Fig. 2From: WISC-IV performance of children with Chronic Tic Disorder, Obsessive–Compulsive Disorder and Attention-Deficit/Hyperactivity Disorder: results from a German clinical studyWISC-IV profiles in children with Chronic Tic Disorder (CTD), Obsessive–Compulsive Disorder (OCD) and/or Attention-Deficit/Hyperactivity Disorder (ADHD) compared to the WISC-IV norm sample (N = 1650, M = 100, SD = 15) (significant results from paired t-tests with Bonferroni correction). VCI: Verbal Comprehension Index; PRI: Perceptual Reasoning Index; WMI: Working Memory Index; PSI: Processing Speed Index; FSIQ: Full Scale Intelligence QuotientBack to article page