Item response theory (IRT) and related latent variable models represent modern psychometric theory, the successor to classical test theory in psychological assessment. Although IRT has become prevalent in the measurement of ability and achievement, its contributions to clinical domains have been less extensive. Applications of IRT to clinical…

It is commonly proposed that educational and psychological assessments consist of a multifaceted procedure that incorporates scores from a variety of tests and resources. Little guidance has been offered regarding the method for selecting a combination of testing instruments used in an evaluation. The problem of test selection is discussed in the…

The data collected in higher education research are not always quantitative or continuous. Statistical methods using the log-linear model provide the institutional researcher with a powerful set of tools for addressing research questions when data are categorical. (Author/MSE)

Regression analysis is one of the most frequently used statistical techniques in institutional research. Principles of least squares, model building, residual analysis, influence statistics, and multi-collinearity are described and illustrated. (Author/MSE)

Path analysis and linear structural relations (LISREL) provide the institutional researcher with some extremely powerful statistical tools. However, they must be applied and interpreted carefully with a full understanding of their limitations and the statistical assumptions on which they are based. (Author)

Three papers are included in this document. The first, "An Introduction to the Problem of Test User Qualifications," by Kevin L. Moreland, is a short history of the American Psychological Association (APA)/American Educational Research Association (AERA)/National Council on Measurement in Education (NCME) Working Group on Test User…

In 1992, the Leon County School District in Tallahassee (Florida) began a review process to select a new norm-referenced test. The selection process was efficient and functional, and may be of interest to other school districts. Consideration was given to a variety of sources through the following process steps: (1) establish the norm-referenced…

Kindergarten pupils enrolled in Elementary and Secondary Education Act Title I schools were selected for the Kindergarten Extended Day (KED) Program if they showed marked underachievement on the Cooperative Preschool Inventory (CPI). KED students attended kindergarten for an additional half day. Since previous evaluations of KED may have had…

When selecting standardized reading tests for purposes of decision making, the school psychologist must answer several questions, such as "What reading skills do I wish to assess?" or "How do I judge if the test is technically adequate?" Recommendations for test selection are made within the context of these questions.…