Since ADHD is a matter of clinical diagnosis, occupational proficiency gains utmost importance on behalf of psychologists. The aim of this research is to determine the knowledge level of students on attention deficiency and hyperactivity disorder, who study in different classes of the Psychology Department in Uludağ University. The study is conducted on a total of 151 volunteering students from four different classes in the Psychology Department of Uludağ University. A questionnaire was administered to measure the knowledge level of these students on ADHD, who participated in the research. The points received from the questionnaire that was used to measure the participants’ level of knowledge on ADHD were compared in terms of sex, age...