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Ellickson, Phyllis L.

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Limiting Nonresponse in Longitudinal Research: Three Strategies for School-Based Studies. A RAND Note.

Ellickson, Phyllis L. – 1989

Longitudinal studies conducted with children typically experience non-response problems that can make substantial inroads on sample size and introduce bias into the analysis. Three methods for limiting non-response in school-based research programs were assessed: (1) asking parents to return consent forms only if they do not want their children to…

Descriptors: Adolescents, Attrition (Research Studies), Curriculum Evaluation, Data Collection