Development and initial validation of a brief questionnaire on the patients’ view of the in-session realization of the six core components of Acceptance and Commitment Therapy
Author(s) / Creator(s)
Probst, Thomas
Mühlberger, Andreas
Kühner, Johannes
Eifert, Georg H.
Pieh, Christoph
Hackbarth, Timo
Mander, Johannes
Abstract / Description
Background: Assessing in-session processes is important in psychotherapy research. The aim of the present study was to create and evaluate a short questionnaire capturing the patients’ view of the in-session realization of the six core components of Acceptance and Commitment Therapy (ACT). Method: In two studies, psychotherapy patients receiving ACT (Study 1: n = 87) or Cognitive-Behavioral Therapy (CBT) (Study 2, Sample 1: n = 115; Sample 2: n = 156) completed the ACT session questionnaire (ACT-SQ). Therapists were n = 9 ACT therapists (Study 1) and n = 77 CBT trainee therapists (Study 2). Results: Factor structure: Exploratory factor analyses suggested a one-factor solution for the ACT-SQ. Reliability: Cronbach’s alpha of the ACT-SQ was good (Study 1: α = .81; Study 2, Sample 1: α = .84; Sample 2: α = .88). Convergent validity: The ACT-SQ was positively correlated with validated psychotherapeutic change mechanisms (p < .05). Criterion validity: Higher ACT-SQ scores were associated with better treatment outcomes (p < .05). Conclusion: The study provides preliminary evidence for the reliability and validity of the ACT-SQ to assess the in-session realization of the six core components of ACT in the patients’ view. Further validation studies and ACT-SQ versions for therapists and observers are necessary.
Keyword(s)
Acceptance and Commitment Therapy session report reliability validityPersistent Identifier
Date of first publication
2020-09-30
Journal title
Clinical Psychology in Europe
Volume
2
Issue
3
Article number
Article e3115
Publisher
PsychOpen GOLD
Publication status
publishedVersion
Review status
peerReviewed
Is version of
Citation
Probst, T., Mühlberger, A., Kühner, J., Eifert, G. H., Pieh, C., Hackbarth, T., & Mander, J. (2020). Development and initial validation of a brief questionnaire on the patients’ view of the in-session realization of the six core components of Acceptance and Commitment Therapy. Clinical Psychology in Europe, 2(3), Article e3115. https://doi.org/10.32872/cpe.v2i3.3115
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Author(s) / Creator(s)Probst, Thomas
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Author(s) / Creator(s)Mühlberger, Andreas
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Author(s) / Creator(s)Kühner, Johannes
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Author(s) / Creator(s)Eifert, Georg H.
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Author(s) / Creator(s)Pieh, Christoph
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Author(s) / Creator(s)Hackbarth, Timo
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Author(s) / Creator(s)Mander, Johannes
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PsychArchives acquisition timestamp2022-04-14T11:19:33Z
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Made available on2022-04-14T11:19:33Z
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Date of first publication2020-09-30
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Abstract / DescriptionBackground: Assessing in-session processes is important in psychotherapy research. The aim of the present study was to create and evaluate a short questionnaire capturing the patients’ view of the in-session realization of the six core components of Acceptance and Commitment Therapy (ACT). Method: In two studies, psychotherapy patients receiving ACT (Study 1: n = 87) or Cognitive-Behavioral Therapy (CBT) (Study 2, Sample 1: n = 115; Sample 2: n = 156) completed the ACT session questionnaire (ACT-SQ). Therapists were n = 9 ACT therapists (Study 1) and n = 77 CBT trainee therapists (Study 2). Results: Factor structure: Exploratory factor analyses suggested a one-factor solution for the ACT-SQ. Reliability: Cronbach’s alpha of the ACT-SQ was good (Study 1: α = .81; Study 2, Sample 1: α = .84; Sample 2: α = .88). Convergent validity: The ACT-SQ was positively correlated with validated psychotherapeutic change mechanisms (p < .05). Criterion validity: Higher ACT-SQ scores were associated with better treatment outcomes (p < .05). Conclusion: The study provides preliminary evidence for the reliability and validity of the ACT-SQ to assess the in-session realization of the six core components of ACT in the patients’ view. Further validation studies and ACT-SQ versions for therapists and observers are necessary.en_US
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Publication statuspublishedVersion
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Review statuspeerReviewed
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CitationProbst, T., Mühlberger, A., Kühner, J., Eifert, G. H., Pieh, C., Hackbarth, T., & Mander, J. (2020). Development and initial validation of a brief questionnaire on the patients’ view of the in-session realization of the six core components of Acceptance and Commitment Therapy. Clinical Psychology in Europe, 2(3), Article e3115. https://doi.org/10.32872/cpe.v2i3.3115en_US
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ISSN2625-3410
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Persistent Identifierhttps://hdl.handle.net/20.500.12034/5150
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Persistent Identifierhttps://doi.org/10.23668/psycharchives.5754
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Language of contenteng
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PublisherPsychOpen GOLD
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Is version ofhttps://doi.org/10.32872/cpe.v2i3.3115
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Is related tohttps://doi.org/10.23668/psycharchives.3462
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Keyword(s)Acceptance and Commitment Therapyen_US
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Keyword(s)session reporten_US
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Keyword(s)reliabilityen_US
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Keyword(s)validityen_US
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Dewey Decimal Classification number(s)150
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TitleDevelopment and initial validation of a brief questionnaire on the patients’ view of the in-session realization of the six core components of Acceptance and Commitment Therapyen_US
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DRO typearticle
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Article numberArticle e3115
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Issue3
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Journal titleClinical Psychology in Europe
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Volume2
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Visible tag(s)Version of Recorden_US