Knowledge of evolutionary terms by major predictors. 3a: Knowledge of Evolutionary Terms by Religious Affiliation. Note the apparent difference between the 3 groups with Christian Affiliations and those without. See text for statistical analysis. 3b: Knowledge of Evolutionary Terms by Frequency of Church Attendance. Note that group which attends services once or more per week not only have a lower average but a much wider range. See text for statistical analysis. 3c: Knowledge of Evolutionary Terms by Level of Education. Note the general increase in knowledge of evolutionary terms with more education, and the deviation from the trend in the most educated group.