Can You Judge a Book by its Cover?

New UCLA psychology research says "yes we can".

"Female politicians with stereotypically feminine facial features are more likely to be Republican than Democrat, and the correlation increases the more conservative the lawmaker's voting record," said lead author Colleen M. Carpinella, a UCLA graduate student in psychology.

Is this a selection effect or a treatment effect?  I would say that it is "selection".   

This is my last blog post for a while.