Test validity refers to the degree to which the inferences based on test scores are meaningful, useful, and appropriate. Thus, test validity is a characteristic of a test when it is administered to a particular population. This article introduces the modern concepts of validity advanced by S. Messick (1989, 1996, 1996). Traditionally, the means of…

This "Research Roundup" focuses on how schools can benefit when educational leaders use data to challenge their intuition and assumptions in their decision-making. In "Building an Automated Student Record System: A Step-by-Step Guide for Local and State Education Agencies," Barbara S. Clements provides administrators with a quick but comprehensive…

This booklet addresses the difficulties of comparing and drawing meaning from dropout data prepared by different agencies, and examines the characteristics of students--and of schools--that place students at risk for leaving school prematurely. The booklet describes prevention programs and presents evidence on their effectiveness. It reviews…

Too few researchers understand what statistical significance testing does and does not do, and consequently their results are misinterpreted. This Digest explains the concept of statistical significance testing and discusses the meaning of probabilities, the concept of statistical significance, arguments against significance testing,…

A major survey of career and employment counseling in Canada was completed in 1993, with over 1600 counselors, department heads and managers of counseling centers, and regional directors working in career and employment counseling centers being polled. Survey results indicated: (1) there is a strong need for evaluation in all aspects of career…

This digest discusses the difficulty of assessing the speech and language of culturally and linguistically diverse students and recommends strategies for identifying communication disorders. It begins by reviewing what qualifies as a communication disorder, discussing the limitations of speech and language tests, and outlining test considerations.…

In March 1990, the Center for the Study of Community Colleges in Los Angeles hosted a Transfer Assembly as part of an on-going effort to stabilize the imprecise definitions and data relating to student transfers from community colleges to four-year institutions. This report provides excerpts from six of the presentations given to the assembly.…

The instructional techniques illustrated in this book present a method of infusing national security issues into the five principal social studies courses of U.S. history, world history, U.S. government, economics, and geography. Chapter 1 discusses the meaning and evolution of the term national security in its general and educational contexts.…