Selection bias pervades the evaluation of supplemental instruction (SI) in non-experimental settings. This brief note provides a formal framework to understand this issue. The objective is to contribute to the accumulation of credible evidence on the impact of SI.

In this paper the authors present a new method for sample selection for scale-up experiments. This method uses propensity score matching methods to create a sample that is similar in composition to a well-defined generalization population. The method they present is flexible and practical in the sense that it identifies units to be targeted for…

The National Survey of Student Engagement (NSSE) documents dimensions of quality in undergraduate education and provides information and assistance to colleges, universities, and other organizations to improve student learning. Its primary activity is annually surveying college students to assess the extent to which they engage in educational…

Over the past several years, a number of new programs, policies, and initiatives designed to promote the employment of people with disabilities have been implemented by state and federal agencies, and are being evaluated to greater and lesser degrees. The purpose of this report is to provide a review of the recent evaluation activities being…

An assessment was made in 1978 of the longterm effects on school media utilization of Project Discovery (1964-1967), which was designed to test the effect of "maximum availability" of instructional materials on curriculum, on student attitudes, achievement, creativity, and motivation, and on teaching methods and techniques. The project…

This collection of 66 assessment instrument profiles was compiled to address the issue of multidisciplinary evaluation of infants and toddlers, aged birth through 2 years, and the identification of family needs. Six categories of instruments are included: (1) developmental screening, (2) developmental tests, (3) specific screening, (4) specific…

The Computerized Adaptive Testing (CAT) project is a joint Armed Services coordinated effort to develop and evaluate a system for automated, adaptive administration of the Armed Services Vocational Aptitude Battery (ASVAB). The CAT is a system for administering personnel tests that differs from conventional test administration in two major…

This paper reports on (1) the results of a 1984-85 national survey of the status of school administrator preparation, (2) recent literature in the field, and (3) where the field appears to (and should) be going. Participants in the survey included state certification officials, large public school district officials, and directors of doctoral…

Beginning in fall 1991, Napa Valley College (NVC), in California, switched from essentially mandatory placement of incoming students to an advisory, self-selection system, where students receive course recommendations based on assessment test results. In order to evaluate the validity of NVC's assessment procedures, a study was conducted of…

To compare the effects of two different comprehension treatments on the reading of university students enrolled in a developmental reading laboratory, 74 students were administered pretests measuring reading achievement and reading attitudes and were given five weeks of instruction in text organizing strategies and vocabulary development. After…

The Pre-Professional Skills Tests (PPST), was developed at Educational Testing Service at the request of the National Teachers Examination Policy Council. The battery of three tests is designed to provide objective, standardized measures of basic proficiency in reading, mathematics, and writing. The steps in the test development process of this…

The Language Assessment Battery was administered to third to fifth grade limited English speaking students in New York City. Special techniques addressed two common problems in testing these populations: (1) language tests suitable for limited English speakers change their psychometric characteristics over time as the students' language ability…