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Administered 16 visual analog scales to 8 normal Ss to test the validity of the scales in measuring drug effects; Ss received 150 mg of butobarbitone sodium, 15 and 30 mg of flurazepam, and a placebo. Results indicate that (a) there were no significant effects on Factor 1 (Alertness), but there was a tendency for Ss to rate themselves as more alert after placebo;(b) there was a significant Drug* Times interaction effect on Factor 2 (Contentedness); and (c) Factor 3 (Calmness) also showed a significant Drug* Times interaction effect which was caused by the anti-anxiety effect of flurazepam.(15 ref)(PsycINFO Database Record (c) 2016 APA, all rights reserved)