{"id":455,"date":"2023-07-29T20:46:06","date_gmt":"2023-07-29T20:46:06","guid":{"rendered":"https:\/\/statorials.org\/tr\/rde-sobel-testi\/"},"modified":"2023-07-29T20:46:06","modified_gmt":"2023-07-29T20:46:06","slug":"rde-sobel-testi","status":"publish","type":"post","link":"https:\/\/statorials.org\/tr\/rde-sobel-testi\/","title":{"rendered":"R&#39;de sobel testi nas\u0131l yap\u0131l\u0131r"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\"><b>Sobel testi,<\/b> arac\u0131l\u0131k etkisinin \u00f6nemini test etmek i\u00e7in kullan\u0131lan bir y\u00f6ntemdir.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><a href=\"https:\/\/en.wikipedia.org\/wiki\/Sobel_test\" target=\"_blank\" rel=\"noopener\">Wikipedia&#8217;ya<\/a> g\u00f6re:<\/span><\/p>\n<blockquote>\n<p> <span style=\"color: #000000;\">Arac\u0131l\u0131kta, ba\u011f\u0131ms\u0131z de\u011fi\u015fken ile ba\u011f\u0131ml\u0131 de\u011fi\u015fken aras\u0131ndaki ili\u015fkinin, \u00fc\u00e7\u00fcnc\u00fc bir de\u011fi\u015fkenin (arac\u0131) etkisi nedeniyle var olan dolayl\u0131 bir etki oldu\u011fu varsay\u0131l\u0131r. Sonu\u00e7 olarak, ba\u011f\u0131ms\u0131z de\u011fi\u015fkenle birlikte bir regresyon analizi modeline arac\u0131n\u0131n dahil edilmesi durumunda ba\u011f\u0131ms\u0131z de\u011fi\u015fkenin etkisi azalmakta ve arac\u0131n\u0131n etkisi anlaml\u0131 kalmaktad\u0131r.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Sobel testi,<\/strong> esasen, arac\u0131n\u0131n modele dahil edilmesinden sonra ba\u011f\u0131ms\u0131z de\u011fi\u015fkenin etkisindeki azalman\u0131n anlaml\u0131 bir azalma olup olmad\u0131\u011f\u0131n\u0131 ve dolay\u0131s\u0131yla arac\u0131l\u0131k etkisinin istatistiksel olarak anlaml\u0131 olup olmad\u0131\u011f\u0131n\u0131 belirlemek i\u00e7in bir y\u00f6ntem sa\u011flayan \u00f6zel bir t-testidir.<\/span><\/p>\n<\/blockquote>\n<p> <span style=\"color: #000000;\">Bu e\u011fitimde R&#8217;de Sobel testinin nas\u0131l ger\u00e7ekle\u015ftirilece\u011fi a\u00e7\u0131klanmaktad\u0131r.<\/span><\/p>\n<h2> <strong><span style=\"color: #000000;\">R&#8217;de Sobel testi ger\u00e7ekle\u015ftirin<\/span><\/strong><\/h2>\n<p> <span style=\"color: #000000;\">R&#8217;de sobel testi ger\u00e7ekle\u015ftirmek i\u00e7in <em>bda<\/em> k\u00fct\u00fcphanesini kullanabilirsiniz.<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#install bda package if not already installed<\/span>\ninstall.packages('bda')\n\n<span style=\"color: #008080;\">#load bda package<\/span>\nlibrary(bda)<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Sobel testini ger\u00e7ekle\u015ftirmenin temel s\u00f6zdizimi \u015f\u00f6yledir:<\/span><\/p>\n<p> <strong><span style=\"color: #000000;\">arabuluculuk.test(mv,iv,dv)<\/span><\/strong><\/p>\n<p> <span style=\"color: #000000;\">burada <strong>mv<\/strong> arac\u0131 de\u011fi\u015fken, <strong>iv<\/strong> ba\u011f\u0131ms\u0131z de\u011fi\u015fken ve <strong>dv<\/strong> ba\u011f\u0131ml\u0131 de\u011fi\u015fkendir.<\/span><\/p>\n<p> <span style=\"color: #000000;\">A\u015fa\u011f\u0131daki kod, arac\u0131 de\u011fi\u015fken, ba\u011f\u0131ms\u0131z de\u011fi\u015fken ve ba\u011f\u0131ml\u0131 de\u011fi\u015fken i\u00e7in 50 normal rastgele de\u011fi\u015fkenden olu\u015fan bir liste kullanarak bir Sobel testi ger\u00e7ekle\u015ftirir:<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong>mv &lt;- rnorm(50)\niv &lt;- rnorm(50)\ndv &lt;- rnorm(50)\nmediation.test(mv,iv,dv)\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Bu kod a\u015fa\u011f\u0131daki sonucu \u00fcretir:<\/span><\/p>\n<p> <span style=\"color: #000000;\">Bu durumda esas olarak <em>Sobel<\/em> s\u00fctununun de\u011ferleriyle ilgileniyoruz. Z de\u011feri -1,047 ve kar\u015f\u0131l\u0131k gelen p de\u011feri 0,295&#8217;tir.