in kullan\u0131labilir.<\/li>\n<\/ul>\n<h4><b>\u00d6rneklerle olas\u0131l\u0131kl\u0131 olmayan \u00f6rnekleme metodolojileri<\/b><\/h4>\n<p><span style=\"font-weight: 400;\">Bu <\/span><a href=\"https:\/\/www.questionpro.com\/blog\/non-probability-sampling\/\"><br \/>\n  <span style=\"font-weight: 400;\">olas\u0131l\u0131kl\u0131 olmayan \u00f6rnekleme<\/span><br \/>\n<\/a><span style=\"font-weight: 400;\">  Y\u00f6ntem, \u00f6rneklem se\u00e7iminde ara\u015ft\u0131rmac\u0131n\u0131n takdir yetkisini kullan\u0131r. Bu t\u00fcr bir \u00f6rneklem, \u00e7o\u011funlukla ara\u015ft\u0131rmac\u0131n\u0131n veya istatistik\u00e7inin bu \u00f6rnekleme ula\u015fma becerisinden kaynaklan\u0131r. Bu t\u00fcr \u00f6rnekleme, birincil amac\u0131n ara\u015ft\u0131rma konusu hakk\u0131nda bir hipotez t\u00fcretmek oldu\u011fu \u00f6n ara\u015ft\u0131rmalar i\u00e7in kullan\u0131l\u0131r. Burada her \u00fcyenin \u00f6rneklem pop\u00fclasyonunun bir par\u00e7as\u0131 olma \u015fans\u0131 e\u015fit de\u011fildir ve bu parametreler ancak \u00f6rnekleme se\u00e7ildikten sonra bilinir.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Olas\u0131l\u0131ks\u0131z \u00f6rneklemeyi d\u00f6rt farkl\u0131 \u00f6rneklem t\u00fcr\u00fc olarak s\u0131n\u0131fland\u0131rabiliriz. Onlar:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\"><b>Uygunluk \u00f6rneklemesi: <\/b><a href=\"https:\/\/www.questionpro.com\/blog\/convenience-sampling\/\"><br \/>\n  <span style=\"font-weight: 400;\">Uygunluk \u00f6rneklemesi<\/span><br \/>\n<\/a><span style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">basit bir ifadeyle, bir ara\u015ft\u0131rmac\u0131n\u0131n bir kat\u0131l\u0131mc\u0131ya eri\u015fim kolayl\u0131\u011f\u0131 anlam\u0131na gelir. Bu \u00f6rne\u011fi elde etmenin bilimsel bir y\u00f6ntemi yoktur. Ara\u015ft\u0131rmac\u0131lar\u0131n \u00f6rneklem unsurlar\u0131n\u0131 se\u00e7me konusunda neredeyse hi\u00e7bir yetkisi yoktur ve bu tamamen yak\u0131nl\u0131k esas\u0131na g\u00f6re yap\u0131l\u0131r, temsiliyet esas\u0131na g\u00f6re de\u011fil.<\/span><\/span>Bu olas\u0131l\u0131kl\u0131 olmayan \u00f6rnekleme y\u00f6ntemi, geri bildirim toplamada zaman ve maliyet s\u0131n\u0131rlamalar\u0131 oldu\u011funda kullan\u0131l\u0131r. \u00d6rne\u011fin, bir parf\u00fcm \u00fcreticisine ait bir kokunun kullan\u0131lma olas\u0131l\u0131\u011f\u0131n\u0131 anlamak i\u00e7in bir al\u0131\u015fveri\u015f merkezi anketi y\u00fcr\u00fcten ara\u015ft\u0131rmac\u0131lar. Bu \u00f6rnekleme y\u00f6nteminde, \u00f6rneklem kat\u0131l\u0131mc\u0131lar\u0131 tamamen anket masas\u0131na yak\u0131nl\u0131klar\u0131na ve ara\u015ft\u0131rmaya kat\u0131lmaya istekli olmalar\u0131na g\u00f6re se\u00e7ilmektedir.