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    請使用永久網址來引用或連結此文件: http://ir.cnu.edu.tw/handle/310902800/28508


    標題: Applying Computerized Adaptive Testing to the Negative Acts Questionnaire-Revised: Rasch Analysis of Workplace Bullying
    作者: Ma, Shu-Ching
    Chien, Tsair-Wei
    Wang, Hsiu-Hung
    Li, Yu-Chi
    Yui, Mei-Shu
    貢獻者: 醫務管理系
    關鍵字: computerized adaptive testing
    computer on wheels
    classic test theory
    item response theory
    nonadaptive testing
    the Negative Acts Questionnaire-Revised
    日期: 2014-02
    上傳時間: 2015-05-06 21:18:49 (UTC+8)
    出版者: Jmir Publications, Inc
    摘要: Background: Workplace bullying is a prevalent problem in contemporary work places that has adverse effects on both the victims of bullying and organizations. With the rapid development of computer technology in recent years, there is an urgent need to prove whether item response theory-based computerized adaptive testing (CAT) can be applied to measure exposure to workplace bullying. Objective: The purpose of this study was to evaluate the relative efficiency and measurement precision of a CAT-based test for hospital nurses compared to traditional nonadaptive testing (NAT). Under the preliminary conditions of a single domain derived from the scale, a CAT module bullying scale model with polytomously scored items is provided as an example for evaluation purposes. Methods: A total of 300 nurses were recruited and responded to the 22-item Negative Acts Questionnaire-Revised (NAQ-R). All NAT (or CAT-selected) items were calibrated with the Rasch rating scale model and all respondents were randomly selected for a comparison of the advantages of CAT and NAT in efficiency and precision by paired t tests and the area under the receiver operating characteristic curve (AUROC). Results: The NAQ-R is a unidimensional construct that can be applied to measure exposure to workplace bullying through CAT-based administration. Nursing measures derived from both tests (CAT and NAT) were highly correlated (r=.97) and their measurement precisions were not statistically different (P=.49) as expected. CAT required fewer items than NAT (an efficiency gain of 32%), suggesting a reduced burden for respondents. There were significant differences in work tenure between the 2 groups (bullied and nonbullied) at a cutoff point of 6 years at 1 worksite. An AUROC of 0.75 (95% CI 0.68-0.79) with logits greater than -4.2 (or >30 in summation) was defined as being highly likely bullied in a workplace. Conclusions: With CAT-based administration of the NAQ-R for nurses, their burden was substantially reduced without compromising measurement precision.
    關聯: Journal of Medical Internet Research, v.16 n.2, e50
    顯示於類別:[醫務管理系(所)] 期刊論文

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