Background/Objectives: Sex differences in adult attention-deficit/hyperactivity disorder (ADHD) remain insufficiently characterized, particularly in clinically referred samples assessed through multidimensional and multi-informant approaches. This study investigated sex differences in clinical presentation, psychiatric comorbidity, psychometric features, and ADHD severity in adults with ADHD, with a specific focus on emotional dysregulation and rating-source effects. Methods: A total of 212…
