IRCT2013072414136N1 IRCT 2013-09-01 Ferdowsi University of mashhad - Bakhtiar Shabani Varaki Effectiveness of working memory training, Barkley’s parent training program, and combination of these two interventions on improvement of working memory in children with ADHD Effectiveness of working memory training, Barkley’s parent training program, and combination of these two interventions on improvement of working memory in children with ADHD 2011-08-20 anticipated 36 Complete https://irct.ir/trial/13811 interventional Randomization: Randomized, Blinding: Not blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment. N/A Attention-deficit hyperactivity disorders. Intervention 1: 45 min working memory training for 2 session per week. Intervention 2: The parent training program was carried out based on Barkley’s model one session in the per week and for 2 mounths. Intervention 3: 8 individual sessions PT (for Parent) and 8 individual sessions WMT (for child) were conducted.