Confirmatory factor analysis and factorial invariance analysis of the adolescent self-report Strengths and Difficulties Questionnaire: How important are method effects and minor factors?

2011 ◽  
Vol 50 (2) ◽  
pp. 127-144 ◽  
Author(s):  
Petra M. van de Looij-Jansen ◽  
Arnold W. Goedhart ◽  
Erik J. de Wilde ◽  
Philip D. A. Treffers
2008 ◽  
Vol 24 (1) ◽  
pp. 43-48 ◽  
Author(s):  
Andrew Percy ◽  
Patrick McCrystal ◽  
Kathryn Higgins

Abstract. The Strengths and Difficulties Questionnaire (SDQ) is a widely used 25-item screening test for emotional and behavioral problems in children and adolescents. This study attempted to critically examine the factor structure of the adolescent self-report version. As part of an ongoing longitudinal cohort study, a total of 3,753 pupils completed the SDQ when aged 12. Both three- and five-factor exploratory factor analysis models were estimated. A number of deviations from the hypothesized SDQ structure were observed, including a lack of unidimensionality within particular subscales, cross-loadings, and items failing to load on any factor. Model fit of the confirmatory factor analysis model was modest, providing limited support for the hypothesized five-component structure. The analyses suggested a number of weaknesses within the component structure of the self-report SDQ, particularly in relation to the reverse-coded items.


2008 ◽  
Vol 24 (1) ◽  
pp. 1-8 ◽  
Author(s):  
Mathieu d'Acremont ◽  
Martial Van der Linden

Abstract. The Strengths and Difficulties Questionnaire (SDQ) assesses adaptive and problematic behavior in children and adolescents ( Goodman, 1997 ). The aim of this study was to test the construct validity of a French translation of the scale. Teachers completed the SDQ for their pupils (279 girls and 278 boys, 13-18 years). Confirmatory factor analysis (CFA) of the SDQ supported the original distinction between Conduct problems, Hyperactivity/Inattention, Peer problems, Emotional symptoms, and Prosocial behavior. Multigroup CFA revealed invariance of factor measurement across gender. In addition, boys had higher factor scores for Conduct problems, Hyperactivity/Inattention, and Peer problems whereas girls were more Prosocial. The internal reliability of the subscales ranges from acceptable to very good. These results indicate that the French version of the SDQ has a reliable factor organization among adolescent boys and girls.


Assessment ◽  
2021 ◽  
pp. 107319112110139
Author(s):  
Samuel R. Cares ◽  
Johanna A. Younce ◽  
Katie H. Mangen ◽  
Jessica R. Winder ◽  
Thomas A. Fergus ◽  
...  

The issue of race within the context of psychological assessment is important, but often overlooked. Many self-report measures of psychopathology have been developed and validated using primarily White samples. Research regarding the Penn State Worry Questionnaire (PSWQ) and race has produced mixed results, which in turn may present challenges when comparing scores across racial groups. The current article sought to investigate the measurement invariance of the PSWQ and PSWQ-A (an abbreviated version) across four racial groups (White, Black, Asian, and Hispanic) in a sample of 2,489 undergraduate students. Confirmatory factor analysis of a one-factor structure illustrated poor fit across all racial groups for the full-length PSWQ. Two-factor and one-factor with method effects models of the full-length PSWQ each improved on the previous model fit, although the one-factor method effects model was limited by nonsalient factor loadings. Additionally, a separate confirmatory factor analysis indicated good fit for the PSWQ-A. Further analysis of the PSWQ-A suggested measurement invariance across all racial groups, as well as configural, metric, and scalar invariance. These findings advance the literature on the relationship between worry and race, suggesting that direct comparisons on the PSWQ-A between racial groups is appropriate.


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