{"id":2571,"date":"2023-07-21T16:45:56","date_gmt":"2023-07-21T16:45:56","guid":{"rendered":"https:\/\/statorials.org\/cn\/%e5%85%8b%e6%9c%97%e5%b7%b4%e8%b5%ab%e9%98%bf%e5%b0%94%e6%b3%95%e5%85%ac%e5%8f%b8\/"},"modified":"2023-07-21T16:45:56","modified_gmt":"2023-07-21T16:45:56","slug":"%e5%85%8b%e6%9c%97%e5%b7%b4%e8%b5%ab%e9%98%bf%e5%b0%94%e6%b3%95%e5%85%ac%e5%8f%b8","status":"publish","type":"post","link":"https:\/\/statorials.org\/cn\/%e5%85%8b%e6%9c%97%e5%b7%b4%e8%b5%ab%e9%98%bf%e5%b0%94%e6%b3%95%e5%85%ac%e5%8f%b8\/","title":{"rendered":"\u5982\u4f55\u5728 sas \u4e2d\u8ba1\u7b97 cronbach's alpha\uff08\u9644\u793a\u4f8b\uff09"},"content":{"rendered":"

<\/p>\n

\n

Chronbach’s Alpha<\/strong>\u662f\u4e00\u79cd\u8861\u91cf\u95ee\u5377\u6216\u8c03\u67e5\u5185\u90e8\u4e00\u81f4\u6027<\/a>\u7684\u65b9\u6cd5\u3002<\/span><\/p>\n

Cronbach’s alpha \u7684\u8303\u56f4\u4e3a 0 \u5230 1\uff0c\u503c\u8d8a\u9ad8\u8868\u660e\u8c03\u67e5\u6216\u95ee\u5377\u8d8a\u53ef\u9760\u3002<\/span><\/p>\n

\u4ee5\u4e0b\u793a\u4f8b\u663e\u793a\u5982\u4f55\u8ba1\u7b97 SAS \u4e2d\u6570\u636e\u96c6\u7684 Cronbach’s alpha\u3002<\/span><\/p>\n

\u793a\u4f8b\uff1a\u5982\u4f55\u5728 SAS \u4e2d\u8ba1\u7b97 Cronbach’s alpha<\/strong><\/span><\/h3>\n

\u5047\u8bbe\u4e00\u5bb6\u9910\u5385\u7ecf\u7406\u60f3\u8981\u8861\u91cf\u603b\u4f53\u5ba2\u6237\u6ee1\u610f\u5ea6\uff0c\u56e0\u6b64\u5979\u5411 10 \u540d\u5ba2\u6237\u53d1\u9001\u4e86\u4e00\u4efd\u8c03\u67e5\u95ee\u5377\uff0c\u8fd9\u4e9b\u5ba2\u6237\u53ef\u4ee5\u9488\u5bf9\u4e0d\u540c\u7c7b\u522b\u6309\u7167 1 \u5230 3 \u7684\u7b49\u7ea7\u5bf9\u9910\u5385\u8fdb\u884c\u8bc4\u5206\u3002<\/span><\/p>\n

\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u7801\u5728 SAS \u4e2d\u521b\u5efa\u5305\u542b\u8c03\u67e5\u54cd\u5e94\u7684\u6570\u636e\u96c6\uff1a<\/span> <\/p>\n

 \/*create dataset*\/\n<\/span>data<\/span> survey_data;\n    input<\/span> Question1 Question2 Question3;\n    datalines<\/span> ;\n1 1 1\n2 1 1\n2 1 2\n3 2 1\n2 3 2\n2 3 3\n3 2 3\n3 3 3\n2 3 2\n3 3 3\n;\nrun;\n\n\/*view dataset*\/\n<\/span>proc print<\/span> data<\/span> =survey_data;<\/strong><\/span> <\/pre>\n
\"\"<\/p>\n
\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528proc corr<\/strong>\u51fd\u6570\u6765\u8ba1\u7b97 Cronbach’s Alpha\uff1a<\/span> <\/p>\n
 \/*calculate Cronbach's Alpha*\/\n<\/span>proc corr<\/span> data<\/span> =survey_data alpha<\/span> ;\n    var<\/span> Question1-Question3;\nrun<\/span> ;<\/strong><\/span> <\/pre>\n
\"\"<\/p>\n
\u8f93\u51fa\u8868\u4e3a\u6211\u4eec\u63d0\u4f9b\u4e86\u5927\u91cf\u4fe1\u606f\uff0c\u4f46\u6211\u4eec\u611f\u5174\u8da3\u7684\u4e3b\u8981\u503c\u662f\u6807\u9898\u4e3aCronbach Coefficient Alpha \u7684<\/strong>\u8868\u4e2d\u7684\u539f\u59cb<\/strong>\u503c\u3002<\/span><\/p>\n
\u4ece\u8be5\u8868\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230 Cronbach’s Alpha \u4e3a0.773<\/strong> \u3002<\/span><\/p>\n
\u4e0b\u8868\u63cf\u8ff0\u4e86\u4e00\u822c\u5982\u4f55\u89e3\u91ca Cronbach’s Alpha \u7684\u4e0d\u540c\u503c\uff1a<\/span><\/p>\n\n\n\n\n\n\n\n\n\n
\u514b\u6717\u5df4\u8d6b\u963f\u5c14\u6cd5<\/span><\/strong><\/th>\n\u5185\u90e8\u4e00\u81f4\u6027<\/span><\/strong><\/th>\n<\/tr>\n
0.9\u2264\u03b1<\/span><\/td>\n\u51fa\u8272\u7684<\/span><\/td>\n<\/tr>\n
0.8\u2264\u03b1<0.9<\/span><\/td>\n\u597d\u7684<\/span><\/td>\n<\/tr>\n
0.7\u2264\u03b1<0.8<\/span><\/td>\n\u53ef\u4ee5\u63a5\u53d7<\/span><\/td>\n<\/tr>\n
0.6\u2264\u03b1<0.7<\/span><\/td>\n\u53ef\u7591\u7684<\/span><\/td>\n<\/tr>\n
0.5\u2264\u03b1<0.6<\/span><\/td>\n\u8d2b\u7a77\u7684<\/span><\/td>\n<\/tr>\n
\u03b1<0.5<\/span><\/td>\n\u4e0d\u53ef\u63a5\u53d7<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\u7531\u4e8e\u6211\u4eec\u8ba1\u7b97\u51fa\u7684 Cronbach’s alpha \u503c\u4e3a0.773<\/strong> \uff0c\u56e0\u6b64\u6211\u4eec\u53ef\u4ee5\u8bf4\u672c\u6b21\u8c03\u67e5\u7684\u5185\u90e8\u4e00\u81f4\u6027\u4e3a\u201c\u53ef\u63a5\u53d7\u201d\u3002<\/span><\/p>\n
\u5956\u52b1\uff1a<\/strong>\u968f\u610f\u4f7f\u7528\u8fd9\u4e2a Cronbach Alpha \u8ba1\u7b97\u5668\u6765\u67e5\u627e\u7ed9\u5b9a\u6570\u636e\u96c6\u7684 Cronbach Alpha\u3002<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"
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