Scale	Number of items	Format	Content
Copeland Symptom Checklist for Adult ADHD	63	3-point severity rating scale	Broad range of cognitive, emotional and social symptoms
Wender Utah Rating Scale	61	5-point severity rating scale	Retrospective rating of childhood ADHD symptoms
Brown Adult Attention Deficit Disorder Scale	40	4-point frequency rating scale	Cognitive symptoms associated with difficulty initiating and maintaining optimal arousal level