Binomial models for domain-referenced testing are compared, emphasizing the assumptions underlying the beta-binomial model. Advantages and disadvantages are discussed. A proposed item sampling model is presented which takes the effect of guessing into account. (Author/CM)

This paper describes the rationale for the Defining Issues Test (DIT), an objective test of moral judgment which attempts to improve upon three aspects of Kohlberg's research: data collection, categorization of moral judgments (the scoring system), and method of indexing a subject's progress in a developmental sequence. In each case, the way in…

A 15-stage pyramidal test and a 40-item two-stage test were constructed and administered by computer to 111 college undergraduates. The two-stage test was found to utilize a smaller proportion of its potential score range than the pyramidal test. Score distributions for both tests were positively skewed but not significantly different from the…