An examination of the construct validity of the Generalized Pliance Questionnaire

Volume 11, January 2019, Pages 50-54

Authors:
Daniel Waldeck, Luca Pancani, and Ian Tyndall

Abstract:
The Generalized Pliance Questionnaire (GPQ) was originally validated against measures of psychological flexibility and psychological distress. However, measures which have substantial conceptual overlap with the GPQ (e.g., the Need to Belong Scale [NTBS], Brief Fear of Negative Evaluation Scale [BFNE]) were not examined. The present study seeks to investigate the construct validity of the GPQ-9. As expected, data from a survey of 272 participants indicated significant large correlations between the GPQ-9 and NTBS and BFNE respectively. The results of a confirmatory factor analysis confirmed the unidimensional structure of the GPQ-9. A structural equation model revealed that the BFNE (and not the GPQ-9 or NTBS) was significantly associated with psychological flexibility and psychological distress. Implications of these tentative preliminary findings suggest that the BFNE and GPQ-9 should be used in different contexts when applied to Acceptance and Commitment Therapy (ACT) research.

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