The purpose of this study was to help determine optimum item sampling plans for use in school evaluation projects. (Author)

These results indicate that in deciding on the data-gathering design to be used in seeking norm information, attention should be given to item characteristics and test length with particular attention paid to the range of biserial correlations between item response and ability. (Author)

Using a computer-based Monte Carlo approach to generate item responses, the results of this study indicate that, when item discrimination indices are considered, item-examinee sampling procedures having the same number of observations have different standard errors in estimating both test mean and test variance. With certain types of tests, a…

Demands for more complete information on educational programs have emanated from national, state and local sources. Their focus is on the processes that are occurring in individual classrooms. The information that is collected to provide insight into educational programs is customarily summative in nature, answering, for example, questions…