The evaluation of instructional program effects traditionally operates on pre-to-post, group-level, gain-score models. A critical features scale was developed to track the critical incidents of selected students during a series of alcohol-education classes. The results are preliminary, problematic, but promising. (Author)

This booklet aims to help educators make informed decisions about which students need special language services, what kind of services they should receive, and how well the students and the language program have succeeded. It focuses on the following issues: (1) how the larger social context affects teachers' decisions and students' success; (2)…

Examined Biological Sciences Curriculum Study (BSCS) programs showing how they compare to each other and other science programs and how various student groups performed. Student comparisons were made by sex, IQ, ability grouping, and socioeconomic status. Teacher background, school size and location were also examined. Summary and recommendations…