This study examined the psychometric properties and measurement invariance of the 6-item Adult ADHD Self-Report Scale Screener (ASRS-6) in a sample of 753 Spanish-speaking employed adults in Puerto Rico. Confirmatory factor analyses supported a bifactor model with a dominant general ADHD factor and two weaker specific dimensions (inattention and hyperactivity). The general factor accounted for substantial shared variance (ECV = .520; ω(H) = .724), supporting the use of the total score as the…
