Is Teenage Sexual Behavior Rational?1

Abstract
We evaluate the applicability of a decision making framework to the teenage contraceptive and sexual behavior of 1032 Philadelphia teenagers. We examine three reasons why the decision making perspective may not apply in this domain: (a) because the decision makers are teenagers, (b) because the decision concerns sexual behavior, and (c) because the costs of contraception and abstinence are immediate and certain, while the benefits are delayed and uncertain. Using multiple regression, we examine the predictors of sexual activity and contraceptive use. We find support for the decision making model in that the variables ordinarily included in decision analyses do significantly predict behavior. But respondents seem to place disproportionate weight on some considerations, such as the discomfort of using birth control, and very little on others, such as the effectiveness of birth control or their attitude toward motherhood.