A new method of testing semantic differential scales for bipolarity is developed, using a new conceptualization of bipolarity that does not require unidimensionality. Using 63 subjects and multidimensional scaling (MDS) procedures, the investigation assessed Fiedler's Least Preferred Coworker (LPC) instrument and revealed it to suffer significant departures from bipolarity in 9 of 10 tested bipolar pairs. Future research implications are discussed.
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