A computerized adaptive test (CAT) may be modeled as a closed-loop system, where item selection is influenced by trait level ([theta]) estimation and vice versa. When discrepancies exist between an examinee's estimated and true [theta] levels, nonoptimal item selection is a likely result. Nevertheless, examinee response behavior consistent with…

This report evaluates the Promotional Gates Program for kindergarten through ninth qrade implemented in thirty-two community school districts in New York City. The report is designed to provide policy makers with: (1) an assessment of student achievement on the California Achievement Test (CAT) and the Criterion Referenced English Syntax Test…

The Fairfax County, Virginia, Schools' Primary Mathematics Program (PMP) was re-evaluated to provide additional data on program effectiveness and to provide suggestions on future program development, implementation, and improvement. Seventy-one teachers in 14 schools implemented the pilot program. Evaluative data included interviews with 14…

Results are presented from the first two years of implementation of Detroit's Peer Teachers as Mirrors and Monitors Project. The data describe reading and mathematics achievement in grades 1-4 at two schools which participated in the project interventions, and one comparison school. Results indicate that: (1) teachers' appropriate use of time…