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Bu p de\u011feri 0,05 olan alfa seviyesinden b\u00fcy\u00fck oldu\u011fu i\u00e7in arac\u0131l\u0131k etkisinin olmad\u0131\u011f\u0131 y\u00f6n\u00fcndeki s\u0131f\u0131r hipotezini reddedemedik.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Dolay\u0131s\u0131yla arac\u0131l\u0131k etkisi istatistiksel olarak anlaml\u0131 de\u011fildir.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><em><strong>Not:<\/strong><\/em> Kendi testinizde farkl\u0131 bir alfa d\u00fczeyi kullanabilirsiniz. Alfa i\u00e7in yayg\u0131n se\u00e7enekler aras\u0131nda 0,01, 0,05 ve 0,10 bulunur.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Sobel testi, arac\u0131l\u0131k etkisinin \u00f6nemini test etmek i\u00e7in kullan\u0131lan bir y\u00f6ntemdir. Wikipedia&#8217;ya g\u00f6re: Arac\u0131l\u0131kta, ba\u011f\u0131ms\u0131z de\u011fi\u015fken ile ba\u011f\u0131ml\u0131 de\u011fi\u015fken aras\u0131ndaki ili\u015fkinin, \u00fc\u00e7\u00fcnc\u00fc bir de\u011fi\u015fkenin (arac\u0131) etkisi nedeniyle var olan dolayl\u0131 bir etki oldu\u011fu varsay\u0131l\u0131r. Sonu\u00e7 olarak, ba\u011f\u0131ms\u0131z de\u011fi\u015fkenle birlikte bir regresyon analizi modeline arac\u0131n\u0131n dahil edilmesi durumunda ba\u011f\u0131ms\u0131z de\u011fi\u015fkenin etkisi azalmakta ve arac\u0131n\u0131n etkisi anlaml\u0131 [&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-455","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>R - Statorials&#039;da Sobel Testi Nas\u0131l Yap\u0131l\u0131r<\/title>\n<meta name=\"description\" content=\"R&#039;de arac\u0131l\u0131k etkisi i\u00e7in Sobel testinin nas\u0131l ger\u00e7ekle\u015ftirilece\u011fine dair basit bir e\u011fitim.\" \/>\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\/rde-sobel-testi\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"R - Statorials&#039;da Sobel Testi Nas\u0131l Yap\u0131l\u0131r\" \/>\n<meta property=\"og:description\" content=\"R&#039;de arac\u0131l\u0131k etkisi i\u00e7in Sobel testinin nas\u0131l ger\u00e7ekle\u015ftirilece\u011fine dair basit bir e\u011fitim.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/tr\/rde-sobel-testi\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-29T20:46:06+00:00\" \/>\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=\"2 dakika\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/tr\/rde-sobel-testi\/\",\"url\":\"https:\/\/statorials.org\/tr\/rde-sobel-testi\/\",\"name\":\"R - Statorials&#39;da Sobel Testi Nas\u0131l Yap\u0131l\u0131r\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/tr\/#website\"},\"datePublished\":\"2023-07-29T20:46:06+00:00\",\"dateModified\":\"2023-07-29T20:46:06+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/tr\/#\/schema\/person\/365dc158a39a7c8ae256355451e3de48\"},\"description\":\"R&#39;de arac\u0131l\u0131k etkisi i\u00e7in Sobel testinin nas\u0131l ger\u00e7ekle\u015ftirilece\u011fine dair basit bir e\u011fitim.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/tr\/rde-sobel-testi\/#breadcrumb\"},\"inLanguage\":\"tr\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/tr\/rde-sobel-testi\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/tr\/rde-sobel-testi\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Ev\",\"item\":\"https:\/\/statorials.org\/tr\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"R&#39;de sobel testi nas\u0131l yap\u0131l\u0131r\"}]},{\"@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. 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