<\/li>\n<li style=\"font-weight: 400;\"><b>Yarg\u0131sal\/ama\u00e7sal \u00f6rnekleme:<\/b> <span style=\"font-weight: 400;\">Bu \u00f6rnekleme <\/span><a href=\"https:\/\/www.questionpro.com\/blog\/judgmental-sampling\/\"><br \/>\n  <span style=\"font-weight: 400;\">yarg\u0131sal veya ama\u00e7l\u0131 \u00f6rnekleme<\/span><br \/>\n<\/a><span style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">  y\u00f6ntemi, ara\u015ft\u0131rmac\u0131n\u0131n hedef kitleyi anlamas\u0131n\u0131n yan\u0131 s\u0131ra \u00e7al\u0131\u015fman\u0131n do\u011fas\u0131 temelinde tamamen kendi takdirine ba\u011fl\u0131 olarak bir \u00f6rneklem geli\u015ftirme y\u00f6ntemidir. Bu \u00f6rnekleme y\u00f6nteminde, sadece ara\u015ft\u0131rma kriterlerine ve nihai hedeflere uyan ki\u015filer se\u00e7ilir ve geri kalanlar d\u0131\u015far\u0131da tutulur.<\/span><\/span>\u00d6rne\u011fin, ara\u015ft\u0131rma konusu bir \u00f6\u011frencinin y\u00fcksek lisans i\u00e7in hangi \u00fcniversiteyi tercih etti\u011fini anlamaksa, sorulan soru &#8220;Y\u00fcksek lisans yapmak ister misiniz?&#8221; ise, bu soruya &#8220;Evet&#8221; yan\u0131t\u0131 d\u0131\u015f\u0131nda kalan herkes bu \u00e7al\u0131\u015fman\u0131n d\u0131\u015f\u0131nda tutulur.<\/li>\n<li style=\"font-weight: 400;\"><b>Kartopu \u00f6rneklemesi:<\/b> <a href=\"https:\/\/www.questionpro.com\/blog\/snowball-sampling\/\"><br \/>\n  <span style=\"font-weight: 400;\">Kartopu \u00f6rneklemesi<\/span><br \/>\n<\/a><span style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">  veya zincirleme y\u00f6nlendirme \u00f6rneklemesi, \u00f6rneklerin bulunmas\u0131 nadir olan \u00f6zelliklere sahip oldu\u011fu olas\u0131l\u0131kl\u0131 olmayan bir \u00f6rnekleme tekni\u011fi olarak tan\u0131mlan\u0131r. Bu, mevcut deneklerin bir ara\u015ft\u0131rma \u00e7al\u0131\u015fmas\u0131 i\u00e7in gerekli olan \u00f6rneklerin toplanmas\u0131 i\u00e7in y\u00f6nlendirmeler sa\u011flad\u0131\u011f\u0131 bir \u00f6rnekleme tekni\u011fidir.<\/span><\/span>\u00d6rne\u011fin, AIDS gibi hassas bir konu hakk\u0131nda geri bildirim toplan\u0131rken, kat\u0131l\u0131mc\u0131lar bilgi vermeye yana\u015fmamaktad\u0131r. Bu durumda ara\u015ft\u0131rmac\u0131, bu ki\u015fileri anlayan veya bilen ki\u015fileri i\u015fe alabilir ve onlardan bilgi toplayabilir veya onlardan bilgi toplamalar\u0131n\u0131 isteyebilir.<\/li>\n<li style=\"font-weight: 400;\"><b>Kota \u00f6rneklemesi: <\/b><a href=\"https:\/\/www.questionpro.com\/blog\/quota-sampling\/\">Kota \u00f6rnek<\/a> lemesi, ara\u015ft\u0131rmac\u0131n\u0131n tabakalar\u0131na g\u00f6re bir \u00f6rneklem se\u00e7me \u00f6zg\u00fcrl\u00fc\u011f\u00fcne sahip oldu\u011fu bir \u00f6rneklem toplama y\u00f6ntemidir. Bu y\u00f6ntemin temel \u00f6zelli\u011fi, iki ki\u015finin iki farkl\u0131 ko\u015ful alt\u0131nda var olamayaca\u011f\u0131d\u0131r. \u00d6rne\u011fin, bir ayakkab\u0131 \u00fcreticisi Y ku\u015fa\u011f\u0131n\u0131n marka alg\u0131s\u0131n\u0131 konfor, fiyatland\u0131rma gibi di\u011fer parametrelerle birlikte anlamak istedi\u011finde. Ara\u015ft\u0131rman\u0131n amac\u0131 kad\u0131n ayakkab\u0131lar\u0131 hakk\u0131nda geri bildirim toplamak oldu\u011fundan, bu \u00e7al\u0131\u015fma i\u00e7in yaln\u0131zca Y ku\u015fa\u011f\u0131 olan kad\u0131nlar se\u00e7ilmi\u015ftir.