Recall That Robert Rosenthal and Lenore Jacobson (1968) Informed Grade-School

Recall that Robert Rosenthal and Lenore Jacobson (1968) informed grade-school teachers that some of their students (called "bloomers") would show great academic improvement in the upcoming year.Also recall that students labeled "bloomers" actually showed greater increases on IQ tests compared to students who were not labeled "bloomers." These differences occurred because teachers

A) decided to devote their attention to the students with the most promise.
B) spent significantly more time interacting with "bloomers."
C) challenged "bloomers" more and gave them more and better feedback.
D) distracted "non-bloomers" by providing them too much personal attention.