• Predictive validity of attention-deficit/hyperactivity disorder from ages 3 to 5 Years 

      Øvergaard, Kristin Romvig; Ørbeck, Beate; Friis, Svein; Pripp, Are Hugo; Aase, Heidi; Zeiner, Pål (Peer reviewed; Journal article, 2021)
      We investigated to what extent parent-rated attention-deficit/hyperactivity disorder (ADHD) and impairment at age 3 years predicted elevated ADHD symptoms at age 5 years, and whether teacher-rated ADHD symptoms improved ...