

{"id":730048,"date":"2022-08-16T10:00:21","date_gmt":"2022-08-16T10:00:21","guid":{"rendered":"https:\/\/www.questionpro.com\/blog\/calisma-populasyonu-ozellikler-ve-ornekleme-teknikleri\/"},"modified":"2022-12-20T05:24:57","modified_gmt":"2022-12-20T05:24:57","slug":"calisma-populasyonu-ozellikler-ve-ornekleme-teknikleri","status":"publish","type":"post","link":"https:\/\/www.questionpro.com\/blog\/tr\/calisma-populasyonu-ozellikler-ve-ornekleme-teknikleri\/","title":{"rendered":"\u00c7al\u0131\u015fma Pop\u00fclasyonu: \u00d6zellikler ve \u00d6rnekleme Teknikleri"},"content":{"rendered":"<p>Bir \u00e7al\u0131\u015fma pop\u00fclasyonunu nas\u0131l tan\u0131mlars\u0131n\u0131z? Ara\u015ft\u0131rma \u00e7al\u0131\u015fmalar\u0131, belirli gruplar\u0131n sonu\u00e7lar \u00e7\u0131karmas\u0131n\u0131 ve sonu\u00e7lar\u0131na dayanarak kararlar almas\u0131n\u0131 gerektirir. Bu ilgi grubu \u00f6rneklem olarak bilinir. Kat\u0131l\u0131mc\u0131lar\u0131 se\u00e7mek i\u00e7in kullan\u0131lan y\u00f6ntem \u00f6rnekleme olarak bilinir.<\/p>\n<h2>\u00c7al\u0131\u015fma Pop\u00fclasyonu Nedir?<\/h2>\n<p>\u00c7al\u0131\u015fma evreni, bir \u00e7al\u0131\u015fma veya istatistiksel muhakeme i\u00e7in dikkate al\u0131nan bir gruptur. \u00c7al\u0131\u015fma pop\u00fclasyonu sadece insan pop\u00fclasyonu ile s\u0131n\u0131rl\u0131 de\u011fildir. Ortak bir y\u00f6n\u00fc olan bir dizi unsurdur. Bir grup i\u00e7inde bir\u00e7ok \u00f6zelli\u011fe sahip nesneler, hayvanlar, \u00f6l\u00e7\u00fcler vb. olabilirler.<\/p>\n<p>\u00d6rne\u011fin, 30 ila 35 ya\u015flar\u0131 aras\u0131ndaki bir ki\u015finin belirli bir ila\u00e7 t\u00fcr\u00fcn\u00fc kulland\u0131ktan sonra belirli bir durumdan kurtulmas\u0131 i\u00e7in ge\u00e7en ortalama s\u00fcreyle ilgilendi\u011finizi varsayal\u0131m. Bu durumda, \u00e7al\u0131\u015fma evreni 30 ila 35 ya\u015f aras\u0131ndaki t\u00fcm insanlar olacakt\u0131r.<\/p>\n<p>T\u0131bbi bir \u00e7al\u0131\u015fma, bir \u015fehirdeki sokak k\u00f6peklerinde belirli bir hastal\u0131\u011f\u0131n yay\u0131lmas\u0131n\u0131 incelemektedir. Burada, o \u015fehre ait sokak k\u00f6pekleri \u00e7al\u0131\u015fma pop\u00fclasyonunu olu\u015fturmaktad\u0131r. Bu pop\u00fclasyon veya \u00f6rneklem, hakk\u0131nda sonuca varmak istedi\u011finiz t\u00fcm pop\u00fclasyonu temsil eder.<\/p>\n<h2>\u00c7al\u0131\u015fma pop\u00fclasyonu nas\u0131l olu\u015fturulur?<\/h2>\n<p>\u00d6rnekleme, genel olarak t\u00fcm grup hakk\u0131nda daha fazla bilgi edinmek i\u00e7in belirli bir gruptan se\u00e7ilen geni\u015f bir yelpazedeki insanlardan g\u00f6r\u00fc\u015f toplamak i\u00e7in g\u00fc\u00e7l\u00fc bir tekniktir.