Eaton, Danice K.; Lowry, Richard; Brener, Nancy D.; … - In: Evaluation Review 28 (2004) 6, pp. 564-577
This study investigates whether the type of parental permission affects prevalence estimates for risk behaviors from the national 2001 Youth Risk Behavior Survey. Participants were 13,195 students from 143 schools, of which 65% used passive permission and 35% active permission. Student...