《困难儿童问卷》（QCD）的信度和效度。
The reliability and validity of the Questionnaire - Children with Difficulties (QCD).
机构信息
Department of Child and Adolescent Psychiatry, National Center for Global Health and Medicine, Kohnodai Hospital, Ichikawa, Japan.
出版信息
Child Adolesc Psychiatry Ment Health. 2013 Mar 27;7(1):11. doi: 10.1186/1753-2000-7-11.
Abstract
BACKGROUND
The aim of this study was to evaluate the reliability and validity of the Questionnaire-Children with Difficulties (QCD), which was developed for the evaluation of children's daily life behaviors during specified periods of the day.
METHODS
The subjects were 1,514 Japanese public elementary and junior high school students. For the examination of reliability, Cronbach's alpha was calculated to assess the internal consistency of the questionnaire. With regard to validity, correlation coefficients were calculated to examine whether QCD scores correlated with those of the ADHD-Rating Scale (ADHD-RS) and the Oppositional Defiant Behavior Inventory (ODBI).
RESULTS
Cronbach's alpha coefficient for the total score of the QCD was .876. The correlation coefficients of the QCD score with ADHD-RS and ODBI scores were -.514 and -.577, respectively.
CONCLUSIONS
The internal consistency and validity of the QCD were demonstrated. The QCD is a reliable and valid instrument for evaluating daily life problems for children during different time periods of the day.
摘要
背景
本研究旨在评估专为评估儿童在一天特定时段日常生活行为而开发的《困难儿童问卷》（QCD）的信度和效度。
方法
本研究的对象为 1514 名日本公立小学和初中的学生。为了检验信度，采用克朗巴赫α系数来评估问卷的内部一致性。至于效度，通过计算相关系数来检验 QCD 得分与 ADHD 评定量表（ADHD-RS）和对立违抗性障碍行为量表（ODBI）得分之间的相关性。
结果
QCD 总分的克朗巴赫α系数为 0.876。QCD 得分与 ADHD-RS 和 ODBI 得分的相关系数分别为-0.514 和-0.577。
结论
QCD 的内部一致性和效度得到了证实。QCD 是一种可靠且有效的工具，可用于评估儿童在一天不同时段的日常生活问题。
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