{"id":1558,"date":"2023-07-25T21:20:18","date_gmt":"2023-07-25T21:20:18","guid":{"rendered":"https:\/\/statorials.org\/uk\/cronbachs-alpha-%d0%b2-r\/"},"modified":"2023-07-25T21:20:18","modified_gmt":"2023-07-25T21:20:18","slug":"cronbachs-alpha-%d0%b2-r","status":"publish","type":"post","link":"https:\/\/statorials.org\/uk\/cronbachs-alpha-%d0%b2-r\/","title":{"rendered":"\u042f\u043a \u043e\u0431\u0447\u0438\u0441\u043b\u0438\u0442\u0438 \u0430\u043b\u044c\u0444\u0430 \u043a\u0440\u043e\u043d\u0431\u0430\u0445\u0430 \u0432 r (\u0437 \u043f\u0440\u0438\u043a\u043b\u0430\u0434\u0430\u043c\u0438)"},"content":{"rendered":"

<\/p>\n

\n

\u0410\u043b\u044c\u0444\u0430 \u0425\u0440\u043e\u043d\u0431\u0430\u0445\u0430<\/strong> \u2014 \u0446\u0435 \u0441\u043f\u043e\u0441\u0456\u0431 \u0432\u0438\u043c\u0456\u0440\u044e\u0432\u0430\u043d\u043d\u044f \u0432\u043d\u0443\u0442\u0440\u0456\u0448\u043d\u044c\u043e\u0457 \u0443\u0437\u0433\u043e\u0434\u0436\u0435\u043d\u043e\u0441\u0442\u0456<\/a> \u0430\u043d\u043a\u0435\u0442\u0438 \u0447\u0438 \u043e\u043f\u0438\u0442\u0443\u0432\u0430\u043d\u043d\u044f.<\/span><\/p>\n

\u0410\u043b\u044c\u0444\u0430 \u041a\u0440\u043e\u043d\u0431\u0430\u0445\u0430 \u043a\u043e\u043b\u0438\u0432\u0430\u0454\u0442\u044c\u0441\u044f \u0432\u0456\u0434 0 \u0434\u043e 1, \u043f\u0440\u0438 \u0446\u044c\u043e\u043c\u0443 \u0431\u0456\u043b\u044c\u0448 \u0432\u0438\u0441\u043e\u043a\u0456 \u0437\u043d\u0430\u0447\u0435\u043d\u043d\u044f \u0432\u043a\u0430\u0437\u0443\u044e\u0442\u044c \u043d\u0430 \u0442\u0435, \u0449\u043e \u043e\u043f\u0438\u0442\u0443\u0432\u0430\u043d\u043d\u044f \u0430\u0431\u043e \u0430\u043d\u043a\u0435\u0442\u0430 \u0454 \u0431\u0456\u043b\u044c\u0448 \u043d\u0430\u0434\u0456\u0439\u043d\u0438\u043c\u0438.<\/span><\/p>\n

\u041d\u0430\u0439\u043f\u0440\u043e\u0441\u0442\u0456\u0448\u0438\u0439 \u0441\u043f\u043e\u0441\u0456\u0431 \u043e\u0431\u0447\u0438\u0441\u043b\u0438\u0442\u0438 \u0430\u043b\u044c\u0444\u0430 \u041a\u0440\u043e\u043d\u0431\u0430\u0445\u0430 \u2014 \u0446\u0435 \u0432\u0438\u043a\u043e\u0440\u0438\u0441\u0442\u043e\u0432\u0443\u0432\u0430\u0442\u0438 \u0444\u0443\u043d\u043a\u0446\u0456\u044e cronbach.alpha()<\/strong> \u0437 \u043f\u0430\u043a\u0435\u0442\u0443 ltm<\/strong> .<\/span><\/p>\n

\u0426\u0435\u0439 \u043f\u0456\u0434\u0440\u0443\u0447\u043d\u0438\u043a \u043c\u0456\u0441\u0442\u0438\u0442\u044c \u043f\u0440\u0430\u043a\u0442\u0438\u0447\u043d\u0438\u0439 \u043f\u0440\u0438\u043a\u043b\u0430\u0434 \u0432\u0438\u043a\u043e\u0440\u0438\u0441\u0442\u0430\u043d\u043d\u044f \u0446\u0456\u0454\u0457 \u0444\u0443\u043d\u043a\u0446\u0456\u0457.<\/span><\/p>\n

