The authors present a continuation and elaboration of their attempt to measure ambivalence and discover predictable factors that influence its fusion. For measurement they used four tests, a questionnaire, the dot-comparision test, a modified thematic apperception test, and the Szondi test. In the first three, the criteria for ambivalence were indecision, doubt, conflicting feelings, or simultaneous opposite attitudes. In the Szondi test, liking and disliking pictures within a category was the criterion. Fifty-three subjects (known to be psychoneurotic or 'borderline') were tested and rated as high, moderate, and low. External variables such as opportunities for object relationships and the character of these relationships were investigated as factors influencing ambivalence. The results suggest 'that a group with severely impaired fusion of ambivalence when compared to a group with less impaired [fusion] would most likely show as part of the