Who conducted a research program on racial identity and self-concept issues for black children that was cited in the 1954 supreme court decision to end racial segregation in public schools?

The correct answer is: Kenneth and Mamie Clark.

Explanation:

Kenneth and Mamie Clark were a married couple of African-American psychologists that studied children's attitudes about race using white and black dolls and made huge improvements for racial equality. Their contribution was key in the decision of the Supreme Court in the Brown v. Board of Education case, which made racial segregation in public school unconstitutional.

a is the final ! : )