<\/li>\n<\/ul>\n<h3><b>\u00d6rneklem b\u00fcy\u00fckl\u00fc\u011f\u00fc nas\u0131l belirlenir?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Yukar\u0131da \u00f6\u011frendi\u011fimiz gibi, bir pazar ara\u015ft\u0131rmas\u0131 \u00e7al\u0131\u015fmas\u0131nda veri toplaman\u0131n ba\u015far\u0131s\u0131 i\u00e7in do\u011fru \u00f6rneklem b\u00fcy\u00fckl\u00fc\u011f\u00fc \u00e7ok \u00f6nemlidir. Ancak \u00f6rneklem b\u00fcy\u00fckl\u00fc\u011f\u00fc i\u00e7in do\u011fru bir say\u0131 var m\u0131? \u00d6rneklem b\u00fcy\u00fckl\u00fc\u011f\u00fcne hangi parametreler karar verir? Anketin da\u011f\u0131t\u0131m y\u00f6ntemleri nelerdir? T\u00fcm bunlar\u0131 anlamak ve do\u011fru \u00f6rneklem b\u00fcy\u00fckl\u00fc\u011f\u00fcn\u00fc bilin\u00e7li bir \u015fekilde hesaplamak i\u00e7in \u00f6ncelikle bir \u00f6rneklemin temel \u00f6zelliklerini olu\u015fturan d\u00f6rt \u00f6nemli de\u011fi\u015fkeni anlamak gerekir. Onlar:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\"><b>N\u00fcfus b\u00fcy\u00fckl\u00fc\u011f\u00fc: <\/b><span style=\"font-weight: 400;\"><span style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Evren b\u00fcy\u00fckl\u00fc\u011f\u00fc, ara\u015ft\u0131rma \u00e7al\u0131\u015fmas\u0131 i\u00e7in dikkate al\u0131nabilecek t\u00fcm insanlard\u0131r. Bu say\u0131, \u00e7o\u011fu durumda \u00e7ok b\u00fcy\u00fck miktarlara ula\u015fmaktad\u0131r. \u00d6rne\u011fin, Amerika Birle\u015fik Devletleri&#8217;nin n\u00fcfusu 327 milyondur. Ancak pazar ara\u015ft\u0131rmas\u0131nda, ara\u015ft\u0131rma \u00e7al\u0131\u015fmas\u0131 i\u00e7in bunlar\u0131n hepsini dikkate almak imkans\u0131zd\u0131r.<\/span><\/span><\/span><\/li>\n<li style=\"font-weight: 400;\"><b>Hata pay\u0131 (g\u00fcven aral\u0131\u011f\u0131):<\/b><span style=\"font-weight: 400;\"><span style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">  Hata pay\u0131, n\u00fcfusun ka\u00e7ta ka\u00e7\u0131n\u0131n t\u00fcm n\u00fcfusun ger\u00e7ek g\u00f6r\u00fc\u015flerini yans\u0131tt\u0131\u011f\u0131na dair g\u00fcven hakk\u0131nda istatistiksel bir \u00e7\u0131kar\u0131m olan bir y\u00fczde ile g\u00f6sterilir. Bu y\u00fczde, \u00f6rneklem se\u00e7iminde istatistiksel analize ve bunda ne kadar hatan\u0131n kabul edilebilir olaca\u011f\u0131na yard\u0131mc\u0131 olur.<\/span><\/span><\/span><\/li>\n<li style=\"font-weight: 400;\"><b>G\u00fcven seviyesi:<\/b><span style=\"font-weight: 400;\"><span style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">  Bu metrik, ger\u00e7ek ortalaman\u0131n bir g\u00fcven aral\u0131\u011f\u0131nda nereye d\u00fc\u015ft\u00fc\u011f\u00fcn\u00fc \u00f6l\u00e7er. En yayg\u0131n g\u00fcven aral\u0131klar\u0131 %90, %95 ve %99&#8217;dur.