{"id":369,"date":"2017-02-02T01:01:04","date_gmt":"2017-02-01T17:01:04","guid":{"rendered":"https:\/\/www.beneplot.com\/?p=369"},"modified":"2020-07-23T15:06:10","modified_gmt":"2020-07-23T07:06:10","slug":"%e4%bf%a1%e5%ba%a6-reliability","status":"publish","type":"post","link":"https:\/\/www.beneplot.com\/?p=369","title":{"rendered":"\u4fe1\u5ea6 (Reliability)"},"content":{"rendered":"<p><strong>\u4fe1\u5ea6<\/strong><strong>(<\/strong><strong>reliability<\/strong><strong>)<\/strong>\u662f\u6d4b\u91cf\u4e2d\u7684\u4e00\u4e2a\u91cd\u8981\u6982\u5ff5\u3002\u4fe1\u5ea6\u5206\u4e3a\u5f88\u591a\u79cd\uff0c\u4f46\u6240\u6709\u4fe1\u5ea6\u7684\u539f\u7406\u90fd\u76f8\u540c\uff0c\u5373\uff1a\u8861\u91cf\u4e00\u4e2a\u6d4b\u8bd5\u7684<strong>\u4e00\u81f4\u6027\u4e0e\u7a33\u5b9a\u6027<\/strong>\u3002\u4e00\u4e2a\u6d4b\u8bd5\u7684\u4e0d\u540c\u6b21\u7ed3\u679c\u4e4b\u95f4\u7684\u5dee\u5f02\u8d8a\u5c0f\uff0c\u4fe1\u5ea6\u7cfb\u6570\u8d8a\u9ad8\uff0c\u53cd\u4e4b\uff0c\u5dee\u5f02\u5927\u5219\u4fe1\u5ea6\u4f4e\u3002\u8fd9\u4f7f\u5f97\u4fe1\u5ea6\u4e0e\u76f8\u5173\u7cfb\u6570(Correlation)\u5bc6\u4e0d\u53ef\u5206\uff0c\u4e00\u4e9b\u4fe1\u5ea6\u5373\u662f\u7531\u76f8\u5173\u7cfb\u6570\u8ba1\u7b97\u800c\u5f97\u3002<\/p>\n<p><strong>Cronbach\u2019s Alpha\u4fe1\u5ea6<\/strong>\u662f\u76ee\u524d\u5e94\u7528\u6700\u4e3a\u5e7f\u6cdb\u548c\u6700\u4e3a\u4eba\u77e5\u7684\u4fe1\u5ea6\uff0c\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u4eba\u4eec\u6240\u8bf4\u7684\u4fe1\u5ea6\u5373\u6307Cronbach\u2019s Alpha\u4fe1\u5ea6(<strong>\u4ee5\u4e0b\u7b80\u79f0<\/strong><strong>\u03b1<\/strong>)\u3002\u5728\u6d4b\u8bd5\u4e2d\uff0c<strong>\u03b1<\/strong>\u4fe1\u5ea6\u4f4e\uff0c\u8868\u660e\u8003\u751f\u7684\u6d4b\u8bd5\u5206\u6570\u66f4\u591a\u53d7\u5230\u6709\u95ee\u9898\u7684\u6d4b\u8bd5\u7684\u5f71\u54cd\uff0c\u800c\u975e\u4f53\u73b0\u5176\u771f\u5b9e\u80fd\u529b\u3002<strong>\u03b1<\/strong>\u4fe1\u5ea6\u8d8a\u4f4e\uff0c\u8003\u751f\u7684\u6d4b\u8bd5\u7ed3\u679c\u4e0e\u4ed6\u4eec\u7684\u771f\u5b9e\u6c34\u5e73\u7684\u504f\u79bb\uff08\u6216\u660e\u663e\u504f\u9ad8\u6216\u660e\u663e\u504f\u4f4e\uff09\u4f1a\u8d8a\u5927\u3002<\/p>\n<p>Cronbach\u2019s Alpha\u4fe1\u5ea6\u7684\u8ba1\u7b97\u516c\u5f0f\u4e3a\uff1a<\/p>\n<p><strong>\u03b1<\/strong><strong> = T\/(T-1) * (1 \u2013 sum(varT1, varT2 \u2026 varTX) \/ var(X1, X2 \u2026 XX)),\u00a0\u00a0\u00a0 (<\/strong><strong>\u516c\u5f0f\u4e00<\/strong><strong>)<\/strong><\/p>\n<p>\u5176\u4e2d\uff0c<strong>T<\/strong>\u8868\u793a\u6d4b\u8bd5\u7684\u603b\u9898\u91cf\uff0c<strong>varT1<\/strong>\u8868\u793a\u6240\u6709\u4eba\u4f5c\u7b54\u7b2c\u4e00\u9053\u9898\u7684\u5206\u6570\u7684\u65b9\u5dee\uff0c<strong>X1<\/strong>\u8868\u793a\u7b2c\u4e00\u4e2a\u4eba\u4f5c\u7b54\u5b8c\u6240\u6709\u9898\u76ee\u540e\u7684\u5f97\u5206\u3002<\/p>\n<p>\u5728\u516c\u5f0f\u4e00\u4e2d\uff0c<strong> var(X1, X2 \u2026 XX))<\/strong>\u4f53\u73b0\u4e86\u4e0d\u540c\u7684\u4eba\u5728\u540c\u4e00\u4e2a\u6d4b\u8bd5\u4e2d\u7684\u8868\u73b0\u5dee\u5f02\uff0c\u53c8\u53ef\u88ab\u79f0\u4e3a<strong>\u4e2a\u4f53\u95f4\u65b9\u5dee<\/strong>\uff0c<strong>varT<\/strong>\u4f53\u73b0\u4e86\u4e0d\u540c\u7684\u4eba\u5728\u540c\u4e00\u9053\u9898\u4e2d\u7684\u8868\u73b0\u5dee\u5f02\uff0c\u800c<strong>sum(varT1, varT2 \u2026 varTX)<\/strong>\u5219\u4f53\u73b0\u4e86\u6574\u4e2a<strong>\u8003\u8bd5\u7684\u65b9\u5dee<\/strong>\u3002<\/p>\n<p>\u4e00\u4e2a\u4eba\u7684\u6d4b\u8bd5\u5206\u6570\u4f1a\u53d7\u5230\u5176\u80fd\u529b\u6c34\u5e73\u3001\u6d4b\u8bd5\u672c\u8eab\u3001\u8bef\u5dee\u7b49\u4e09\u65b9\u9762\u7684\u5f71\u54cd\uff0c\u7531\u4e8e<strong>\u65b9\u5dee\u5177\u6709\u53ef\u52a0\u6027\uff0c<\/strong>\u5f97\uff1a<\/p>\n<p><strong>\u4e2a\u4f53\u95f4\u65b9\u5dee<\/strong><strong> = <\/strong><strong>\u80fd\u529b\u65b9\u5dee<\/strong><strong> + <\/strong><strong>\u8003\u8bd5\u65b9\u5dee<\/strong><strong> + <\/strong><strong>\u8bef\u5dee\u65b9\u5dee<\/strong><\/p>\n<p>\u56e0\u6b64\uff0c<strong>\u516c\u5f0f\u4e00\u53ef\u8f6c\u5316\u4e3a\uff1a<\/strong><\/p>\n<p><strong>\u03b1<\/strong> = \u00a0T\/(T-1) * (1 \u2013 <strong>\u8003\u8bd5\u65b9\u5dee<\/strong> \/ <strong>\u4e2a\u4f53\u95f4\u65b9\u5dee<\/strong>),<\/p>\n<p>\u00a0\u00a0 =\u00a0 T\/(T-1) * (<strong>\u80fd\u529b\u65b9\u5dee<\/strong><strong> + <\/strong><strong>\u8bef\u5dee\u65b9\u5dee<\/strong><strong>) \/ <\/strong><strong>\u4e2a\u4f53\u95f4\u65b9\u5dee<\/strong>,\u00a0\u00a0<\/p>\n<p>\u5728\u4e0a\u7b49\u5f0f\u4e2d\uff0c<\/p>\n<p>(<strong>\u80fd\u529b\u65b9\u5dee<\/strong><strong> + <\/strong><strong>\u8bef\u5dee\u65b9\u5dee<\/strong><strong>) \/ <\/strong><strong>\u4e2a\u4f53\u95f4\u65b9\u5dee<\/strong>\u7684\u503c\u6700\u5927\u4e3a1\uff0c\u5f53\u4e3a1\u65f6\uff0c\u8868\u660e\u6d4b\u8bd5\u5177\u6709\u6700\u9ad8\u7684\u4fe1\u5ea6\uff0c\u4e0d\u540c\u7684\u4eba\u5728\u6d4b\u8bd5\u4e2d\u7684\u6210\u7ee9\u5dee\u5f02\u53ea\u53d7\u5230\u4eba\u672c\u8eab\u7684\u80fd\u529b\u5dee\u5f02\u548c\u8bef\u5dee\u56e0\u7d20\u7684\u5f71\u54cd\u3002<\/p>\n<p><strong>T\/(T-1)<\/strong><strong>\u7684\u4f5c\u7528\u5728\u4e8e\u6821\u6b63\u6d4b\u8bd5\u9898\u91cf\u8fc7\u5c11\u65f6\uff0c\u65b9\u5dee\u504f\u4f4e\u7684\u95ee\u9898\u3002<\/strong>\u6839\u636e\u4e0d\u540c\u7684\u60c5\u51b5\uff0c\u6709\u4e9b\u7814\u7a76\u8005\u4f1a\u5c06\u5176\u4ece\u4fe1\u5ea6\u516c\u5f0f\u4e2d\u5220\u9664\u3002<\/p>\n<p>\u901a\u5e38<strong>\u03b1<\/strong>\u57280.8\u5de6\u53f3\u65f6\u8868\u660e\u8be5\u6d4b\u8bd5\u5177\u6709\u826f\u597d\u7684\u4fe1\u5ea6\uff0c\u5f53\u4f4e\u4e8e0.6\u65f6\uff0c\u8868\u660e\u8be5\u6d4b\u8bd5\u4fe1\u5ea6\u4e0d\u8db3\u3002<strong>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff1a\u4fe1\u5ea6\u5e76\u975e\u8d8a\u9ad8\u8d8a\u597d\u3002<\/strong>\u5f53\u4fe1\u5ea6\u8d85\u8fc70.95\u65f6\uff0c\u5f88\u53ef\u80fd\u8868\u660e\u8be5\u6d4b\u8bd5\u4e2d\u5b58\u5728\u4e00\u4e9b\u591a\u4f59\u7684\u9898\u76ee\uff0c\u8fdb\u800c\u964d\u4f4e\u4e86\u6d4b\u8bd5\u6548\u7387\u3002<\/p>\n<p>\u6b64\u5916\uff0c\u5728\u5bf9\u4e0d\u540c\u7684\u6d4b\u8bd5\u8fdb\u884c<strong>\u7b49\u503c\u65f6<\/strong>\uff0c\u8981\u6c42\u5404\u4e2a\u6d4b\u8bd5\u7684\u4fe1\u5ea6\u5fc5\u987b\u76f8\u540c\u6216\u975e\u5e38\u63a5\u8fd1\uff0c\u4fe1\u5ea6\u76f8\u5dee\u5f88\u5927\u7684\u4e24\u4e2a\u6d4b\u9a8c\u662f\u4e0d\u53ef\u4ee5\u8fdb\u884c\u7b49\u503c\u7684\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4fe1\u5ea6(reliability)\u662f\u6d4b\u91cf\u4e2d\u7684\u4e00\u4e2a\u91cd\u8981\u6982\u5ff5\u3002\u4fe1\u5ea6\u5206\u4e3a\u5f88\u591a\u79cd\uff0c\u4f46\u6240\u6709\u4fe1\u5ea6\u7684\u539f\u7406\u90fd\u76f8\u540c\uff0c\u5373\uff1a\u8861\u91cf\u4e00\u4e2a\u6d4b\u8bd5 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[10],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v14.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<meta name=\"robots\" content=\"index, follow\" \/>\n<meta name=\"googlebot\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta name=\"bingbot\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.beneplot.com\/?p=369\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u4fe1\u5ea6 (Reliability) - Beneplot\" \/>\n<meta property=\"og:description\" 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