Students helping students have become an increasingly important educational concept over the last 20 years. While the popularity and prevalence of these types of programs have grown considerably, there has been little effort to evaluate their effectiveness. The authors advocate for counselors to use a scientist practitioner approach to…

Challenges to classical psychometric theory are examined in the context of a broader range of fundamental, derived, and intuitive measurements in psychology; the challenges include content-referenced testing, latent trait theory, and generalizability theory. A taxonomy of psychological measurement is developed, based on: (1) purposes of…

The topic of assistive technology (AT) outcomes has only recently received attention in the professional literature. As a result, there is a considerable void in the profession's ability to address contemporary questions about the value and use of AT. The purpose of this article is to highlight the theory, development, and research efforts of the…

Three distinctions are usually made between norm- and criterion-referenced measures. They are: (1) their measurement forms, that is, student performance in relation to the performance of other students or with respect to some specific criterion; (2) general or specific kinds of objectives in which the measures are founded; and (3) their modes of…

Proposes that objective-referenced tests replace norm-referenced tests as a vehicle for program evaluation. Describes a methodology, based on latent trait theory, for joining norm-referenced and objective-referenced testing in a customized testing program. (TE)

The authors have written this manual to aid workers in the Cooperative Extension Service of the United States to be better able to understand and apply the principles and methods of evaluation. The manual contains three sections which cover the nature and place of evaluation in extension work, the evaluation process, and the uses of evaluation…

A classical model for achievement test development was influenced by: the educational tradition of selecting a sample of questions appropriate to a subject and counting the proportion of acceptable responses; the emphasis on obtaining a large and homogeneous sample of questions to insure reliability; and the tradition in psychological testing of…