The Campbellian validity typology has been used as a foundation for outcome evaluation and for developing evidence-based interventions for decades. As such, randomized control trials were preferred for outcome evaluation. However, some evaluators disagree with the validity typology's argument that randomized controlled trials as the best design…

In the current climate of increasing fiscal and clinical accountability, information is required about overall program effectiveness using clinical data. These requests present a challenge for programs utilizing single-subject data due to the use of highly individualized behavior plans and behavioral monitoring. Subsequently, the diversity of the…

Evaluation research is conceived as a question answering process. Four strategies are suggested which emerged from four approaches to the study of questions. Evaluation questions must be identified and classified before research can effectively begin. This paper discusses the four approaches to studying evaluation research questions and their…

Reviewed research on practicum supervision in terms of findings and research designs employed. Classified research according to counselor-supervisor similarity, training methods, and evaluation. Conclusions indicated no support for supervisor-counselor matching, support for experiential, modeling and didatic methods, and peer supervision. (Author)

This document is the fifth volume in a 5-part series that reports the results of a project undertaken to critically review and analyze major longitudinal studies of child and student development. These studies were conducted to discover the variables, techniques, methodologies, and problems pertinent to evaluative studies of the effects of schools…

Nongradedness is a type of internal organization for a school that groups students on the basis of an intergrade plane. This approach attempts to adapt instruction to individual differences. Grouping principles include physical factors, social maturity and personality factors, mental maturity, academic status, and teacher personality within the…

The National Job Corps Study was undertaken to obtain the information needed to assess the Job Corps' success in providing employment assistance to disadvantaged youths aged 16 to 24 years. The study's findings related to outreach and admissions (OA) and center characteristics and practices that appear to promote positive programmatic experiences…