“…Seligman (1975) and Maier and Seligman (1976) have claimed that uncontrollability in appetitive situations may also cause interference effects. At present, interference effects arising from response-independent food have been reported in many studies (e.g., Calef et al, 1989;Calef, Murray, Modlin, Meekins, & Geller, 1981;Goodkin, 1976;Job, 1987Job, , 1988Job, , 1989Oakes, Rosenblum, & Fox, 1982), but some investigators have failed to report such an effect (Beatty & Maki, 1979;Calefet al, 1984). It is noteworthy that some ofthis research (e.g., Job, 1987;Oakes et al, 1982) has not yielded motivational deficits, but rather associative ones, in discrimination tests.…”