Psychometric properties of the Portuguese version of the Acceptance and Action Questionnaire-Trauma Specific (AAQ-TS): A study with Portuguese Colonial War Veterans

José Pinto-Gouveia; Teresa Carvalho; Marina Cunha; Joana Duarte; Robyn D. Walser

doi:10.1016/j.jad.2015.06.023

Psychometric properties of the Portuguese version of the Acceptance and Action Questionnaire-Trauma Specific (AAQ-TS): A study with Portuguese Colonial War Veterans

José Pinto-Gouveia, Teresa Carvalho, Marina Cunha, Joana Duarte, Robyn D. Walser

Research output: Contribution to journal › Article › peer-review

Abstract

Abstract Background: The Acceptance and Action Questionnaire-Trauma Specific (AAQ-TS) is a self-report measure designed to assess-trauma-related psychological (in)flexibility, as conceptualized in Acceptance and Commitment Therapy. However, there are no studies to date regarding its psychometric properties. This study explores such properties in the Portuguese version of the AAQ-TS, in Portuguese Colonial War Veterans. Method: A Principal Components Analysis (PCA) was conducted in a sample from the general population of war Veterans (N=371). Confirmatory Factor Analysis (CFA) as well as reliability and convergent validity studies were performed in a different sample from the same population (N=312). For the discriminant validity a clinical sample with a war-related PTSD (N=42) and a non-clinical sample without PTSD (N=44) were used. Results: The CFA suggested a re-specified 15-item model with good global adjustment and factorial validity. The AAQ-TS showed internal consistency, a good temporal reliability, convergent validity with psychopathological symptoms (related to PTSD, anxiety, depression and stress) and peritraumatic dissociation (altered awareness and depersonalization/derealization). The questionnaire also discriminates between war Veterans with and without a PTSD diagnosis. Limitations: The major limitation relates to the samples' characteristics and sampling methods, which can limit the generalization of results. Conclusion: The Portuguese version of the AAQ-TS is a reliable and valid measure to assess experiential avoidance related to trauma in Portuguese Colonial War Veterans.

Original language	English
Article number	7529
Pages (from-to)	81-89
Number of pages	9
Journal	Journal of Affective Disorders
Volume	185
DOIs	https://doi.org/10.1016/j.jad.2015.06.023
Publication status	Published - 2015 Jul 6
Externally published	Yes

Bibliographical note

Funding Information:
This research was supported by the second author's Ph.D. Grant ( SFRH/BD/68452/2010 ), sponsored by FCT (Foundation for Science and Technology) , Portugal, and co-sponsored by ESF (European Social Fund) , Belgium, through Portuguese POPH (Human Potential Operational Program).

Funding Information:
This research was supported by second author's Ph.D grant (SFRH/BD/68452/2010), sponsored by FCT (Fundation for Science and Technology), Portugal, and co-sponsored by ESF (European Social Fund), Belgium, through the Portuguese POPH (Human Potential Operational Program)

Subject classification (UKÄ)

Psychology

Free keywords

AAQ-TS
Experiential avoidance
Portuguese Colonial War Veterans
Psychological flexibility
Trauma

Access to Document

10.1016/j.jad.2015.06.023

Cite this

@article{d9d533e8985f4cecbb44055e341686e1,

title = "Psychometric properties of the Portuguese version of the Acceptance and Action Questionnaire-Trauma Specific (AAQ-TS): A study with Portuguese Colonial War Veterans",

abstract = "Abstract Background: The Acceptance and Action Questionnaire-Trauma Specific (AAQ-TS) is a self-report measure designed to assess-trauma-related psychological (in)flexibility, as conceptualized in Acceptance and Commitment Therapy. However, there are no studies to date regarding its psychometric properties. This study explores such properties in the Portuguese version of the AAQ-TS, in Portuguese Colonial War Veterans. Method: A Principal Components Analysis (PCA) was conducted in a sample from the general population of war Veterans (N=371). Confirmatory Factor Analysis (CFA) as well as reliability and convergent validity studies were performed in a different sample from the same population (N=312). For the discriminant validity a clinical sample with a war-related PTSD (N=42) and a non-clinical sample without PTSD (N=44) were used. Results: The CFA suggested a re-specified 15-item model with good global adjustment and factorial validity. The AAQ-TS showed internal consistency, a good temporal reliability, convergent validity with psychopathological symptoms (related to PTSD, anxiety, depression and stress) and peritraumatic dissociation (altered awareness and depersonalization/derealization). The questionnaire also discriminates between war Veterans with and without a PTSD diagnosis. Limitations: The major limitation relates to the samples' characteristics and sampling methods, which can limit the generalization of results. Conclusion: The Portuguese version of the AAQ-TS is a reliable and valid measure to assess experiential avoidance related to trauma in Portuguese Colonial War Veterans.",

keywords = "AAQ-TS, Experiential avoidance, Portuguese Colonial War Veterans, Psychological flexibility, Trauma",

author = "Jos{\'e} Pinto-Gouveia and Teresa Carvalho and Marina Cunha and Joana Duarte and Walser, {Robyn D.}",

note = "Funding Information: This research was supported by the second author's Ph.D. Grant ( SFRH/BD/68452/2010 ), sponsored by FCT (Foundation for Science and Technology) , Portugal, and co-sponsored by ESF (European Social Fund) , Belgium, through Portuguese POPH (Human Potential Operational Program). Funding Information: This research was supported by second author's Ph.D grant (SFRH/BD/68452/2010), sponsored by FCT (Fundation for Science and Technology), Portugal, and co-sponsored by ESF (European Social Fund), Belgium, through the Portuguese POPH (Human Potential Operational Program) ",

