Automatic ogive scoring rules for the short form of the sentence completion test of ego development

Short forms of the Washington University Sentence Completion Test (SCT) of ego development have been developed for large-scale survey and clinical research. However, automatic scoring rules based on the ogive scoring algorithm unique to the ego development model are not available. This article presents and tests the accuracy of automatic ogive scoring rules for the 12-stem SCT in a sample of middle-aged women (N = 87) who were participating in a longitudinal study of personality development. Results indicated that Total Protocol Ratings (TPR) of ego development for 12-stems computed with the scoring rules presented in this study correlated highly with TPR for 36-stems (r = .92). No stage of ego development was misrepresented selectively by the short form. The short form and the scoring rules presented here may provide a useful estimate of ego development for clinical research.