An evaluation of a school-based drug education program was employed to examine the effect of administration of a preteaching questionnaire on responses. Found pretesting increased the amounts of alcohol reported consumed and reports of drunkenness and marijuana use. (Author)

Used responses to an anonymous questionnaire to evaluate the effects of a drug education program among high school students. Results indicated a relatively long lasting increase in knowledge but no significant effects of the program on either attitudes or self-reported past or anticipated behavior. (Author)