The internal validity of the RMC models, especially Model A, is examined. Concern centers on limiting evaluation to cognitive outcomes, using constant percentile as the no-treatment expectation, and using norms for one test to establish the expected no-treatment performance level for another test. (MH)

Possible causes for the discrepancy between the ABT report on the national Project Follow Through and the Saint Louis, Missouri program were discussed: (1) ABT data were positively biased because of non-random, differential attrition from the program and control groups; (2) positive ABT data were due to use of a particular cohort group; or (3)…

Statewide assessment data available from two school years, two grade levels, and five sources (achievement tests; student, principal, and teacher questionnaires; and principal interviews), were aggregated to more closely investigate the relationship between student/school characteristics and student achievement. To organize this large number of…

This study of student teachers' beliefs was conducted to track changes in their beliefs about teaching and examine the role of academic and practical experiences in modifying these beliefs. The primary focus of this paper is the evolution of methodology, with extracts from three case studies presented to illustrate the direction the research is…

Procedures are described to conduct summative evaluations of Talents Unlimited programs. It is assumed that school counselors, administrators, or personnel minimally trained in measurement and statistics are capable of conducting the evaluation, except for doing the statistical analysis. The procedures are composed of: establishing measurable…

Data are presented in support of the validation of the competency-based basic skills curriculum which was implemented in the District of Columbia Public Schools in 1978-79. Strategies for conducting the validation are outlined in detail, including review of tests used, orientation of participants, integration of curricular hierarchies, and…