" The particular combination of the explicit communication of high standards and the demonstrated assurance of the teacher's belief in the student's ability to succeed (as evidenced by the effort to provide detailed, constructive feedback) was a powerful intervention for Black students...it was an exceedingly effective way to generate the trust needed to motivate Black students to make their best effort. "

― Beverly Daniel Tatum, , Why Are All The Black Kids Sitting Together in the Cafeteria?