UNRESOLVED ISSUES IN THE DIMENSIONALITY OF THE MYERS-BRIGGS TYPE INDICATOR

The Myers-Briggs Type Indicator (MBTI) has achieved widespread use in organizational settings, despite the fact that research on its dimensi onality has been scarce and that some studies have questioned the vali dity of its four-factor scoring system. Confirmatory factor analyses o f 94 MBTI items (N = 1,091) were performed, the results of which provi ded qualified support for the four-factor model; the qualifications ar ose from the fact that model-fit indexes for even the best-fitting mod els were considerably below their maximum desirable values. In an atte mpt to identify areas in which model fit could be improved, explorator y factor analyses were also conducted; these analyses strongly support ed a four-factor view of the MBTI and indicated several additional fac tor loadings that could be freed to improve model fit.