Objective: Because there have been a few studies on the prevalence of ADHD in Iran, assessment of its prevalence seems to have a great impact on the physicians approach toward its diagnosis and management. Method: This study listed all the schools in Mashhad and chose 12, including 24 classes and 714 students by stratified cluster sampling. A…

Objective: The aim of this study was to investigate the associations between children's difficulties (conduct problems, hyperactivity/impulsivity, and emotional symptoms) and peer victimization and rejection in kindergarten. For the assessment of children's difficulties, the authors used a multi-informant approach. Method: A total of 153…