<\/p>\n<p>Herhangi bir ara\u015ft\u0131rma \u00e7al\u0131\u015fmas\u0131n\u0131n etkili olabilmesi i\u00e7in, t\u00fcm n\u00fcfusu ger\u00e7ekten temsil eden bir \u00e7al\u0131\u015fma evreni se\u00e7ilmesi gerekir. \u00c7al\u0131\u015fman\u0131za ba\u015flamadan \u00f6nce, hedef kitle belirlenmeli ve \u00fczerinde anla\u015fmaya var\u0131lmal\u0131d\u0131r. \u00d6rnekleminizi \u00f6nceden belirleyerek ve iyi tan\u0131yarak, \u00e7al\u0131\u015fma i\u00e7in yarars\u0131z oldu\u011fu d\u00fc\u015f\u00fcn\u00fclen geri bildirimler b\u00fcy\u00fck \u00f6l\u00e7\u00fcde ortadan kald\u0131r\u0131lacakt\u0131r.<\/p>\n<p>Anketiniz bir \u00fcr\u00fcn veya hizmetin etkinli\u011fini anlamay\u0131 ama\u00e7l\u0131yorsa, \u00e7al\u0131\u015fma evreni bu \u00fcr\u00fcn\u00fc kullanm\u0131\u015f olan veya ihtiya\u00e7lar\u0131na en uygun olan ve \u00fcr\u00fcn\u00fc\/hizmeti kullanacak olan m\u00fc\u015fteriler olmal\u0131d\u0131r.<\/p>\n<p>Hedef pazar\u0131n\u0131zdaki t\u00fcm n\u00fcfustan veri toplamak maliyetli ve zaman al\u0131c\u0131 olacakt\u0131r. \u00c7al\u0131\u015fma pop\u00fclasyonunuzu do\u011fru bir \u015fekilde \u00f6rnekleyerek, sonu\u00e7lardaki e\u011filimleri kullanarak hedef pazar\u0131n ger\u00e7ek bir resmini olu\u015fturmak m\u00fcmk\u00fcnd\u00fcr.<\/p>\n<h2>\u00c7al\u0131\u015fma evreninden do\u011fru bir \u00f6rneklem se\u00e7ilmesi<\/h2>\n<p>Uygun bir numuneye karar vermek birka\u00e7 temel fakt\u00f6re ba\u011fl\u0131d\u0131r.<\/p>\n<ul>\n<li>\u0130lk olarak, hangi pop\u00fclasyon parametrelerini tahmin etmek istedi\u011finize karar verirsiniz.<\/li>\n<li>Bir \u00f6rneklemden elde edilen tahminlerin kesin olmas\u0131n\u0131 beklemeyin. Bir \u00f6rneklemin sonu\u00e7lar\u0131na dayanarak varsay\u0131mlarda bulunurken her zaman bir hata pay\u0131 bekleyin.<\/li>\n<li>\u00d6rnekleme maliyetini anlamak, tahminlerimizin ne kadar kesin olmas\u0131 gerekti\u011fini belirlememize yard\u0131mc\u0131 olur.<\/li>\n<li>\u00d6l\u00e7mek istedi\u011finiz pop\u00fclasyonun ne kadar de\u011fi\u015fken oldu\u011funu bilin. \u00c7al\u0131\u015fma evreni b\u00fcy\u00fckse, b\u00fcy\u00fck bir \u00f6rneklemin gerekli oldu\u011funu varsaymak gerekli de\u011fildir.<\/li>\n<li>N\u00fcfusunuzun yan\u0131t oran\u0131n\u0131 g\u00f6z \u00f6n\u00fcnde bulundurun. 20&#8217;lik bir yan\u0131t oran\u0131, \u00e7evrimi\u00e7i bir ara\u015ft\u0131rma \u00e7al\u0131\u015fmas\u0131 i\u00e7in &#8220;iyi&#8221; olarak kabul edilir.<\/li>\n<\/ul>\n<h2>\u00c7al\u0131\u015fma evrenindeki \u00f6rnekleme \u00f6zellikleri<\/h2>\n<ul>\n<li>\u00d6rnekleme, hedef kitlenin tamam\u0131na anket uygulamadan veri toplamaya y\u00f6nelik bir mekanizmad\u0131r.<\/li>\n<li>\u00c7al\u0131\u015fma evreni, ara\u015ft\u0131rman\u0131z i\u00e7in dikkate ald\u0131\u011f\u0131n\u0131z t\u00fcm insan birimidir. \u00d6rneklem, bu grubun pop\u00fclasyonu temsil eden bir alt k\u00fcmesidir.<\/li>\n<li>\u00d6rnekleme, anket\u00f6rlerin \u00e7ok fazla anket yapmas\u0131n\u0131 \u00f6nlemek i\u00e7in kullan\u0131ld\u0131\u011f\u0131ndan anket yorgunlu\u011funu azalt\u0131r ve b\u00f6ylece yan\u0131t oranlar\u0131n\u0131 art\u0131r\u0131r.<\/li>\n<li>Ayr\u0131ca, t\u00fcm grubu \u00f6l\u00e7mekten \u00e7ok daha ucuzdur ve daha fazla zaman kazand\u0131r\u0131r.