\u041f\u0440\u0438\u043a\u043b\u0430\u0434: \u044f\u043a \u043e\u0431\u0447\u0438\u0441\u043b\u0438\u0442\u0438 \u0430\u043b\u044c\u0444\u0430 \u041a\u0440\u043e\u043d\u0431\u0430\u0445\u0430 \u0432 R<\/strong><\/span><\/h3>\n

\u0421\u043a\u0430\u0436\u0456\u043c\u043e, \u043c\u0435\u043d\u0435\u0434\u0436\u0435\u0440 \u0440\u0435\u0441\u0442\u043e\u0440\u0430\u043d\u0443 \u0445\u043e\u0447\u0435 \u0432\u0438\u043c\u0456\u0440\u044f\u0442\u0438 \u0437\u0430\u0433\u0430\u043b\u044c\u043d\u0443 \u0437\u0430\u0434\u043e\u0432\u043e\u043b\u0435\u043d\u0456\u0441\u0442\u044c \u043a\u043b\u0456\u0454\u043d\u0442\u0456\u0432, \u0442\u043e\u043c\u0443 \u0432\u043e\u043d\u0430 \u043d\u0430\u0434\u0441\u0438\u043b\u0430\u0454 \u043e\u043f\u0438\u0442\u0443\u0432\u0430\u043d\u043d\u044f 10 \u043a\u043b\u0456\u0454\u043d\u0442\u0430\u043c, \u044f\u043a\u0456 \u043c\u043e\u0436\u0443\u0442\u044c \u043e\u0446\u0456\u043d\u0438\u0442\u0438 \u0440\u0435\u0441\u0442\u043e\u0440\u0430\u043d \u0437\u0430 \u0448\u043a\u0430\u043b\u043e\u044e \u0432\u0456\u0434 1 \u0434\u043e 3 \u0434\u043b\u044f \u0440\u0456\u0437\u043d\u0438\u0445 \u043a\u0430\u0442\u0435\u0433\u043e\u0440\u0456\u0439.<\/span><\/p>\n

\u041c\u0438 \u043c\u043e\u0436\u0435\u043c\u043e \u0432\u0438\u043a\u043e\u0440\u0438\u0441\u0442\u0430\u0442\u0438 \u043d\u0430\u0441\u0442\u0443\u043f\u043d\u0438\u0439 \u043a\u043e\u0434, \u0449\u043e\u0431 \u043e\u0431\u0447\u0438\u0441\u043b\u0438\u0442\u0438 \u0430\u043b\u044c\u0444\u0430 \u041a\u0440\u043e\u043d\u0431\u0430\u0445\u0430 \u0434\u043b\u044f \u0432\u0456\u0434\u043f\u043e\u0432\u0456\u0434\u0435\u0439 \u043d\u0430 \u043e\u043f\u0438\u0442\u0443\u0432\u0430\u043d\u043d\u044f:<\/span><\/p>\n

