This project investigates the criterion and structural validity of the recent published abbreviated version of the Conformity to Masculine Norms Inventory (Mahalik et al., 2003, Levant et al., 2020).

Although raising the age of onset criterion in DSM-5 from 7 to 12 generated an increase in the prevalence of all subtypes of ADHD, the greatest increase was found for inattention, which tends to have ...