Sexual health education often focuses on prevention of sexually transmitted infections and unintended pregnancies, but the decision to engage in sexual activity is equally important. This cross-sectional study examined the decisions of college students (n = 422) to engage in oral sex, vaginal sex, and other sexual behaviors. Regression analyses…

This paper is part of a series of applied statistics monographs intended to provide supplementary reading for applied statistics students. In the present paper, derivations of the unbiased standard error of estimate for both the raw score and standard score linear models are presented. The derivations for raw score linear models are presented in…

Defines and illustrates basic concepts of dichotomous logistic regression (DLR) and presents strategies for teaching these concepts. Strategies include using analogies between ordinary least squares regression and logistic regression; illustrating concepts with contingency tables; and linking logistic regression concepts to interpretation of…