<\/span><\/span><\/span><\/li>\n<li style=\"font-weight: 400;\"><b>Standart sapma:<\/b> Bu metrik bir anketteki varyans\u0131 kapsar. Dikkate al\u0131nmas\u0131 gereken g\u00fcvenli bir say\u0131 .5&#8217;tir, bu da \u00f6rneklem b\u00fcy\u00fckl\u00fc\u011f\u00fcn\u00fcn bu kadar b\u00fcy\u00fck olmas\u0131 gerekti\u011fi anlam\u0131na gelir.<\/li>\n<\/ul>\n<h3><b>\u00d6rneklem b\u00fcy\u00fckl\u00fc\u011f\u00fcn\u00fcn hesaplanmas\u0131<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">\u00d6rneklem b\u00fcy\u00fckl\u00fc\u011f\u00fcn\u00fc hesaplamak i\u00e7in a\u015fa\u011f\u0131daki parametrelere ihtiyac\u0131n\u0131z vard\u0131r.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Z-skoru: Z-skor de\u011feri bulunabilir, <\/span><a href=\"http:\/\/www.sjsu.edu\/faculty\/gerstman\/StatPrimer\/z-two-tails.pdf\"><br \/>\n  <span style=\"font-weight: 400;\">Burada<\/span><br \/>\n<\/a><span style=\"font-weight: 400;\">.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Standart sapma<\/span><\/li>\n<li style=\"font-weight: 400;\"><a href=\"https:\/\/www.questionpro.com\/blog\/margin-of-error\/\"><span style=\"font-weight: 400;\">Hata pay\u0131<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">G\u00fcven seviyesi<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">\u00d6rneklem b\u00fcy\u00fckl\u00fc\u011f\u00fcn\u00fc hesaplamak i\u00e7in bu form\u00fcl\u00fc kullan\u0131n:  <\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00d6rneklem B\u00fcy\u00fckl\u00fc\u011f\u00fc = (Z-skor)2 * StdDev*(1-StdDev) \/ (hata pay\u0131)2<\/span><\/p>\n<p><span style=\"font-weight: 400;\">G\u00fcven d\u00fczeyinin %90, standart sapman\u0131n .6 ve hata pay\u0131n\u0131n +\/-%4 oldu\u011funu g\u00f6z \u00f6n\u00fcnde bulundurun<\/span><\/p>\n<p><span style=\"font-weight: 400;\">((1.64)2 x .6(.6)) \/ (.04)2<\/span><\/p>\n<p><span style=\"font-weight: 400;\">( 2.68x .0.36) \/ .0016<\/span><\/p>\n<p><span style=\"font-weight: 400;\">.9648 \/ .0016<\/span><\/p>\n<p><span style=\"font-weight: 400;\">603<\/span><\/p>\n<p><span style=\"font-weight: 400;\">603 kat\u0131l\u0131mc\u0131ya ihtiya\u00e7 vard\u0131r ve bu sizin \u00f6rneklem b\u00fcy\u00fckl\u00fc\u011f\u00fcn\u00fcz olur.<\/span><\/p>\n<p>N\u00fcfus, hata pay\u0131 ve g\u00fcven d\u00fczeyi vermek i\u00e7in <a href=\"https:\/\/www.questionpro.com\/sample-size-calculator\/\">\u00f6rneklem b\u00fcy\u00fckl\u00fc\u011f\u00fc hesaplay\u0131c\u0131m\u0131z\u0131<\/a> deneyin.