Journal of affective disorders · 2016
International development and psychometric properties of the Child and Adolescent Trauma Screen (CATS).
СтатьяВалидационное исследованиеНазвание и аннотация: Перевод в очереди
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Sachser Cedric, Berliner Lucy, Holt Tonje, Jensen Tine K, Jungbluth Nathaniel, Risch Elizabeth, Rosner Rita, Goldbeck Lutz
Аннотация
BACKGROUND: Systematic screening is a powerful means by which children and adolescents with posttraumatic stress symptoms (PTSS) can be detected. Reliable and valid measures based on current diagnostic criteria are needed.
AIM: To investigate the internal consistency and construct validity of the Child and Adolescent Trauma Screen (CATS) in three samples of trauma-exposed children in the US (self-reports: n=249; caregiver reports: n=267; pre-school n=190), in Germany (self-reports: n=117; caregiver reports: n=95) and in Norway (self-reports: n=109; caregiver reports: n=62).
METHOD: Internal consistency was calculated using Cronbach's α. Convergent-discriminant validity was investigated using bivariate correlation coefficients with measures of depression, anxiety and externalizing symptoms. CFA was used to investigate the DSM-5 factor structure.
RESULTS: In all three language samples the 20 item symptom score of the self-report and the caregiver report proved good to excellent reliability with α ranging between .88 and .94. The convergent-discriminant validity pattern showed medium to strong correlations with measures of depression (r =.62-.82) and anxiety (r =.40-.77) and low to medium correlations with externalizing symptoms (r =-.15-.43) within informants in all language versions. Using CFA the underlying DSM-5 factor structure with four symptom clusters (re-experiencing, avoidance, negative alterations in mood and cognitions, hyperarousal) was supported (n =475 for self-report; n =424 for caregiver reports).
LIMITATIONS: The external validation of the CATS with a DSM-5 based semi-structured clinical interview and corresponding determination of cut-points is pending.
CONCLUSION: The CATS has satisfactory psychometric properties. Clinicians may consider the CATS as a screening tool and for symptom monitoring.
AIM: To investigate the internal consistency and construct validity of the Child and Adolescent Trauma Screen (CATS) in three samples of trauma-exposed children in the US (self-reports: n=249; caregiver reports: n=267; pre-school n=190), in Germany (self-reports: n=117; caregiver reports: n=95) and in Norway (self-reports: n=109; caregiver reports: n=62).
METHOD: Internal consistency was calculated using Cronbach's α. Convergent-discriminant validity was investigated using bivariate correlation coefficients with measures of depression, anxiety and externalizing symptoms. CFA was used to investigate the DSM-5 factor structure.
RESULTS: In all three language samples the 20 item symptom score of the self-report and the caregiver report proved good to excellent reliability with α ranging between .88 and .94. The convergent-discriminant validity pattern showed medium to strong correlations with measures of depression (r =.62-.82) and anxiety (r =.40-.77) and low to medium correlations with externalizing symptoms (r =-.15-.43) within informants in all language versions. Using CFA the underlying DSM-5 factor structure with four symptom clusters (re-experiencing, avoidance, negative alterations in mood and cognitions, hyperarousal) was supported (n =475 for self-report; n =424 for caregiver reports).
LIMITATIONS: The external validation of the CATS with a DSM-5 based semi-structured clinical interview and corresponding determination of cut-points is pending.
CONCLUSION: The CATS has satisfactory psychometric properties. Clinicians may consider the CATS as a screening tool and for symptom monitoring.