Measuring Psychological Inflexibility in Children and Adolescents: Evaluating the Avoidance and Fusion Questionnaire for Youth

Szemenyei, Eszter; Reinhardt, Melinda; Szabó, Edina; Szabó, Krisztina-Gabriella; Urbán, Róbert; Harvey, Shane T.; Morgan, Antony; Demetrovics, Zsolt; Kökönyei, Gyöngyi

doi:10.1177/1073191118796558

Cited by 22Mindfulness and Compassion InterventionsPsychometric Methodologies and TestingAnxiety, Depression, Psychometrics, Treatment, Cognitive Processes

Measuring Psychological Inflexibility in Children and Adolescents: Evaluating the Avoidance and Fusion Questionnaire for Youth

Szemenyei, Eszter, Reinhardt, Melinda, Szabó, Edina, Szabó, Krisztina-Gabriella, Urbán, Róbert, Harvey, Shane T., Morgan, Antony, Demetrovics, Zsolt +1 more·2020·Assessment

DOI 10.1177/1073191118796558

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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.

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The brief version of Avoidance and Fusion Questionnaire in Youth (AFQ-Y8) is a reliable and valid measure of cognitive fusion and experiential avoidance in children and adolescents.
“Recent studies show that AFQ-Y8 is a reliable and valid measure of these elements of psychological inflexibility in children and adolescents [79, 80].”
From Feasibility of group-based acceptance and commitment therapy for adolescents (AHEAD) with multiple functional somatic syndromes: A pilot study (2020) · cites this paper as [80]

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Inflessibilità psicologica nell’infanzia: proprietà psicometriche dell’Avoidance and Fusion Questionnaire for Youth (AFQ-Y8)
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Spanish validation of the short-form of the Avoidance and Fusion Questionnaire (AFQ-Y8) with children and adolescents.
García-Rubio, C., Lecuona, O., Blanco Donoso, L. M., Cantero-García, M., Paniagua, D., & Rodríguez-Carvajal, R. (2020) · Psychological Assessment · doi:10.1037/pas0000801 · Cited by 25 · see citing works
Psychometric properties of the Avoidance and Fusion Questionnaire – Youth in Colombia
Salazar, D. M., Ruiz, F. J., Suárez-Falcón, J. C., Barreto-Zambrano, M. L., Gómez-Barreto, M. P., & Flórez, C. L. (2019) · Journal of Contextual Behavioral Science · doi:10.1016/j.jcbs.2018.11.008 · Cited by 18 · see citing works

Authors: Szemenyei, E., Reinhardt, M., Szabó, E., Szabó, K.-G., Urbán, R., Harvey, S. T., Morgan, A., Demetrovics, Z., & Kökönyei, G.
Affiliations: Eötvös Loránd University (HU)
Semmelweis University (HU)
Babeș-Bolyai University (RO)
Massey University (NZ)
Glasgow Caledonian University (GB)
Corresponding author: Kökönyei, Gyöngyi
ORCID: Reinhardt, Melinda
Szabó, Edina
Urbán, Róbert
Harvey, Shane T.
Morgan, Antony
Demetrovics, Zsolt
Kökönyei, Gyöngyi
Venue: Assessment
Publisher: SAGE Publications
Published: 2018-09-09
Volume: 27
Issue: 8
Pages: 1810-1820
ISSN: 1073-1911 (ISSN-L)
1552-3489
DOI: 10.1177/1073191118796558
OpenAlex: W2891165297
Cited by: 22
References: 57
Citations by year: 2026: 1 · 2025: 7 · 2024: 3 · 2023: 2 · 2022: 4 · 2021: 3 · 2020: 2
FWCI: 1.47
Type: journal article
Language: en
Open access: closed
Licence: journals.sagepub.com/page/policies/text-and-data-mining-license (tdm)
Locations: Assessment (publishedVersion)
PubMed (publishedVersion)
ResearchOnline (Glasgow Caledonian University) (acceptedVersion)
ResearchOnline (submittedVersion)
Funders: Magyar Tudományos Akadémia (K111938)
Topics: Social Sciences › Psychology › Clinical Psychology › Mindfulness and Compassion Interventions
Social Sciences › Decision Sciences › Management Science and Operations Research › Psychometric Methodologies and Testing
Social Sciences › Psychology › Experimental and Cognitive Psychology › Anxiety, Depression, Psychometrics, Treatment, Cognitive Processes
Keywords: psychological inflexibility, children and adolescents, factor structure, psychometric validation, measurement invariance, age differences, neuroticism, externalizing problems, internalizing problems, life satisfaction, Hungarian youth
MeSH terms: Adolescent, Affective Symptoms, Child, Emotions, Female, Humans, Hungary, Psychometrics, Surveys and Questionnaires, Reproducibility of Results

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Measuring Psychological Inflexibility in Children and Adolescents: Evaluating the Avoidance and Fusion Questionnaire for Youth

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