 library<\/span> (ltm)\n\n#enter survey responses as a data frame\n<\/span>data <- data. frame<\/span> (Q1=c(1, 2, 2, 3, 2, 2, 3, 3, 2, 3),\n                   Q2=c(1, 1, 1, 2, 3, 3, 2, 3, 3, 3),\n                   Q3=c(1, 1, 2, 1, 2, 3, 3, 3, 2, 3))\n\n#calculate Cronbach's Alpha\n<\/span>cronbach. alpha<\/span> (data)\n\nCronbach's alpha for the 'data' data-set\n\nItems: 3\nSample units: 10\nalpha: 0.773<\/strong><\/span><\/pre>\n
 \u0410\u043b\u044c\u0444\u0430 \u041a\u0440\u043e\u043d\u0431\u0430\u0445\u0430 \u0432\u0438\u044f\u0432\u043b\u044f\u0454\u0442\u044c\u0441\u044f 0,773<\/strong> .<\/span><\/p>\n
 \u0417\u0432\u0435\u0440\u043d\u0456\u0442\u044c \u0443\u0432\u0430\u0433\u0443, \u0449\u043e \u043c\u0438 \u0442\u0430\u043a\u043e\u0436 \u043c\u043e\u0436\u0435\u043c\u043e \u0432\u043a\u0430\u0437\u0430\u0442\u0438 CI=True<\/strong> , \u0449\u043e\u0431 \u043f\u043e\u0432\u0435\u0440\u043d\u0443\u0442\u0438 95% \u0434\u043e\u0432\u0456\u0440\u0447\u0438\u0439 \u0456\u043d\u0442\u0435\u0440\u0432\u0430\u043b \u0434\u043b\u044f \u0430\u043b\u044c\u0444\u0430-\u0432\u0435\u0440\u0441\u0456\u0457 \u041a\u0440\u043e\u043d\u0431\u0430\u0445\u0430:<\/span><\/p>\n
 #calculate Cronbach's Alpha with 95% confidence interval\n<\/span>cronbach. alpha<\/span> (data, CI= TRUE<\/span> )\n\nCronbach's alpha for the 'data' data-set\n\nItems: 3\nSample units: 10\nalpha: 0.773\n\nBootstrap 95% CI based on 1000 samples\n 2.5% 97.5% \n0.053 0.930 \n<\/strong><\/span><\/pre>\n
 \u041c\u0438 \u0431\u0430\u0447\u0438\u043c\u043e, \u0449\u043e 95% \u0434\u043e\u0432\u0456\u0440\u0447\u0438\u0439 \u0456\u043d\u0442\u0435\u0440\u0432\u0430\u043b \u0434\u043b\u044f \u0430\u043b\u044c\u0444\u0430 \u041a\u0440\u043e\u043d\u0431\u0430\u0445\u0430 \u0441\u0442\u0430\u043d\u043e\u0432\u0438\u0442\u044c [0,053, 0,930]<\/strong> .<\/span><\/p>\n
 \u041f\u0440\u0438\u043c\u0456\u0442\u043a\u0430.<\/strong> \u0426\u0435\u0439 \u0434\u043e\u0432\u0456\u0440\u0447\u0438\u0439 \u0456\u043d\u0442\u0435\u0440\u0432\u0430\u043b \u043d\u0430\u0434\u0437\u0432\u0438\u0447\u0430\u0439\u043d\u043e \u0448\u0438\u0440\u043e\u043a\u0438\u0439 \u0447\u0435\u0440\u0435\u0437 \u043d\u0435\u0432\u0435\u043b\u0438\u043a\u0438\u0439 \u0440\u043e\u0437\u043c\u0456\u0440 \u0432\u0438\u0431\u0456\u0440\u043a\u0438. \u041d\u0430 \u043f\u0440\u0430\u043a\u0442\u0438\u0446\u0456 \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0443\u0454\u0442\u044c\u0441\u044f \u0432\u0438\u043a\u043e\u0440\u0438\u0441\u0442\u043e\u0432\u0443\u0432\u0430\u0442\u0438 \u0440\u043e\u0437\u043c\u0456\u0440 \u0432\u0438\u0431\u0456\u0440\u043a\u0438 \u043f\u0440\u0438\u043d\u0430\u0439\u043c\u043d\u0456 20. \u0414\u043b\u044f \u0441\u043f\u0440\u043e\u0449\u0435\u043d\u043d\u044f \u043c\u0438 \u0432\u0438\u043a\u043e\u0440\u0438\u0441\u0442\u043e\u0432\u0443\u0432\u0430\u043b\u0438 \u0440\u043e\u0437\u043c\u0456\u0440 \u0432\u0438\u0431\u0456\u0440\u043a\u0438 10.<\/span><\/em><\/p>\n