<\/li>\n<li>Farkl\u0131 gruplar\u0131n yan\u0131t oran\u0131 modellerinin izlenmesi, ka\u00e7 kat\u0131l\u0131mc\u0131n\u0131n se\u00e7ilece\u011finin belirlenmesine yard\u0131mc\u0131 olacakt\u0131r.<\/li>\n<li>\u00c7al\u0131\u015fma sadece se\u00e7ilen k\u0131s\u0131mla s\u0131n\u0131rl\u0131 kalmay\u0131p hedef kitlenin tamam\u0131na uygulanmaktad\u0131r.<\/li>\n<\/ul>\n<h2>\u00c7al\u0131\u015fma pop\u00fclasyonunuz i\u00e7in \u00f6rnekleme teknikleri<\/h2>\n<p>Art\u0131k \u00e7e\u015fitli fakt\u00f6rler nedeniyle \u00e7al\u0131\u015fma evreninin tamam\u0131na anket uygulayamayaca\u011f\u0131n\u0131z\u0131 anlad\u0131\u011f\u0131n\u0131za g\u00f6re, ara\u015ft\u0131rma \u00e7al\u0131\u015fman\u0131za en uygun \u00f6rneklem se\u00e7im y\u00f6ntemlerinden birini benimsemelisiniz.<\/p>\n<p>Genel anlamda iki metodoloji uygulanabilir: <a href=\"https:\/\/www.questionpro.com\/blog\/probability-sampling\/\">olas\u0131l\u0131kl\u0131 \u00f6rnekleme<\/a> ve <a href=\"https:\/\/www.questionpro.com\/blog\/non-probability-sampling\/\">olas\u0131l\u0131kl\u0131 olmayan \u00f6rnek<\/a>leme.<\/p>\n<h3>\u00d6rnekleme Teknikleri: Olas\u0131l\u0131k \u00d6rneklemesi<\/h3>\n<p>Bu y\u00f6ntem, olas\u0131l\u0131k teorisine dayal\u0131 olarak bir pop\u00fclasyondan \u00f6rnek nesneleri se\u00e7mek i\u00e7in kullan\u0131l\u0131r. Herkes \u00f6rnekleme dahil edilir ve e\u015fit se\u00e7ilme \u015fans\u0131na sahiptir. Bu t\u00fcr bir \u00f6rneklemde \u00f6nyarg\u0131 yoktur. N\u00fcfustaki her ki\u015fi ara\u015ft\u0131rman\u0131n bir par\u00e7as\u0131 olma f\u0131rsat\u0131na sahiptir.<\/p>\n<h4>Olas\u0131l\u0131k \u00f6rneklemesi d\u00f6rt t\u00fcre ayr\u0131labilir:<\/h4>\n<ul>\n<li><strong><a href=\"https:\/\/www.questionpro.com\/blog\/simple-random-sampling\/\">Basit Rastgele \u00d6rnekleme<\/a>:<\/strong> Basit rastgele \u00f6rnekleme, bir \u00f6rneklem se\u00e7menin en kolay yoludur. Burada, her \u00fcye \u00f6rneklemin bir par\u00e7as\u0131 olmak i\u00e7in e\u015fit \u015fansa sahiptir. Bu \u00f6rnekteki nesneler rastgele se\u00e7ilir ve her bir \u00fcye tam olarak ayn\u0131 se\u00e7ilme olas\u0131l\u0131\u011f\u0131na sahiptir.<\/li>\n<li><strong><a href=\"https:\/\/www.questionpro.com\/blog\/cluster-sampling\/\">K\u00fcme \u00f6rneklemesi<\/a>:<\/strong> K\u00fcme \u00f6rneklemesi, kat\u0131l\u0131mc\u0131lar\u0131n k\u00fcmeler halinde grupland\u0131r\u0131ld\u0131\u011f\u0131 bir y\u00f6ntemdir. Bu gruplar ya\u015f, cinsiyet, konum ve demografik parametrelere g\u00f6re tan\u0131mlanabilir.<\/li>\n<li><strong><a href=\"https:\/\/www.questionpro.com\/blog\/systematic-sampling\/\">Sistematik \u00d6rnekleme<\/a>:<\/strong> Sistematik \u00f6rneklemede bireyler pop\u00fclasyondan e\u015fit aral\u0131klarla se\u00e7ilir. Bir ba\u015flang\u0131\u00e7 noktas\u0131 se\u00e7ilir ve ard\u0131ndan kat\u0131l\u0131mc\u0131lar \u00f6nceden tan\u0131mlanm\u0131\u015f \u00f6rneklem aral\u0131klar\u0131nda se\u00e7ilir.