According to the Text,what Did Researchers Observe in an Experiment

Multiple Choice

According to the text,what did researchers observe in an experiment in which teachers at an elementary school were intentionally misinformed that certain children were extremely intelligent?

A) The teachers went out of the way to avoid treating these students differently,and researchers found no differences in students' treatment a year later.
B) There was no significant impact of the labelling effect on IQ scores.
C) There were marked academic gains among the so-called "extremely intelligent" students.
D) Positive teacher expectations actually created less successful students.