SOME recent findings indicated that a simple personality scale could be used to predict response to a mild tranquilizer and a placebo.^1,2 The present paper concerns a replication and extension of the drug-personality interaction findings.

The personality variable was measured by an abbreviated Bass Social Acquiescence Scale.³ Scores on the scale indicate degree of agreement with 35 trite generalizations or truisms. A report by Schutz and Foster⁴ and unpublished work by this laboratory suggest that the scale does not measure behavioral conformity or social acquiescence as purported. The same researchers found no more than a mild-to-moderate relation to the acquiescent or "yea-saying" response set measured by the Minnesota Multiphasic Personality Inventory (MMPI) and similar tests.⁵ Therefore, even though we labeled our experimental groups as High Acquiescers (HA) and Low Acquiescers (LA) on the basis of Bass scores, we prefer at this time