Geis B D, Gerrard M
J Pers Soc Psychol. 1984 Mar;46(3):669-80. doi: 10.1037//0022-3514.46.3.669.
An exploratory, multivariate study was carried out to assess (a) whether three contraceptive-effectiveness groups (high, moderate, and low) could be differentiated on the basis of variables that have been theoretically and empirically associated with contraceptive behavior and (b) whether an identified set of discriminating variables could accurately classify sexually active college students into these groups. Three hundred sixty-five sexually active, never-married college students (211 males and 154 females) completed instruments measuring variables related to contraception. Four separate discriminant analyses were performed, one for each sex for both their initial sexual encounter and their current sexual interactions. Discrimination and classification of the three contraceptive groups for both males' and females' initial sexual experience was not very successful. Moderate discrimination was achieved for the female current sexual activity subsample and good discrimination and classification was made for the currently sexually active male subsample. The results are discussed in terms of the implications of the findings for understanding contraceptive behavior of males and females, problems with the dependent variable of contraceptive use, and the mounting evidence that emotional orientation to sexuality influences contraceptive behavior.
开展了一项探索性多变量研究，以评估：(a) 根据理论和实证上与避孕行为相关的变量，是否可以区分出三个避孕效果组（高、中、低）；(b) 一组已确定的区分变量是否能将性活跃的大学生准确分类到这些组中。365名性活跃的未婚大学生（211名男性和154名女性）完成了测量与避孕相关变量的工具。进行了四项单独的判别分析，分别针对男性和女性的初次性接触以及他们当前的性互动。对于男性和女性的初次性经历，三个避孕组的判别和分类都不太成功。对于女性当前性活动子样本实现了适度判别，对于当前性活跃的男性子样本实现了良好的判别和分类。从研究结果对理解男性和女性避孕行为的影响、避孕使用因变量的问题以及越来越多表明对性取向的情感影响避孕行为的证据等方面对结果进行了讨论。
