Development and validation of the Japanese version of Responsibility Attitude Scale and Responsibility Interpretations Questionnaire

Abstract

Distorted beliefs about responsibility attitude and interpretation are a central theme in Salkovskis’ cognitive model of Obsessive-Compulsive Disorder (OCD). This study aimed to develop Japanese versions of the Responsibility Attitude Scale (RAS-J) and Responsibility Interpretation Questionnaire (RIQ-J). Participants in Study 1 were 118 non-clinical Japanese students who completed the RAS-J and RIQ-J to confirm the test-retest reliability of these scales. In Study 2, 98 participants (OCD group = 37; anxiety control group = 24; healthy control group = 37) completed the RAS-J, RIQ-J and other measures to assess the validity of the RAS-J and RIQ-J. As a result of analysis, The RAS-J and RIQ-J demonstrated adequate test-retest reliability and internal consistency. In addition, both scales had adequate concurrent validity, demonstrated by significant correlations with other measures of OCD, anxiety and depression. Group comparison data using ANOVA with Bonferroni method indicated that RAS-J and RIQ-J scores fo...