<\/li>\n<li><strong>Tabakal\u0131 \u00d6rnekleme:<\/strong> Tabakal\u0131 rastgele \u00f6rnekleme, kat\u0131l\u0131mc\u0131lar\u0131 farkl\u0131 ancak \u00f6nceden tan\u0131mlanm\u0131\u015f parametrelere ay\u0131rma s\u00fcrecidir. Bu y\u00f6ntemde, kat\u0131l\u0131mc\u0131lar \u00fcst \u00fcste binmemekte, ancak toplu olarak t\u00fcm n\u00fcfusu temsil etmektedir.<\/li>\n<\/ul>\n<h3>\u00d6rnekleme teknikleri: Olas\u0131l\u0131ksal olmayan \u00f6rnekleme<\/h3>\n<p>Olas\u0131l\u0131ks\u0131z \u00f6rnekleme y\u00f6ntemi, ara\u015ft\u0131rmac\u0131n\u0131n \u00f6rneklem se\u00e7imine ili\u015fkin tercihini kullan\u0131r. Bu \u00f6rnekleme y\u00f6ntemi, \u00f6ncelikle ara\u015ft\u0131rmac\u0131n\u0131n bu \u00f6rnekleme eri\u015febilmesinden kaynaklanmaktad\u0131r. Burada pop\u00fclasyon \u00fcyeleri \u00f6rneklemin bir par\u00e7as\u0131 olmak i\u00e7in ayn\u0131 f\u0131rsatlara sahip de\u011fildir.<\/p>\n<h4>Olas\u0131l\u0131ks\u0131z \u00f6rnekleme ayr\u0131ca d\u00f6rt farkl\u0131 t\u00fcrde s\u0131n\u0131fland\u0131r\u0131labilir:<\/h4>\n<ul>\n<li><strong>Uygunluk \u00d6rneklemesi:<\/strong> Ad\u0131ndan da anla\u015f\u0131laca\u011f\u0131 \u00fczere, kolayda \u00f6rnekleme, ara\u015ft\u0131rmac\u0131n\u0131n yan\u0131tlay\u0131c\u0131ya ula\u015fma kolayl\u0131\u011f\u0131n\u0131 temsil eder. Ara\u015ft\u0131rmac\u0131lar \u00f6rneklem se\u00e7me yetkisine sahip de\u011fildir ve bu se\u00e7im temsiliyet a\u00e7\u0131s\u0131ndan de\u011fil, yaln\u0131zca yak\u0131nl\u0131k nedeniyle yap\u0131lmaktad\u0131r.<\/li>\n<li><strong>Kas\u0131tl\u0131, ele\u015ftirel ya da yarg\u0131sal \u00f6rnekleme:<\/strong> Bu t\u00fcr \u00f6rneklemede ara\u015ft\u0131rmac\u0131, \u00f6rneklemini \u00e7al\u0131\u015fman\u0131n do\u011fas\u0131na ve hedef kitlesinin anlay\u0131\u015f\u0131na g\u00f6re de\u011ferlendirir ve geli\u015ftirir. Yaln\u0131zca ara\u015ft\u0131rma kriterlerini ve nihai hedefi kar\u015f\u0131layan ki\u015filer se\u00e7ilir.<\/li>\n<li><strong>Kartopu \u00d6rneklemesi:<\/strong> Bir kartopu h\u0131zland\u0131k\u00e7a etraf\u0131nda daha fazla kar biriktirir. Benzer \u015fekilde, kartopu \u00f6rneklemesinde, kat\u0131l\u0131mc\u0131lar kat\u0131l\u0131mlar\u0131 sona erdi\u011finde referans sa\u011flamak veya \u00e7al\u0131\u015fma i\u00e7in \u00f6rnek toplamakla g\u00f6revlendirilir.<\/li>\n<li><strong>Kota \u00d6rneklemesi:<\/strong> Kota \u00f6rneklemesi, ara\u015ft\u0131rmac\u0131n\u0131n tabakalar\u0131na g\u00f6re bir \u00f6rneklem se\u00e7me ayr\u0131cal\u0131\u011f\u0131na sahip oldu\u011fu bir y\u00f6ntemdir. Bu y\u00f6ntemde iki ki\u015fi iki farkl\u0131 ko\u015ful alt\u0131nda var olamaz.<\/li>\n<\/ul>\n<h2>Bir \u00e7al\u0131\u015fma pop\u00fclasyonunda \u00f6rneklemenin avantajlar\u0131 ve dezavantajlar\u0131<\/h2>\n<p>\u00c7o\u011fu durumda, toplam \u00e7al\u0131\u015fma n\u00fcfusunun alg\u0131lar\u0131 yaln\u0131zca \u00f6nceden tan\u0131mlanm\u0131\u015f \u00f6rneklemlerden elde edilebilir. Bunun kendine has avantajlar\u0131 ve dezavantajlar\u0131 vard\u0131r. Bunlardan baz\u0131lar\u0131 a\u015fa\u011f\u0131da listelenmi\u015ftir.