Do Participation Rates Change When Active Consent Procedures Replace Passive Consent  

Oleh:

Pokorny, Steven B. ; Jason, Leonard A ; Schoeny, Michael E. ; Townsend, Stephanie M. ; Curie, Carrie J.

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Evaluation Review vol. 25 no. 5 (Oct. 2001), page 567-580.
Fulltext: 567.pdf (83.26KB)

Isi artikel

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.

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