From Wikipedia, the free encyclopedia
重測試信度(test-retest reliability)指一個量度方法有幾受時間影響;例如有一個俾心理學家用嚟量度智商嘅測驗,做研究,搵班受試者返嚟做個測驗,得到一柞分數 ,然後過咗一個月之後,搵返班受試者返嚟又做過,得到另一柞分數 ;一般認為智商冇乜可能會喺一個月之內改變嘅,如果 同 差異好大,就表示呢個測驗嘅重測試信度低。
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