<\/p>\n<h3>Avantajlar<\/h3>\n<ul>\n<li>Y\u00fcksek do\u011fruluk &#8211; d\u00fc\u015f\u00fck hata olas\u0131l\u0131\u011f\u0131 (iyi \u00f6rneklenmi\u015fse)<\/li>\n<li>Do\u011fas\u0131 gere\u011fi ekonomik olarak uygulanabilir, son derece g\u00fcvenilir<\/li>\n<li>Farkl\u0131 ara\u015ft\u0131rmalara g\u00f6re y\u00fcksek uygunluk oran\u0131 T\u00fcm pop\u00fclasyonun ara\u015ft\u0131r\u0131lmas\u0131na k\u0131yasla daha az zaman al\u0131r Daha az kaynak kullan\u0131m\u0131<\/li>\n<li>Veri yo\u011fun ve kapsaml\u0131 \u00d6zellikler daha geni\u015f bir pop\u00fclasyona uygulan\u0131r\u00c7al\u0131\u015fma pop\u00fclasyonu geni\u015f oldu\u011funda idealdir.<\/li>\n<\/ul>\n<h3>Dezavantajlar<\/h3>\n<ul>\n<li>Yetersiz numune<\/li>\n<li>\u00d6nyarg\u0131 olas\u0131l\u0131\u011f\u0131<\/li>\n<li>Hassasiyet sorunlar\u0131 (\u00f6rnekleme zay\u0131fsa)<\/li>\n<li>Tipik numunenin elde edilmesinde zorluk<\/li>\n<li>Kaliteli kaynak eksikli\u011fi<\/li>\n<li>Hata yapma olas\u0131l\u0131\u011f\u0131.<\/li>\n<\/ul>\n<p>QuestionPro&#8217;da \u00e7al\u0131\u015fma pop\u00fclasyonunuzla \u00e7al\u0131\u015fman\u0131z\u0131 y\u00fcr\u00fctmenize yard\u0131mc\u0131 olabiliriz. Online anket yaz\u0131l\u0131m\u0131m\u0131z\u0131n t\u00fcm \u00f6zellikleri hakk\u0131nda bilgi edinin ve ara\u015ft\u0131rman\u0131z\u0131 bug\u00fcn yapmaya ba\u015flay\u0131n!<\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/www.questionpro.com\/research-edition-survey-software\/\" target=\"_blank\" rel=\"noopener\"><br \/>\n  <button>DAHA FAZLA BI\u0307LGI\u0307 EDI\u0307NI\u0307N<\/button><br \/>\n<\/a>       <a href=\"https:\/\/www.questionpro.com\/a\/showEntry.do?classID=1053&amp;sourceRef=blog\" target=\"_blank\" rel=\"noopener\"><br \/>\n  <button>\u00dcCRETS\u0130Z DENEME<\/button><br \/>\n<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Bir \u00e7al\u0131\u015fma pop\u00fclasyonunu nas\u0131l tan\u0131mlars\u0131n\u0131z? Ara\u015ft\u0131rma \u00e7al\u0131\u015fmalar\u0131, belirli gruplar\u0131n sonu\u00e7lar \u00e7\u0131karmas\u0131n\u0131 ve sonu\u00e7lar\u0131na dayanarak kararlar almas\u0131n\u0131 gerektirir. Bu ilgi grubu [&hellip;]<\/p>\n","protected":false},"author":49,"featured_media":717077,"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":[1118],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u00c7al\u0131\u015fma Pop\u00fclasyonu: \u00d6zellikler ve \u00d6rnekleme Teknikleri | QuestionPro<\/title>\n<meta name=\"description\" content=\"\u00c7al\u0131\u015fma evreni, bir \u00e7al\u0131\u015fma veya istatistiksel muhakeme i\u00e7in bir gruptur. \u00c7al\u0131\u015fma pop\u00fclasyonu sadece insan pop\u00fclasyonu ile s\u0131n\u0131rl\u0131 de\u011fildir.\" \/>\n<meta name=\"robots\" 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