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Adolescent Dissociative Experience Scale (A-DES)

Title of the Portuguese Version

Escala das experiências dissociativas para adolescentes

Original Version

Armstrong, J. G., Putnam, F. W., Carlson, E. B., Libero, D. Z., & Smith, S. R. (1997)

Portuguese Version

Espirito-Santo, H., Lopes, M., Simões, S., Cunha, M., & Lemos, L. (2014)

General Description

CHARACTERIZATION: self-response instrument based on DSM dissociation characterization with the objective of evaluating dissociative experiences in adolescents. STRUCTURE AND SCORING: 11 items answered through a Likert scale from 0 (never) to 10 (always). The total score derives from the sum of the scores of all items divided by the number of items, ranging from 0 to 10 (high dissociation). PSICOMETRIC CHARACTERISTICS: The internal consistency measured by Cronbach’s Alpha model showed a value of 0.94. The factorial analysis of the scale structure revealed a solution of one factor that explained 38.8% of the variance. The A-DES discriminated between adolescents with mental health problems (M ± SD = 3.89 ± 1.84) and healthy adolescents (M ± SD = 2.06 ± 1.41). CUTOFF SCORE: Receiver Operating Curve confirmed the value 4 determined in other studies.

References

  • Armstrong, J. G., Putnam, F. W., Carlson, E. B., Libero, D. Z., & Smith, S. R. (1997). Development and validation of a measure of adolescent dissociation: The Adolescent Dissociative Experiences Scale. The Journal of nervous and mental disease, 185(8), 491-497.

  • Espirito-Santo, H., Lopes, M., Simões, S., Cunha, M., & Lemos, L. (2014). Psychometrics and correlates of the Adolescent Dissociative Experiences Scale in psychological disturbed and normal Portuguese adolescents. 22nd European Congress of Psychiatry. Munique: European Psychiatric Association. http://repositorio.ismt.pt/handle/123456789/668

Contacts

Helena Espírito Santo – helenum@gmail.com