Examination of the Psychometric Properties of the Conners' Parent and Teacher Rating Scale-revised Short Form Using Multidimensional Rasch Modeling

以多向度羅序模式檢驗柯能氏家長版及老師版兒童行為量表－修訂版之心理計量

10.29478/TJP.200906.0007

蘇佳廷(Chia-Ting Su)；王文中(Wen-Chung-Wang)；高淑芬(Shur-Fen Gau)；宋維村(Wei-Tsuen Soong)；許清芳(Ching-Fan Sheu)；丘彥南(Yen-Nan Chiu)；蔡文哲(Wen-Che Tsai)；謝清麟(Ching-Lin Hsieh)

注意力缺失／過動症 ； 柯能氏問卷 ； 多向度羅序模式分析 ； ADHD ； Conners' rating scale ； multidimensional Rasch analysis

台灣精神醫學

23卷2期（2009 / 06 / 01）

146 - 158

英文

目的：柯能氏問卷已被廣泛使用於注意力缺失／過動症(ADHD)孩童的篩選及療效量測。然而，問卷的心理計量卻未被完整的檢驗。故本研究的目的為藉由多向度羅序模式，分析柯能氏家長版及老師版兒童行為量表－修訂版（CPRS-R:S及CTRS-R:S）中各子測驗的向度一致性，轉換序位尺度成等距尺度，及檢驗分數層級的合適性。方法：研究對象包含具代表性的學校樣本2584 名學生（含國小1年級至國中3年級），及555位5歲至16歲從北臺灣醫學中心招募的臨床個案（含ADHD及非ADHD診斷）。個案的家長及老師分別填寫中文版的CPRS-R:S及CTRS-R:S。我們使用多向度羅序模式分析以檢驗兩份問卷之心理計量。結果：移除5題配適度差的題目後，其餘題目的模式與資料配適度佳。這支持了8個子測驗個別的向度一致性及等距尺度的達成。另外，8個子測驗亦有相當合適的分數層級。結論：去除掉5題配適度差的題目，CPRS-R:S及CTRS-R:S皆為有效且可靠之ADHD症狀的評估工具。此外，轉換原始分數為等距尺度改善了在比較評估結果方面的精準度。

Objective: The Conners' Rating Scales (CRS) have been widely used for screening and measuring outcomes in treating children with attention-deficit hyperactivity disorder (ADHD). However, the psychometric properties of the CRS have not been fully examined. This study aimed to validate the dimensionality, to transform ordinal scores into interval scores, and to examine the appropriateness of the scoring levels of the Conners' Parent and Teacher Rating Scale-Revised Short Form (CPRS-R:S and CTRS-R:S, respectively) by using multidimensional Rasch analysis. Methods: The sample included a representative school-based sample of 2,584 grades 1 to 9 students and a clinic-based group of 555 participants aged 5 to 16 with and without ADHD consecutively recruited from a medical center in northern Taiwan. Their parents and teachers completed the Chinese versions of the CPRS-R: S and CTRS-R: S, respectively. We used multidimensional Rasch analysis to examine the psychometric properties of both scales. Results: After removing 5 poor-fitting items, all the remaining items showed satisfactory model-data fit, which, subsequently, supported the unidimensionality of each of the 8 subtests and achieved interval-level measurement. Also, the scoring levels of the 8 subtests in the CPRS-R: S and CTRS-R: S were fairly appropriate. Conclusion: The CPRS-R: S and CTRS-R: S with the 5 misfit items removed are both valid and reliable tools in assessing symptoms of ADHD. Moreover, the transformation of raw scores into interval scores improves the precision of comparison between assessments.

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