Provides and illustrates a method to compute the expected number of misclassifications of examinees using three-parameter item response theory and two state classifications (mastery or nonmastery). The method uses the standard error and the expected examinee ability distribution. (SLD)

Defines grade level as an age grouping that yields an achievement distribution approximating a normal curve, with the distribution average at grade level in a typical school. With an average teacher, an average child gains a year. Educators must accept this normal range of reading achievement and adjust instruction to it. Includes eight…

A method of item pool design is proposed that uses an optimal blueprint for the item pool calculated from the test specifications. The blueprint is a document that specifies the attributes that the items in the computerized adaptive test (CAT) pool should have. The blueprint can be a starting point for the item writing process, and it can be used…