This analysis reveals critical weaknesses surrounding the theoretical basis for the AIR (American Institutes for Research) evaluation design. It poses questions concerning the evaluation methodology. Specifically, it identifies major discrepancies in the identification of the target population, the selection of comparable control groups, test…

Meta-analysis, meta-evaluation and secondary analysis are methods of summarizing, examining, evaluating or re-analyzing data in research and evaluation efforts. Meta-analysis involves the summarization of research findings to come to some general conclusions regarding effects or outcomes of a given treatment/project/program. Glass's approach…

In 1989 the Department of Education contracted with Development Associates, Inc., to conduct a review of the evaluation and improvement practices of projects funded under Title VII of the Elementary and Secondary Education Act, often known as the Bilingual Education Act. The study focused on local transitional bilingual education and special…

Interim results of the American Institutes for Research study on the impact of the ESEA Title VII Spanish/English Bilingual Education Program imply that certain inferences can be made about the program, inferences which are unjustifiable. By providing only statistical averages on a national sample, the report does a serious disservice by failing…

The technical appendixes are part of a study that explores the type, content, duration, and intensity of instructional services provided to limited-English-proficient (LEP) students in the United States; administrative procedures associated with these services (including procedures for identifying students for entry into and exit from these…