Research Article

Validity and Reliability of the Turkish Version of the Brief Experiential Avoidance Questionnaire: Measuring A Transdiagnostic Construct

Volume: 13 Number: 1 January 31, 2026
TR EN

Validity and Reliability of the Turkish Version of the Brief Experiential Avoidance Questionnaire: Measuring A Transdiagnostic Construct

Abstract

Experiential avoidance is one of the most frequently emphasized transdiagnostic constructs in the literature and has been receiving increasing attention in both research and clinical practice. The aim of this study was to examine the psychometric properties of the Turkish version of the Brief Experiential Avoidance Questionnaire (BEAQ), a scale designed to provide a concise assessment of experiential avoidance. The study was conducted with 356 voluntary participants aged 18 to 64. The validity of the BEAQ was examined using factor analyses and correlation-based methods, and its reliability was assessed through internal consistency. Construct validity was assessed through exploratory structural equation modeling (ESEM), which combines exploratory and confirmatory methods. In addition, a Graded Response Model (GRM) analysis was conducted to evaluate item discrimination. For validity, associations with measures of avoidance, psychological symptoms (anxiety and depression), and negative affect were examined. ESEM results confirmed the original single-factor structure. The BEAQ demonstrated high internal consistency (α = .889; ω = .892). The GRM analysis revealed that the items demonstrated adequate levels of discrimination. The BEAQ demonstrated strong associations with avoidance-related measures, moderate relationships with psychological symptoms, and weaker links with negative affect, supporting its specificity to experiential avoidance. The findings supported the validity and reliability of the Turkish version of the BEAQ as a measure of experiential avoidance and were discussed in the context of the literature and future research.

Keywords

Supporting Institution

The authors declared that this study has received no financial support.

Ethical Statement

This study was conducted in accordance with the principles of the Declaration of Helsinki and was approved for implementation by the İzmir Democracy University Social Sciences Ethics Committee (ID: 2025/0614)

References

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Details

Primary Language

English

Subjects

Clinical Psychology

Journal Section

Research Article

Publication Date

January 31, 2026

Submission Date

August 2, 2025

Acceptance Date

November 1, 2025

Published in Issue

Year 2026 Volume: 13 Number: 1

APA
Gerdan, G., & Gürlük, Y. O. (2026). Validity and Reliability of the Turkish Version of the Brief Experiential Avoidance Questionnaire: Measuring A Transdiagnostic Construct. AYNA Klinik Psikoloji Dergisi, 13(1), 220-239. https://doi.org/10.31682/ayna.1756922
AMA
1.Gerdan G, Gürlük YO. Validity and Reliability of the Turkish Version of the Brief Experiential Avoidance Questionnaire: Measuring A Transdiagnostic Construct. AYNA Klinik Psikoloji Dergisi. 2026;13(1):220-239. doi:10.31682/ayna.1756922
Chicago
Gerdan, Gizem, and Yılmaz Orhun Gürlük. 2026. “Validity and Reliability of the Turkish Version of the Brief Experiential Avoidance Questionnaire: Measuring A Transdiagnostic Construct”. AYNA Klinik Psikoloji Dergisi 13 (1): 220-39. https://doi.org/10.31682/ayna.1756922.
EndNote
Gerdan G, Gürlük YO (January 1, 2026) Validity and Reliability of the Turkish Version of the Brief Experiential Avoidance Questionnaire: Measuring A Transdiagnostic Construct. AYNA Klinik Psikoloji Dergisi 13 1 220–239.
IEEE
[1]G. Gerdan and Y. O. Gürlük, “Validity and Reliability of the Turkish Version of the Brief Experiential Avoidance Questionnaire: Measuring A Transdiagnostic Construct”, AYNA Klinik Psikoloji Dergisi, vol. 13, no. 1, pp. 220–239, Jan. 2026, doi: 10.31682/ayna.1756922.
ISNAD
Gerdan, Gizem - Gürlük, Yılmaz Orhun. “Validity and Reliability of the Turkish Version of the Brief Experiential Avoidance Questionnaire: Measuring A Transdiagnostic Construct”. AYNA Klinik Psikoloji Dergisi 13/1 (January 1, 2026): 220-239. https://doi.org/10.31682/ayna.1756922.
JAMA
1.Gerdan G, Gürlük YO. Validity and Reliability of the Turkish Version of the Brief Experiential Avoidance Questionnaire: Measuring A Transdiagnostic Construct. AYNA Klinik Psikoloji Dergisi. 2026;13:220–239.
MLA
Gerdan, Gizem, and Yılmaz Orhun Gürlük. “Validity and Reliability of the Turkish Version of the Brief Experiential Avoidance Questionnaire: Measuring A Transdiagnostic Construct”. AYNA Klinik Psikoloji Dergisi, vol. 13, no. 1, Jan. 2026, pp. 220-39, doi:10.31682/ayna.1756922.
Vancouver
1.Gizem Gerdan, Yılmaz Orhun Gürlük. Validity and Reliability of the Turkish Version of the Brief Experiential Avoidance Questionnaire: Measuring A Transdiagnostic Construct. AYNA Klinik Psikoloji Dergisi. 2026 Jan. 1;13(1):220-39. doi:10.31682/ayna.1756922