year = "2015",

month = jul,

day = "6",

doi = "10.1016/j.jad.2015.06.023",

language = "English",

volume = "185",

pages = "81--89",

journal = "Journal of Affective Disorders",

issn = "0165-0327",

publisher = "Elsevier",

}

Psychometric properties of the Portuguese version of the Acceptance and Action Questionnaire-Trauma Specific (AAQ-TS): A study with Portuguese Colonial War Veterans. / Pinto-Gouveia, José; Carvalho, Teresa; Cunha, Marina et al.
In: Journal of Affective Disorders, Vol. 185, 7529, 06.07.2015, p. 81-89.

Research output: Contribution to journal › Article › peer-review

TY - JOUR

T1 - Psychometric properties of the Portuguese version of the Acceptance and Action Questionnaire-Trauma Specific (AAQ-TS)

T2 - A study with Portuguese Colonial War Veterans

AU - Pinto-Gouveia, José

AU - Carvalho, Teresa

AU - Cunha, Marina

AU - Duarte, Joana

AU - Walser, Robyn D.

N1 - Funding Information: This research was supported by the second author's Ph.D. Grant ( SFRH/BD/68452/2010 ), sponsored by FCT (Foundation for Science and Technology) , Portugal, and co-sponsored by ESF (European Social Fund) , Belgium, through Portuguese POPH (Human Potential Operational Program). Funding Information: This research was supported by second author's Ph.D grant (SFRH/BD/68452/2010), sponsored by FCT (Fundation for Science and Technology), Portugal, and co-sponsored by ESF (European Social Fund), Belgium, through the Portuguese POPH (Human Potential Operational Program)

PY - 2015/7/6

Y1 - 2015/7/6

N2 - Abstract Background: The Acceptance and Action Questionnaire-Trauma Specific (AAQ-TS) is a self-report measure designed to assess-trauma-related psychological (in)flexibility, as conceptualized in Acceptance and Commitment Therapy. However, there are no studies to date regarding its psychometric properties. This study explores such properties in the Portuguese version of the AAQ-TS, in Portuguese Colonial War Veterans. Method: A Principal Components Analysis (PCA) was conducted in a sample from the general population of war Veterans (N=371). Confirmatory Factor Analysis (CFA) as well as reliability and convergent validity studies were performed in a different sample from the same population (N=312). For the discriminant validity a clinical sample with a war-related PTSD (N=42) and a non-clinical sample without PTSD (N=44) were used. Results: The CFA suggested a re-specified 15-item model with good global adjustment and factorial validity. The AAQ-TS showed internal consistency, a good temporal reliability, convergent validity with psychopathological symptoms (related to PTSD, anxiety, depression and stress) and peritraumatic dissociation (altered awareness and depersonalization/derealization). The questionnaire also discriminates between war Veterans with and without a PTSD diagnosis. Limitations: The major limitation relates to the samples' characteristics and sampling methods, which can limit the generalization of results. Conclusion: The Portuguese version of the AAQ-TS is a reliable and valid measure to assess experiential avoidance related to trauma in Portuguese Colonial War Veterans.

AB - Abstract Background: The Acceptance and Action Questionnaire-Trauma Specific (AAQ-TS) is a self-report measure designed to assess-trauma-related psychological (in)flexibility, as conceptualized in Acceptance and Commitment Therapy. However, there are no studies to date regarding its psychometric properties. This study explores such properties in the Portuguese version of the AAQ-TS, in Portuguese Colonial War Veterans. Method: A Principal Components Analysis (PCA) was conducted in a sample from the general population of war Veterans (N=371). Confirmatory Factor Analysis (CFA) as well as reliability and convergent validity studies were performed in a different sample from the same population (N=312). For the discriminant validity a clinical sample with a war-related PTSD (N=42) and a non-clinical sample without PTSD (N=44) were used. Results: The CFA suggested a re-specified 15-item model with good global adjustment and factorial validity. The AAQ-TS showed internal consistency, a good temporal reliability, convergent validity with psychopathological symptoms (related to PTSD, anxiety, depression and stress) and peritraumatic dissociation (altered awareness and depersonalization/derealization). The questionnaire also discriminates between war Veterans with and without a PTSD diagnosis. Limitations: The major limitation relates to the samples' characteristics and sampling methods, which can limit the generalization of results. Conclusion: The Portuguese version of the AAQ-TS is a reliable and valid measure to assess experiential avoidance related to trauma in Portuguese Colonial War Veterans.

KW - AAQ-TS

KW - Experiential avoidance

KW - Portuguese Colonial War Veterans

KW - Psychological flexibility

KW - Trauma

U2 - 10.1016/j.jad.2015.06.023

DO - 10.1016/j.jad.2015.06.023

M3 - Article

C2 - 26148464

AN - SCOPUS:84934763121

SN - 0165-0327

VL - 185

SP - 81

EP - 89

JO - Journal of Affective Disorders

JF - Journal of Affective Disorders

M1 - 7529

ER -

Psychometric properties of the Portuguese version of the Acceptance and Action Questionnaire-Trauma Specific (AAQ-TS): A study with Portuguese Colonial War Veterans

Abstract

Bibliographical note

Subject classification (UKÄ)

Free keywords

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Cite this