In a Classic Study by Rosenthal and Jacobson (1968), Researchers

In a classic study by Rosenthal and Jacobson (1968) , researchers randomly chose five elementary school students and identified them to their teachers as "spurters," implying that the students had superior intelligence and academic ability.In reality, they were no different from the other students in the classes, yet at the end of the school year, the students scored high on IQ tests and achieved high grades.This illustrates

A) the integration hypothesis.
B) cultural imperialism.
C) social promotion.
D) the self-fulfilling prophecy.