<\/p>\n<h3><b>\u00d6rnekleme avantajlar\u0131<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Yukar\u0131da g\u00f6sterildi\u011fi gibi, \u00f6rneklemenin bir\u00e7ok avantaj\u0131 vard\u0131r. En \u00f6nemli avantajlardan baz\u0131lar\u0131 \u015funlard\u0131r:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\"><b>Azalt\u0131lm\u0131\u015f maliyet ve zaman:  <\/b><span style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u00d6rneklem kullanmak, ula\u015f\u0131lmas\u0131 gereken ki\u015fi say\u0131s\u0131n\u0131 azaltt\u0131\u011f\u0131 i\u00e7in maliyeti ve zaman\u0131 azalt\u0131r. Milyonlarca ki\u015filik bir pop\u00fclasyonla ara\u015ft\u0131rma yapmak ile bir \u00f6rneklem kullanarak ara\u015ft\u0131rma \u00e7al\u0131\u015fmas\u0131 y\u00fcr\u00fctmek aras\u0131nda kazan\u0131lan zaman\u0131 bir d\u00fc\u015f\u00fcn\u00fcn.<\/span><\/span><\/li>\n<li style=\"font-weight: 400;\"><b>Azalt\u0131lm\u0131\u015f kaynak da\u011f\u0131t\u0131m\u0131:<\/b><span style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">  Bir ara\u015ft\u0131rma \u00e7al\u0131\u015fmas\u0131na kat\u0131lan ki\u015fi say\u0131s\u0131 \u00f6rneklem nedeniyle \u00e7ok daha d\u00fc\u015f\u00fckse, gereken kaynaklar\u0131n da \u00e7ok daha az olaca\u011f\u0131 a\u00e7\u0131kt\u0131r. \u00d6rneklemi ara\u015ft\u0131rmak i\u00e7in gereken i\u015fg\u00fcc\u00fc, t\u00fcm n\u00fcfusu incelemek i\u00e7in gereken i\u015fg\u00fcc\u00fcnden \u00e7ok daha azd\u0131r.<\/span><\/span><\/li>\n<li style=\"font-weight: 400;\"><b>Verilerin do\u011frulu\u011fu:  <\/b><span style=\"font-weight: 400;\">\u00d6rneklem evreni temsil etti\u011finden, toplanan veriler do\u011frudur. Ayr\u0131ca, kat\u0131l\u0131mc\u0131 kat\u0131lmaya istekli oldu\u011fu i\u00e7in  <\/span><a href=\"https:\/\/www.questionpro.com\/blog\/what-is-survey-dropout-analysis\/\"><br \/>\n  <span style=\"font-weight: 400;\">anket b\u0131rakma oran\u0131<\/span><br \/>\n<\/a><span style=\"font-weight: 400;\"><br \/>\n  <span style=\"font-weight: 400;\"> \u00e7ok daha d\u00fc\u015f\u00fckt\u00fcr, bu da verilerin ge\u00e7erlili\u011fini ve do\u011frulu\u011funu art\u0131r\u0131r.<\/span><br \/>\n<\/span><\/li>\n<li style=\"font-weight: 400;\"><b>Yo\u011fun ve kapsaml\u0131 veriler:<\/b><span style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">  Kat\u0131l\u0131mc\u0131 say\u0131s\u0131 daha az oldu\u011fu i\u00e7in \u00f6rneklemden toplanan veriler yo\u011fun ve kapsaml\u0131 olmaktad\u0131r. \u00c7ok say\u0131da ki\u015fiden veri toplamak yerine her bir kat\u0131l\u0131mc\u0131 i\u00e7in daha fazla zaman ve \u00e7aba harcan\u0131r.<\/span><\/span><\/li>\n<li style=\"font-weight: 400;\"><b>\u00d6zellikleri daha geni\u015f bir pop\u00fclasyona uygulay\u0131n:<\/b><span style=\"font-weight: 400;\"> \u00d6rneklem daha geni\u015f bir pop\u00fclasyonun g\u00f6stergesi oldu\u011fundan, \u00f6rneklemden toplanan ve analiz edilen verilerin daha geni\u015f bir pop\u00fclasyona uygulanabilece\u011fini ve do\u011fru olaca\u011f\u0131n\u0131 s\u00f6ylemek g\u00fcvenlidir.