Do Participation Rates Change when Active Consent Procedures Replace Passive Consent

Steven B. Pokorny, Leonard A. Jason, Michael E. Schoeny, Stephanie M. Townsend and Carrie J. Curie
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Steven B. Pokorny: DePaul University
Leonard A. Jason: DePaul University
Michael E. Schoeny: University of Illinois at Chicago
Stephanie M. Townsend: DePaul University
Carrie J. Curie: DePaul University

Evaluation Review, 2001, vol. 25, issue 5, 567-580

Abstract: Researchers face considerable ambiguity and controversy regarding the issue of informed consent. Decisions about consent procedures can affect study participation rates and prevalence estimates among specific populations. Changing from passive to active parental consent procedures was examined in a case study with an anonymous survey of sixth- through eighth-grade students' substance use. Four types of procedures for obtaining parental consent were examined. Results suggest that certain types of consent procedures can yield high levels of participation. This study also demonstrates that low participation rates with some active consent procedures can cause biases in sample characteristics and outcome data.

Date: 2001
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Persistent link: https://EconPapers.repec.org/RePEc:sae:evarev:v:25:y:2001:i:5:p:567-580

DOI: 10.1177/0193841X0102500504

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