The CERT—Psych/R identifies, defines and evaluates behaviors relevant to a person's ability to successfully integrate into society using social interaction skills. One of the most widely used assessments in the field of recreational therapy, this 25-question test takes just 5 minutes to score after observing a patient in a group activity. Each assessment sheet can be used up to 10 times with a single patient. Interrater reliability tested. Agreement between therapists for 38 clients ranged from 67% to 100% and averaged 91%.