“…The affect scores of anxiety and hostility are very sensitive to many conditions, for example, the passage of time (see the generalizability studies of Gottschalk and Gleser, 1969, pp. 59-67); phases of the menstrual cycle (Gottschalk et al, 1962;Ivey and Bardwick, 1968;Sflbergeld et al, 1971); increases in serum dopamine beta-hydroxylase (Sflbergeld et al, 1975); different interviewers (Gottschalk and Gteser, 1969;Gottschalk, 1971;Schofer et al, 1978); various psychoactive drugs, such as perphenazine (Gottschalk et aL, 1960), amytal (Ross et al, 1963), chlordiazepoxide (Gleser et al, 1965;Gottschalk and Kaplan, 1972), and lorazepam (Gottschalk et al, 1972a); sex (Gottschalk and Gleser, 1969); and aging (Gottschalk and Gleser, 1969).…”