Walton and Colleagues (2015) Studied Students in an Engineering Program

Walton and colleagues (2015) studied students in an engineering program, focusing on specific factors related to first year grade point averages (GPAs) . They found that women's GPAs were very similar to men's when

A) the students received the brief information designed to counter concerns about belonging.
B) academic advisors were trained in avoiding gender stereotypes in class assignments.
C) professors were recorded giving class lectures to help them identify unequal behaviors.
D) residence hall advisors were instructed to "urge" females to take more difficult classes.