The Principal Has Just Told Mrs

The principal has just told Mrs. Snyder, a kindergarten teacher, that a new little girl will be joining her kindergarten class. The little girl is African-American and Mrs. Snyder believes that African-American children are not as bright as European-American children. Consequently, when speaking to the little girl, Mrs. Snyder speaks slower and tends not to explain answers to the little girls questions in as much detail as she does to other children. In fact, the little girl is very bright but in responding to Mrs. Snyder in the way Mrs. Snyder expects, the little girl's grades begin to slip downward. The little girl appears to have entered into a _.

A) groupthink
B) self-fulfilling prophecy
C) stereotype threat
D) social facilitation