 \u0423 \u043d\u0430\u0441\u0442\u0443\u043f\u043d\u0456\u0439 \u0442\u0430\u0431\u043b\u0438\u0446\u0456 \u043e\u043f\u0438\u0441\u0430\u043d\u043e, \u044f\u043a \u0437\u0430\u0437\u0432\u0438\u0447\u0430\u0439 \u0456\u043d\u0442\u0435\u0440\u043f\u0440\u0435\u0442\u0443\u044e\u0442\u044c\u0441\u044f \u0440\u0456\u0437\u043d\u0456 \u0437\u043d\u0430\u0447\u0435\u043d\u043d\u044f \u0430\u043b\u044c\u0444\u0430 \u041a\u0440\u043e\u043d\u0431\u0430\u0445\u0430:<\/span><\/p>\n\n\n\n\n\n\n\n\n\n
 \u0410\u043b\u044c\u0444\u0430 \u041a\u0440\u043e\u043d\u0431\u0430\u0445\u0430<\/span><\/strong><\/th>\n \u0412\u043d\u0443\u0442\u0440\u0456\u0448\u043d\u044f \u0443\u0437\u0433\u043e\u0434\u0436\u0435\u043d\u0456\u0441\u0442\u044c<\/span><\/strong><\/th>\n<\/tr>\n
 0,9 \u2264 \u03b1<\/span><\/td>\n \u0427\u0443\u0434\u043e\u0432\u043e<\/span><\/td>\n<\/tr>\n
 0,8 \u2264\u03b1 < 0,9<\/span><\/td>\n \u0414\u041e\u0411\u0420\u0415<\/span><\/td>\n<\/tr>\n
 0,7 \u2264\u03b1 < 0,8<\/span><\/td>\n \u041f\u0440\u0438\u0439\u043d\u044f\u0442\u043d\u043e<\/span><\/td>\n<\/tr>\n
 0,6 \u2264\u03b1 < 0,7<\/span><\/td>\n \u041f\u0456\u0434 \u043f\u0438\u0442\u0430\u043d\u043d\u044f\u043c<\/span><\/td>\n<\/tr>\n
 0,5 \u2264\u03b1 < 0,6<\/span><\/td>\n \u0411\u0456\u0434\u043d\u0438\u0439<\/span><\/td>\n<\/tr>\n
 \u03b1 < 0,5<\/span><\/td>\n \u041d\u0435\u043f\u0440\u0438\u043f\u0443\u0441\u0442\u0438\u043c\u043e<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
 \u041e\u0441\u043a\u0456\u043b\u044c\u043a\u0438 \u043c\u0438 \u0440\u043e\u0437\u0440\u0430\u0445\u0443\u0432\u0430\u043b\u0438 \u0430\u043b\u044c\u0444\u0430 \u041a\u0440\u043e\u043d\u0431\u0430\u0445\u0430 \u043d\u0430 0,773<\/strong> , \u043c\u0438 \u0431 \u0441\u043a\u0430\u0437\u0430\u043b\u0438, \u0449\u043e \u0432\u043d\u0443\u0442\u0440\u0456\u0448\u043d\u044f \u0443\u0437\u0433\u043e\u0434\u0436\u0435\u043d\u0456\u0441\u0442\u044c \u0446\u044c\u043e\u0433\u043e \u043e\u043f\u0438\u0442\u0443\u0432\u0430\u043d\u043d\u044f \u0454 \u00ab\u043f\u0440\u0438\u0439\u043d\u044f\u0442\u043d\u043e\u044e\u00bb.<\/span><\/p>\n
 \u0411\u043e\u043d\u0443\u0441:<\/strong> \u0412\u0438 \u043c\u043e\u0436\u0435\u0442\u0435 \u0432\u0438\u043a\u043e\u0440\u0438\u0441\u0442\u043e\u0432\u0443\u0432\u0430\u0442\u0438 \u0446\u0435\u0439 \u043a\u0430\u043b\u044c\u043a\u0443\u043b\u044f\u0442\u043e\u0440 Cronbach Alpha, \u0449\u043e\u0431 \u0437\u043d\u0430\u0439\u0442\u0438 Cronbach Alpha \u0434\u043b\u044f \u043f\u0435\u0432\u043d\u043e\u0433\u043e \u043d\u0430\u0431\u043e\u0440\u0443 \u0434\u0430\u043d\u0438\u0445.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"
