While Doing Research on Playgrounds in Elementary Schools, Sociologist Barrie

While doing research on playgrounds in elementary schools, sociologist Barrie Thorne noticed that

A) teachers encouraged girls to play indoors and boys to play on playgrounds.
B) children were seated by gender in classrooms.
C) boys' social interactions were not influenced by gender, but girls' were.
D) gender was less salient in the classroom than on the playground.