Psychometric Properties of Depression Anxiety Stress Scale 21-item (DASS-21) Malay Version among a Big Sample Population

Establishing the psychometric properties of a measurement tool is paramount in order to determine the validity of any study results. The Depression Anxiety Stress Scale (DASS)-21 has preliminary evidence of a good tool in Malaysia. This study among a very big sample size would further strengthen this evidence. Objectives: To validate the DASS-21 Malay version among 367, 860 completed online assessment by looking at its Exploratory Factor...