\u0410\u043b\u044c\u0444\u0430 \u0425\u0440\u043e\u043d\u0431\u0430\u0445\u0430 \u2014 \u0446\u0435 \u0441\u043f\u043e\u0441\u0456\u0431 \u0432\u0438\u043c\u0456\u0440\u044e\u0432\u0430\u043d\u043d\u044f \u0432\u043d\u0443\u0442\u0440\u0456\u0448\u043d\u044c\u043e\u0457 \u0443\u0437\u0433\u043e\u0434\u0436\u0435\u043d\u043e\u0441\u0442\u0456 \u0430\u043d\u043a\u0435\u0442\u0438 \u0447\u0438 \u043e\u043f\u0438\u0442\u0443\u0432\u0430\u043d\u043d\u044f. \u0410\u043b\u044c\u0444\u0430 \u041a\u0440\u043e\u043d\u0431\u0430\u0445\u0430 \u043a\u043e\u043b\u0438\u0432\u0430\u0454\u0442\u044c\u0441\u044f \u0432\u0456\u0434 0 \u0434\u043e 1, \u043f\u0440\u0438 \u0446\u044c\u043e\u043c\u0443 \u0431\u0456\u043b\u044c\u0448 \u0432\u0438\u0441\u043e\u043a\u0456 \u0437\u043d\u0430\u0447\u0435\u043d\u043d\u044f \u0432\u043a\u0430\u0437\u0443\u044e\u0442\u044c \u043d\u0430 \u0442\u0435, \u0449\u043e \u043e\u043f\u0438\u0442\u0443\u0432\u0430\u043d\u043d\u044f \u0430\u0431\u043e \u0430\u043d\u043a\u0435\u0442\u0430 \u0454 \u0431\u0456\u043b\u044c\u0448 \u043d\u0430\u0434\u0456\u0439\u043d\u0438\u043c\u0438. \u041d\u0430\u0439\u043f\u0440\u043e\u0441\u0442\u0456\u0448\u0438\u0439 \u0441\u043f\u043e\u0441\u0456\u0431 \u043e\u0431\u0447\u0438\u0441\u043b\u0438\u0442\u0438 \u0430\u043b\u044c\u0444\u0430 \u041a\u0440\u043e\u043d\u0431\u0430\u0445\u0430 \u2014 \u0446\u0435 \u0432\u0438\u043a\u043e\u0440\u0438\u0441\u0442\u043e\u0432\u0443\u0432\u0430\u0442\u0438 \u0444\u0443\u043d\u043a\u0446\u0456\u044e cronbach.alpha() \u0437 \u043f\u0430\u043a\u0435\u0442\u0443 ltm . \u0426\u0435\u0439 \u043f\u0456\u0434\u0440\u0443\u0447\u043d\u0438\u043a \u043c\u0456\u0441\u0442\u0438\u0442\u044c \u043f\u0440\u0430\u043a\u0442\u0438\u0447\u043d\u0438\u0439 \u043f\u0440\u0438\u043a\u043b\u0430\u0434 \u0432\u0438\u043a\u043e\u0440\u0438\u0441\u0442\u0430\u043d\u043d\u044f \u0446\u0456\u0454\u0457 \u0444\u0443\u043d\u043a\u0446\u0456\u0457. […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"yoast_head":"\n\u042f\u043a \u043e\u0431\u0447\u0438\u0441\u043b\u0438\u0442\u0438 \u0430\u043b\u044c\u0444\u0430 \u041a\u0440\u043e\u043d\u0431\u0430\u0445\u0430 \u0432 R (\u0437 \u043f\u0440\u0438\u043a\u043b\u0430\u0434\u0430\u043c\u0438)<\/title>\n<meta name=\"description\" content=\"\u0426\u0435\u0439 \u043f\u0456\u0434\u0440\u0443\u0447\u043d\u0438\u043a \u043f\u043e\u044f\u0441\u043d\u044e\u0454, \u044f\u043a \u043e\u0431\u0447\u0438\u0441\u043b\u0438\u0442\u0438 \u0430\u043b\u044c\u0444\u0430 \u041a\u0440\u043e\u043d\u0431\u0430\u0445\u0430 \u0432 R, \u043d\u0430 \u043f\u0440\u0438\u043a\u043b\u0430\u0434\u0456.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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