ifferent evaluation models were applied to data from a high school career education program to investigate problems in statistical conclusion validity and program effectiveness judgments. If potential threats to internal validity are analyzed and protection strategies are developed, more confidence in unplanned ex post facto design using a…

Citing the signaling and charged use distinction, examines federal expectations and need for evaluation data and extent of local capabilities to meet those expectations when secondary/transition model demonstration projects, funded by the Office of Special Education and Rehabilitation Services, were obligated to improve amount, quality, and use of…

Several validation methods for the identification and dissemination of exemplary educational programs are explored, and the rationales for methods developed by the Program Effectiveness Panel are discussed. Comparative advantages and disadvantages of four selected methods are reviewed, and recommendations are made for policymakers and…