The stereotype that men are better at math than women is so ingrained in our culture that women feel stereotype threat — and as a result, perform more poorly in math — just from watching a man take a dominant role in a math study group.
Again, you can see how much impact the male-dominant video had on the answers to this question in the graph below.
Only three social networking sites have gender parity:
Description: After watching the video, the participants got 20 minutes to solve 30 GRE-level math problems. We've heard over and over again that Pinterest is all for the ladies.