The effects of a prevention program designed to teach 7th grade students about the different
risk behaviors associated with human immunodeficiency virus (HIV), chlamydia, and
gonorrhea transmission were examined. Over 3 days, the students were taught how to
reason about self-protective behaviors using information about the biological causal
mechanisms of these sexually transmitted diseases (STDs). Results revealed that these
students displayed more biology knowledge and greater certainty in their responses to open …