“…Intermittent shock effects appear to have no functionally equivalent parallel in reward conditioning (e.g., Franchina, 19,66, 1969a) and exhibit a pattern of results that also distinguishes between aversive (escape) and appetitive (reward) conditioning. Moreover, this variable, which identifies and pinpoints the locus of the aversive drive, has been successfully extended to studies of the motivational properties of such diverse forms of human behavior as nonconformity, altruism, and interpersonal communication (e.g., Seybert & Weiss, 1974;Weiss, Boyer, Lombardo, & Stich, 1973;Weiss, Miller, Steigleder, & Denton, 1977;Weiss, Williams, & Miller 1972).…”