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

In a classic study by Rosenthal and Jacobson (1968) , teachers were told that a randomly selected group of children in their classes were "late bloomers" on the verge of an "intellectual growth spurt." What were the findings of the study when the abilities of all the children in these classes were evaluated two years later?

A) The students who had been randomly labelled "late bloomers" actually performed worse.
B) The students who had been randomly labelled "late bloomers" actually performed better.
C) Half the "late bloomer" students performed better, and half of them performed worse, compared to the other students.
D) There was no impact on student performance of whether teachers had been told a student was a "late bloomer" or not.