title: Toward a functional approach to learned performance.
authors.affiliation: Western Carolina Center, Morganton 28655.
authors.forename: E A
authors.initials: EA
authors.lastname: Konarski
mesh_terms: D000293:Adolescent; D001521:Behavior Therapy / Q000379:methods*; D002648:Child; D004495:Education of Persons with Intellectual Disabilities; D006801:Humans; D008607:Intellectual Disability / Q000523:psychology; D009042:Motivation; D012054:Reinforcement, Psychology