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Foster, E. Michael; Fang, Grace Y. – Evaluation Review, 2004
Using data from the evaluation of the Fast Track intervention, this article illustrates three methods for handling attrition. Multiple imputation and ignorable maximum likelihood estimation produce estimates that are similar to those based on listwise-deleted data. A panel selection model that allows for selective dropout reveals that highly…
Descriptors: Program Evaluation, Research Methodology, Data Collection, Gender Differences
Peer reviewed Peer reviewed
Foster, E. Michael; Bickman, Leonard – Evaluation Review, 1996
Simple methods for detecting attrition (nonresponse) in longitudinal evaluations are reviewed, focusing on regression-based analyses of data from a longitudinal evaluation. The approaches are illustrated with data from the Fort Bragg Evaluation, an evaluation of a major demonstration in children's mental health services. (SLD)
Descriptors: Attrition (Research Studies), Children, Demonstration Programs, Dropouts