Recall That Rosenthal and Jacobson (1968)told Teachers That Some of Their

Recall that Rosenthal and Jacobson (1968) told teachers that some of their students were "bloomers." Consequently,those students actually performed better than students who were not labeled as bloomers.This finding suggests that

A) teachers' expectations were powerful in influencing the bloomers' behaviours.
B) the bloomers really were better students than their peers.
C) the bloomers were selected by intelligence.
D) the teachers were motivated to prove that the researchers were right.
E) the teachers were motivated to reward bloomers and punish the others.