“…Throughout the study, the person who administrated the medications, the rater, and the patients along with their parents were blind to group assignments. The principal measure of outcome was the Parent and Teacher ADHD-Rating Scale-IV that has been used extensively in Iran in school-age children and provides valid measures of behavioral abnormality and attention (Akhondzadeh et al, 2003(Akhondzadeh et al, , 2004Amiri et al, 2008;Kahbazi et al, 2009;Salehi et al, 2010). ADHD-RS-IV is an instrument that assesses the 18 symptoms of ADHD as defined in the DSM-IV-TR according to a 4-point Likert scale.…”