Sociology
Age-Period-Cohort Effects in Attitudes Toward Gender Roles
Quick fact
Longitudinal studies of Western countries show that most of the long-term shift toward more egalitarian gender attitudes is due to cohort replacement—each new generation holds more liberal views than the last—and less to individuals changing their views as they age.
Why this is interesting
You might assume society's view on gender roles has steadily 'progressed'—but is that because people change their minds, or because older generations are being replaced?