Clinically Relevant Behavior (CRB)
Here's your citation in American Psychological Association (APA) format:
Clinically Relevant Behavior (CRB). (n.d.). In Alleydog.com's online glossary. Retrieved from: https://www.alleydog.com/glossary/definition-cit.php?term=Clinically+Relevant+Behavior+%28CRB%29