Psychometrics of rating scales for externalizing disorders in Japanese outpatients: The ADHD‐Rating Scale‐5 and the Disruptive Behavior Disorders Rating Scale

Psychometrics of rating scales for externalizing disorders in Japanese outpatients: The ADHD‐Rating Scale‐5 and the Disruptive Behavior Disorders Rating Scale

Abstract Objectives This study validated the Japanese version of the Attention‐Deficit/Hyperactivity Disorder‐Rating Scale‐5 (ADHD‐RS‐5) and the Disruptive Behavior Disorders Rating Scale. We extended the ADHD‐RS‐5 by adding the oppositional defiant disorder and conduct disorder subscales to compare...

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Bibliographic Details
Main Authors: Saeko Ishibashi, Takeshi Nishiyama, Takuya Makino, Futoshi Suzuki, Shoko Shimada, Shinji Tomari, Eiji Imanari, Takuma Higashi, Shintaro Fukumoto, Sawa Kurata, Yoshifumi Mizuno, Takeshi Morimoto, Hidetaka Nakamichi, Tomoko Iida, Kei Ohashi, Atsurou Yamada, Takuma Kimura, Yukiko Kuru, Satoshi Sumi, Yasuo Tanaka, Kazuya Ono, Hironobu Ichikawa, George J. DuPaul, Hirotaka Kosaka
Format: Article
Language:English
Published: Wiley 2024-03-01
Series:International Journal of Methods in Psychiatric Research
Subjects:
attention‐deficit/hyperactivity disorder
disruptive behavior disorders
rating scales
reliability
validity
Online Access:https://doi.org/10.1002/mpr.2015
Description
Summary:Abstract Objectives This study validated the Japanese version of the Attention‐Deficit/Hyperactivity Disorder‐Rating Scale‐5 (ADHD‐RS‐5) and the Disruptive Behavior Disorders Rating Scale. We extended the ADHD‐RS‐5 by adding the oppositional defiant disorder and conduct disorder subscales to compare the two rating scales psychometrically. Methods We examined the internal consistency, test‐retest reliability, construct validity and criterion validity of the two rating scales in 135 Japanese outpatients aged 6–18 years. Results The internal consistency and test‐retest reliability were good for all the subscales of the two rating scales except for the conduct disorder subscale of the ADHD‐RS‐5 extended. Good construct validity was revealed by expected correlational patterns between subscales from the two rating scales and the Children Behavior Checklist. The criterion validity was good for all the subscales of the two rating scales rated by parents, while teacher‐ratings revealed substantially lower predictive ability for all the subscales. Agreement between parent‐ and teacher‐ratings of the two rating scales was generally moderate and using predictive ratings alone of both ratings showed the best predictive ability among the integration methods examined. Conclusion The two rating scales have sound psychometric properties and will aid in screening and severity assessment of externalizing disorders in Japanese clinical settings.
ISSN:1049-8931
1557-0657

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