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Validation and Reliability of the Depression Anxiety Stress Scale for Youth (DASS-Y) Indonesian Version
Andra Kurnianto1,2, Meita Dhamayanti1, Rodman Tarigan1
1Department of Child Health, Faculty of Medicine, Universitas Padjadjaran, Bandung, Indonesia.
Background:
The Depression Anxiety Stress Scale for Youth (DASS-Y) is a psychometric tool designed to assess internalizing problems, including depression, anxiety, and stress in adolescents. This study evaluated the validity and reliability of the Indonesian version of the DASS-Y.
Methods:
Using a mixed-methods approach with an exploratory sequential design, the DASS-Y was translated into Bahasa Indonesia through forward-backward translation and administered to 31 adolescents for the cognitive debriefing. The Rasch model was applied to assess psychometric properties in 355 adolescents.
Results:
The Indonesian version of the DASS-Y indicated good-to-excellent reliability for the total scale (Cronbach's α = 0.94, item reliability = 0.98, person reliability = 0.84) and robust construct validity (explained variance = 50.1%, unexplained variance = 6.4%). No misfitting items were identified (infit = 0.78-1.41, outfit = 0.61-1.96, point-measure correlation = 0.47-0.72). Differential item functioning (DIF) analysis revealed minimal bias across demographic factors.
Conclusion:
The Indonesian DASS-Y is a valid and reliable instrument for assessing internalizing problems in Indonesian adolescents aged 10-18 years.
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