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Investigating corroboration of self-perceived posttraumatic growth among Sri Lankan Tamil survivors of ethnopolitical warfare through trait, domain, and profile agreement approaches

Reynolds, Caleb J.; Blackie, Laura E.R.; Furr, R. Michael; Demaske, A.; Roepke, Ann Marie; Forgeard, Marie; Jayawickreme, Eranda

Investigating corroboration of self-perceived posttraumatic growth among Sri Lankan Tamil survivors of ethnopolitical warfare through trait, domain, and profile agreement approaches Thumbnail


Authors

Caleb J. Reynolds

R. Michael Furr

A. Demaske

Ann Marie Roepke

Marie Forgeard

Eranda Jayawickreme



Abstract

Though research on assessing posttraumatic growth has been severely critiqued, some evidence suggests close others can observe and report changes in individuals following traumatic life events and are sensitive to idiosyncratic ways in which changes manifest. We extended these findings by investigating corroboration of self-perceived posttraumatic growth (PTG) and depreciation (PTD) as measured by the Posttraumatic Growth Inventory–42 (PTGI-42) among Sri Lankan Tamil war survivors (n = 200). Informants slightly corroborated overall levels of PTG and PTD, while a more nuanced profile analysis procedure revealed overall—but not distinctive—profile agreement. This suggests self–other agreement is modest and may partly reflect shared narratives and collective cultural understandings about how people change after trauma. Results demonstrate further that informants were not sensitive to idiosyncratic ways in which target individuals had changed. Together, the lack of validity evidence suggests that the PTGI-42 may be inadequate in some cross-cultural contexts as a measure of nuanced posttraumatic change (i.e., as a measure of specific changes in the five theorized domains of growth and depreciation). Future work should emphasize culture and context-sensitive measurement of posttraumatic change, particularly focusing on methods other than retrospective self-reports, such as prospective longitudinal designs.

Citation

Reynolds, C. J., Blackie, L. E., Furr, R. M., Demaske, A., Roepke, A. M., Forgeard, M., & Jayawickreme, E. (2022). Investigating corroboration of self-perceived posttraumatic growth among Sri Lankan Tamil survivors of ethnopolitical warfare through trait, domain, and profile agreement approaches. Psychological Assessment, 34(12), 1155–1165. https://doi.org/10.1037/pas0001172

Journal Article Type Article
Acceptance Date Jul 27, 2022
Online Publication Date Sep 8, 2022
Publication Date 2022-12
Deposit Date Aug 2, 2022
Publicly Available Date Sep 8, 2022
Journal Psychological Assessment
Print ISSN 1040-3590
Electronic ISSN 1939-134X
Peer Reviewed Peer Reviewed
Volume 34
Issue 12
Pages 1155–1165
DOI https://doi.org/10.1037/pas0001172
Public URL https://nottingham-repository.worktribe.com/output/9581913
Publisher URL https://psycnet.apa.org/record/2022-98534-001?doi=1

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