A Study on Stereotype Threat and Math Performance (Spencer, Steele

A study on stereotype threat and math performance (Spencer, Steele, & Quinn, 1999) suggests that

A) the gender gap in math performance is at least partly due to stereotype-influenced beliefs and expectations.
B) women stereotype their own math abilities more than men.
C) when women are told nothing about gender differences, they tend to do as well.
D) women do better on math tests when they are tested in mixed-sex groups than when tested with only men.