A psychometric assessment of the bipolarity of constructs in Repertory
Grid data
Richard Bell
Dept. of Psychology, University of Melbourne, Melbourne (Australia)
Abstract
There has been long controversy over whether constructs should be considered
as bipolar or unipolar in line with the dichotomy corollary of Personal
Construct Theory. In the present study this is shown to correspond an issue
about the nature of the data in a repertory grid. Unipolar constructs imply
dominance data, whereas bipolar constructs imply similarity data. Different
models exist for these two kinds of data, and where common constructs are
used in a sample of people for common elements this may be tested.
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