The nationwide results of the Implicit Association Tests revealed that most people, regardless of their race or ethnicity, have ... a. a slight, moderate or strong preference for black people over white people
b. a slight, moderate or strong preference for their own race over the other race
c. no preference for one race over another
d. a slight, moderate or strong preference for white people over black people

b. a slight, moderate or strong preference for their own race over the other race

Explanation:

The Pew Research Center conducted an Implicit Association Test (IAT) to find how much subconscious bias each race had towards their own race and other races. They did this by measuring how quickly the respondents reacted to good and bad words associate to specific races.

The nationwide results of the Implicit Association Tests revealed that most people, regardless of their race or ethnicity, have a slight, moderate or strong preference for their own race over the other race