“…PB, however, takes the position that the term repertoire constitutes a basic concept that is central in theory and research construction. (An early project involved the definition of the verbal response class, see Staats, Staats, & Finley, 1966;Staats, Staats, & Minke, 1966). This position grew out of PB's systematic research in three areas-on language behavior, emotions, and sensory-motor behavior.…”