“…Second, both long-ratio schedules and extinction are known to produce aggressive behavior (Azrin, Hutchinson, & Hake, 1966;Gallup, 1965, Knutson, 1970 and escape behavior (Adelman & Maatsch, 1956;Azrin, 1961;Thompson, 1964Thompson, , 1965, and these behaviors have been attributed to either the frustrative nonreward or emotionality present in both cases. Third, increasing ratio requirements systematically increases aggressive behavior (e.g., Cherek & Pickens, 1970) and self-imposed extinction (Azrin, 1961), implicating again some degree and kind of emotionality associated with the higher ratio requirements.…”