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Ara\u015ft\u0131rma i\u00e7in do\u011fru veri toplamak, k\u00f6t\u00fc panelistleri filtrelemek ve farkl\u0131 kontrol \u00f6nlemleri uygulayarak <a href=\"https:\/\/www.questionpro.com\/blog\/sampling-bias\/\">\u00f6rnekleme yanl\u0131l\u0131\u011f\u0131n\u0131<\/a> ortadan kald\u0131rmak. Bir sonraki pazar ara\u015ft\u0131rmas\u0131 projeniz i\u00e7in \u00f6rnek bir kitle ayarlama konusunda yard\u0131ma ihtiyac\u0131n\u0131z varsa, <a href=\"mailto:sales@questionpro.com\">sales@questionpro.com<\/a> adresinden bizimle ileti\u015fime ge\u00e7in.<\/span><span style=\"font-weight: 400;\">. D\u00fcnya genelinde 22 milyondan fazla panelistimiz var!<\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-weight: 400;\"><br \/>\n<a class=\"square-cta secondary-lined-cta\" href=\"https:\/\/www.questionpro.com\/a\/showEntry.do?mode=audience&amp;sourceRef=blog-audience\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>Kat\u0131l\u0131mc\u0131lar\u0131n\u0131z\u0131 se\u00e7in<\/strong><\/a><br \/>\n<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ara\u015ft\u0131rmac\u0131lar, bir pazar ara\u015ft\u0131rmas\u0131 \u00e7al\u0131\u015fmas\u0131 ya da sahadaki mevcut bir anket i\u00e7in do\u011fru anket kat\u0131l\u0131mc\u0131lar\u0131n\u0131 ne s\u0131kl\u0131kla ar\u0131yor? Bu ara\u015ft\u0131rman\u0131n [&hellip;]<\/p>\n","protected":false},"author":65,"featured_media":628177,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[1114],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u00d6rnek: Tan\u0131m, Metodolojiler, T\u00fcrler, Form\u00fcl ve \u00d6rnekler | QuestionPro<\/title>\n<meta name=\"description\" content=\"\u00d6rneklem, \u00f6nceden tan\u0131mlanm\u0131\u015f bir se\u00e7im y\u00f6ntemi kullan\u0131larak daha b\u00fcy\u00fck bir pop\u00fclasyondan se\u00e7ilen ve\/veya se\u00e7ilen daha k\u00fc\u00e7\u00fck bir veri k\u00fcmesi olarak tan\u0131mlan\u0131r. 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Ayr\u0131ca, \u00f6rneklem b\u00fcy\u00fckl\u00fc\u011f\u00fcn\u00fcn hesaplanmas\u0131na ili\u015fkin ad\u0131mlar\u0131n yan\u0131 s\u0131ra \u00e7evrimi\u00e7i \u00f6rneklemin ayr\u0131nt\u0131lar\u0131 ve \u00f6rneklem kullanman\u0131n avantajlar\u0131ndan da bahsedilmektedir.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.questionpro.com\/blog\/tr\/ornek-tanim-metodolojiler-turler-formul-ve-ornekler\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u00d6rnek: Tan\u0131m, Metodolojiler, T\u00fcrler, Form\u00fcl ve \u00d6rnekler | QuestionPro\" \/>\n<meta property=\"og:description\" content=\"\u00d6rneklem, \u00f6nceden tan\u0131mlanm\u0131\u015f bir se\u00e7im y\u00f6ntemi kullan\u0131larak daha b\u00fcy\u00fck bir pop\u00fclasyondan se\u00e7ilen ve\/veya se\u00e7ilen daha k\u00fc\u00e7\u00fck bir veri k\u00fcmesi olarak tan\u0131mlan\u0131r. 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