Abstract

This study aimed to develop and validate the call phobia scale. Firstly, we operationally defined ‘the call phobia’, and then selected the first 26 preliminary items based on call phobia symptoms, characteristics, and an online call phobia questionnaire. Secondly, the expert group verified the content validity, and then item 25 was selected through the preliminary validation study. Thirdly, 25-items Call Phobia Questionnaire (CPQ) and other self questionnaire about anxiety, social anxiety, and depression were administered to 405 undergraduate students. Exploratory factor analysis yielded a three-factor structure of 24-items CPQ: “anxiety and avoidance“, “worry and rumination” and “traumatic experience”. CPQ was also found to have high internal consistency and have appropriate concurrent and divergent validity with significant positive correlations with anxiety, depression, and social anxiety. Through confirmatory factor analysis, a three factor structure of 24-items CPQ was confirmed. Finally, the significance, limitations, and suggestions for further research were described.