Measuring psychological inflexibility in children and adolescents: evaluating the avoidance and fusion questionnaire for youth

Eszter Szemenyei, Melinda Reinhardt, Edina Szabo, Krisztina-Gabriella Szabo, Robert Urban, Shane T. Harvey, Antony Morgan, Zsolt Demetrovics, Gyongyi Kokonyei*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

15 Citations (Scopus)

Abstract

The Avoidance and Fusion Questionnaire for Youth (AFQ-Y8) was developed to measure psychological inflexibility. Although the questionnaire is a well-known tool in clinical practice, its psychometric properties have not been widely investigated in the target population of children and adolescents. The purpose of this study was to investigate the factor structure and validity of the AFQ-Y8 (N = 1,572, mean age 15.39 years, girls 51%) on a Hungarian sample. We also tested the invariance of the measurement model across two age groups (11-14 and 15-20 years old). Results confirmed the single-factor structure of the AFQ-Y8. Psychological inflexibility was also found to be positively related to emotional instability, externalizing, and internalizing problems. Furthermore, psychological inflexibility explained the variance of life satisfaction when personality dimensions, emotional, and behavioral problems were accounted for. Measurement invariance across age groups was partially supported. These results suggest that the AFQ-Y8 is a reliable and valid instrument for assessing psychological inflexibility in children and adolescents.
Original languageEnglish
Article number30198319
Pages (from-to)1810-1820
Number of pages11
JournalAssessment
Volume27
Issue number8
Early online date9 Sept 2018
DOIs
Publication statusPublished - 1 Dec 2020

Keywords

  • AFQ-Y8
  • experiential avoidance
  • cognitive fusion
  • psychological inflexibility
  • confirmatory factor analysis
  • age invariance
  • convergent validity

ASJC Scopus subject areas

  • Clinical Psychology
  • Applied Psychology

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