Subjects responded to a set of self-descriptive bipolar
adjectives in either a dichotomous format or a
7-point bipolar rating scale format. In addition, each
subject answered a measure of social desirability responding
rate The responses of over 400 subjects in
each format were factor analyzed, followed by a varimax
rotation The factor structure for the formats were
strikingly similar and closely reflected the traits represented
by the adjectives. Social desirability was found
to be of minimal influence for either format. However,
the factors derived from the multipoint format were
slightly clearer and accounted for more variance. In
addition, trait measures produced by the sum of four
adjective scales from a common content dimension
were more internally consistent using the multipoint
King, Lynda A, King, Daniel W & Klockars, Alan J. (1983). Dichotomous and multipoint scales using bipolar adjectives. Applied Psychological Measurement, 7, 173-180. doi:10.1177/014662168300700205
King, Lynda A.; King, Daniel W.; Klockars, Alan J..
Dichotomous and multipoint scales using bipolar adjectives.
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