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題 名 | 評分者信度:Aiken和諧係數之應用=Applications of Aiken's Homogeneity Coefficient to Interrater Reliability Assessment |
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作 者 | 李茂能; | 書刊名 | 嘉義師院學報 |
卷 期 | 11 1997.11[民86.11] |
頁 次 | 頁77-88 |
分類號 | 179.1 |
關鍵詞 | Cronbach α係數; Aiken和諧係數; 評分者信度; 觀察者信度; Cronbach α; Aiken's homogeneity coefficient; Interrater reliability; Interobserver reliability; |
語 文 | 中文(Chinese) |
中文摘要 | 本文旨在探討次序性評定式量表信度與自陳式量表α係數的心理計量特 質之差異性。次序性評定式量表的信度涉及評分者間對於評定結果或分類結果的一致性問題 ;這與一般 Likert-type 等距性自陳式量表之題目內容同質性問題具有很大差異。 兩者之 心理計量特質截然不同;前者深受評分者間評定結果之絕對差異的影響;而影響自陳式量表 信度的關鍵乃在於相對位置之一致性。因此,α係數並不適用於評估次序性評定式量表的信 度; 而 Aiken 和諧係數不僅能提供顯著性之考驗結果而且更適合於評估此種次序性評定式 量表之信度。為便利讀者對於 Aiken 和諧係數之計算,文中提供 --SAS 應用程式。文末, 並提供三個實證性之實例說明 Aiken 和諧係數之優點、應用方法、與注意事項。 |
英文摘要 | It is argued that the psychometric property of an ordinal rating scale is theoretically different from that of a classical self- stated scale. Cronbach α coefficient, frequently reported for a Likert-type scale, focuses on the overall consistency of relative positions of rater's or observer's ratings/recordings. However, when assessing an ordinal rating scale, researchers should also take into account the absolute level of agreement of rater's ratings. As such, Aiken's homogeneity coefficient fits well scales of this kind. Its applications and advantages over Cronbach α coefficient are further exemplified by empirical examples. To facilitate use of Aiken's homogeneity coefficient, a SAS computer program for calculating it is given in the article. |
本系統中英文摘要資訊取自各篇刊載內容。