With the need for larger and larger banks of items to support adaptive testing and to meet security concerns, large-scale item generation is a requirement for many certification and licensure programs. As part of the mass production of items, it is critical that the difficulty and the discrimination of the items be known without the need for…

The study aimed at constructing, validating, and testing two instruments, one of which measured attitude change toward Civil Defense adult education, and one which measured level of knowledge about Civil Defense practices; and evaluating the effectiveness of the Personal and Family Survival (PFS) Course in terms of attitude change and knowledge…

A replicable process for improving instruction through the consistent use of student data collected before, during, and after instruction is proposed. A rational analysis of different types of error rates (theoretical, base, posttest, instructional) and discrimination indices (base, posttest) leads to a set of rules for identifying test items and…