Caleb Stanley, left, a doctoral student in behavior analysis and therapy from Walnut, Miss., offers Faith Teckenbrock, 4, an “Arthur” doll Feb. 15 in a therapy room of the Language and Cognition Development Clinic in Rehn Hall. During therapy sessions, clients complete tasks such as pointing to symmetrical shapes on a page. Once a group of tasks is completed, the clinician facilitates play with the client. Karl Gunnarsson, a doctoral student in behavior analysis and therapy from Iceland, said the in between playtime helps keep young clients engaged.