Research on stereotype threat suggest that simply by asking participants to indicate their race prior to the test produces

A) a significant decrease in Black students' performances.
B) a significant decrease in White students' performances.
C) a significant increase in White students' performances.
D) a significant increase in Black students' performances.

Research on stereotype threat has consistently found that asking participants to indicate their race prior to a test can trigger anxiety and result in a decreased performance, particularly for individuals who belong to marginalized groups such as Black students. This effect is attributed to the activation of negative stereotypes and the fear of confirming them. Therefore, the correct answer is A, a significant decrease in Black students' performances.