In Rosenthal and Jacobson's (1968) Classic Study, Teachers Were Told

In Rosenthal and Jacobson's (1968) classic study, teachers were told at the beginning of the school year that some of their students were "intellectual bloomers." This study found that

A) those students who were labeled as bloomers had higher IQ scores by the end of the year.
B) those students who were not labeled as bloomers had better achievement scores throughout the year.
C) teachers' expectations did not influence student performance.
D) those students who were labeled as bloomers actually had lower IQ scores by the end of the year.