EDUCATIONAL AND PSYCHOLOGICAL MEASUREMENT 1969, 29, 583-604. DESIRABILITY judgments of trait-descriptive items have been collected by several investigators for a variety of reasons. One such aim is to obtain item indices to be used in the construction of forced-choice tests (e.g. have called attention to the multidimensionality of the social desirability concept, or alternatively, to systematic individual differences in desirability judgments. In view of the diverse and widespread use that is made of these judgments, it is of interest to know whether sources other than differences between items and between individuals, together with their interaction, are influential. The present study represents an extensive search for method variance in desirability judgments of traits. Specifically, position and