I have chosen the Adult Scale of Hostility and Aggression: Reactive/Proactive (A-SHARP) to further examine for reliability and validity. The A-SHARP instrument was developed to measure verbal aggression, physical and covert aggression, hostile affect and bullying behaviors exhibited by adults diagnoses with an intellectual disorder. The instrument uses a question and answer format that seeks to identify behaviors exhibited by the individual, the frequency of the occurrence and whether or not the individual was provoked to respond to the identified stimuli. “Problem levels of aggression among people with intellectual and other developmental disabilities (IDD) can occur frequently. Therefore, it is important to have valid and reliable measurement
