AbstractSubjects are required to estimate sociability as expressed in questionnaires supposedly completed by different individuals and make a prediction of conduct for each of these individuals. The results are compared to four models: three versions of the individual differences model (IDM) and a dialectical model. Two rudimentary versions of the IDM give the best approximations to results obtained, one for absolute value judgments of sociability, the other for conduct prediction. The conclusion is that the IDM does exist as a model in implicit psychology before becoming a model in learned psychology. The fact that such a model be preponderant in intuitive psychology in spite of its known inadequacies is discussed in terms of self‐fulfilling prophecy in the exercise of powe