Abstract:
The aim of this research is to know the effectiveness of sex education on the knowledge of sexual health in adolescents. The design of this research is pre experiment with one group pre test and post test design. The samples was (170 respondent) taken by Nomogram Herry King formula in SMAN 1 Kampar Kiri. Instrument was used a questionnaire which tested the validity and reability. This research uses univariate and bivariate analyze with wilcoxon test. This result of this research showed there was difference in sexual heatlh knowledge before and after sex education with p-value 0,000 or p<0,05. This reseacrh suggested the school to support extracurricular related youth health and the school are expected to form a peer droup that will help adolescent cope with their health problems.
