The adolescent dissociative experiences scale: psychometric properties and difference in scores across age groups.

Adolescence is thought to be a key developmental period for dissociative processes. However, there has been little empirical investigation of dissociation in adolescence. This paper reports the results of a study (N = 768) that investigated the psychometric properties of the Adolescent Dissociative Experiences Scale (A-DES) and compares dissociation scores across the adolescent age range (11 to 16 years). The A-DES had good internal reliability and a one-factor solution. No significant age or gender differences in A-DES scores were found. The implications of these findings for future research and theory are outlined.