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    The Child PTSD Symptom Scale: Psychometric properties among earthquake survivors

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    Published Version (765.5Kb)
    Date
    2020-11-27
    Author
    Hermosilla, Sabrina
    Forthal, Sarah
    Van Husen, Madeline
    Metzler, Janna
    Ghimire, Dirgha
    Ager, Alastair
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    Citation
    Hermosilla, S., Forthal, S., Van Husen, M., Metzler, J., Ghimire, D. & Ager, A. (2020) The Child PTSD Symptom Scale: Psychometric properties among earthquake survivors. Child Psychiatry & Human Development (In Press).
    Abstract
    Evidence for a single underlying factor structure of posttraumatic stress disorder (PTSD) in children remains elusive. We assessed the underlying factor structure of the Child PTSD Symptom Scale through exploratory (EFA) and confirmatory factor analyses (CFA) in 570 survivors of the 2015 Gorkha earthquake in Nepal. The EFA suggests that the three-factor DSM-IV model fit these data best. The CFA suggests that while the DSM-IV model adequately fit these data, the four-factor King model fit them better. There was no evidence of differential item functioning by age or gender, and internal consistency of the scale was high. PTSD (overall or by factor) was not correlated with functional impairment. Inconsistent psychometric results across contexts and methodologies suggest that our current theoretical conceptualizations and empirical models of posttraumatic stress are lacking. Future studies must both document the instrument properties to assure internal validity and cross-study comparisons and, bolstered by increased psychometric data and analyses, rework theoretical models of PTSD with improved cross-cultural validity.
    URI
    https://eresearch.qmu.ac.uk/handle/20.500.12289/10899
    Official URL
    https://doi.org/10.1007/s10578-020-01097-z
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