Assessing Reliability and Validity of the Child PTSD Symptom Scale in Portuguese Adolescents - 29/10/19

Doi : 10.1016/j.ejtd.2019.100127

Ricardo J. Pinto ^a,^⁎ , Patricia Correia-Santos ^b, Maria Castro ^b, Inês Jongenelen ^a, Alytia Levendosky ^c, Ângela C. Maia ^b
^a Faculty of Psychology, Education and Sports, University of Lusófona, HEI-Lab: Digital Human-Environment Interaction Lab, Oporto, Portugal
^b School of Psychology, University of Minho, Braga, Portugal
^c Department of Psychology at Michigan State University, Michigan, US

^⁎Corresponding author at: Faculdade de Psicologia, Universidade Lusófona do Porto, Rua Augusto Rosa, no. 24, 4000-098 Porto, Portugal.Faculdade de Psicologia, Universidade Lusófona do PortoRua Augusto Rosa, no. 24Porto4000-098Portugal

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Abstract

Objective

This study assessed psychometric properties of a self-reported measure of posttraumatic stress disorder (PTSD) for adolescents based on DSM-5 criteria–the Child PTSD Symptom Scale–Self Report. We tested the internal consistency, test-retest reliability, and convergent validity.

Method

The participants were 317 Portuguese adolescents (53% females) between 13 and 17 years old who had experienced at least one traumatic event or one childhood adversity. A subset of the sample (n=85) completed test-retest measures (interval range between 5 and 7 months).

Results

Analyses revealed good to excellent internal consistencies, moderate to good agreement test-retest reliability, and good convergent validity.

Conclusions

Results supported the use of the CPSS-SR-5 scale as a valid and reliable measure for the identification of PTSD symptoms and probable diagnosis according to DSM-5 criteria in Portuguese adolescents.

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Keywords : Adolescents, CPSS-SR-5, Posttraumatic stress symptoms, Psychometric properties