Structural equation models for predictors of traditional family values regarding relationships were examined in 2 samples: undergraduate students and adults ranging widely in age (23-86 years). Predictor variables included verbal ability, need for cognition, need for closure, intolerance for ambiguity, religiosity, and gender orientation. The models accounted for a substantial proportion of the variance in traditional family values (64% for students, 63% for adults). Findings provide little support for common stereotypes regarding age and gender differences in traditionalism. Instead, 3 individual-differences variables predicted traditional family values: need for closure, religiosity, and verbal ability. Outcomes argue for the need to identify multiple mechanisms by which personal characteristics such as need for closure and religiosity influence traditionalism in social belief systems and argue against reliance on status variables such as age and gender as explanatory variables for these beliefs.