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Hardin, J. Michael; Anderson, Billie S.; Woodby, Lesa L.; Crawford, Myra A.; Russell, Toya V. – Evaluation Review, 2008
This article explores the statistical methodologies used in demonstration and effectiveness studies when the treatments are applied across multiple settings. The importance of evaluating and how to evaluate these types of studies are discussed. As an alternative to standard methodology, the authors of this article offer an empirical binomial…
Descriptors: Bayesian Statistics, Alternative Assessment, Data Analysis, Statistical Studies
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Zvoch, Keith; Letourneau, Lawrence E.; Parker, Robert P. – American Journal of Evaluation, 2007
The evaluation of an intervention delivered across multiple treatment sites presents a unique opportunity for evaluators to gauge the manner and degree to which the "impact" of treatment varies across implementation conditions and different target populations. However, the availability of implementation data for each treatment site, while…
Descriptors: Program Implementation, Evaluation Methods, Models, Instructional Effectiveness