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Esbensen, Finn-Aage; Melde, Chris; Taylor, Terrance J.; Peterson, Dana – Evaluation Review, 2008
Active parental consent policies have been blamed for low participation rates and selection bias (i.e., loss of "high-risk" youths) in school-based studies. In this article, the authors describe active consent procedures that produced an overall active consent rate of 79% in a sample of more than 4,500 middle school students attending 29…
Descriptors: Attrition (Research Studies), Educational Research, School Surveys, Parent Rights
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Esbensen, Finn-Aage; Miller, Michelle Hughes; Taylor, Terrance J.; He, Ni; Freng, Adrienne – Evaluation Review, 1999
Uses pretest data collected with passive parental consent for 2,496 middle school students to examine demographic, attitudinal, and behavioral differences between students for whom active parental consent was provided in later phases of the research and those for whom active consent was not provided. Results show the detrimental effects of…
Descriptors: Attrition (Research Studies), Behavior Patterns, Comparative Analysis, Demography