In a series of studies about intellectual expectancies, Rosenthal and Jacobson (1968) found that schoolchildren randomly identified as "bloomers" showed an average IQ increase of about 15 points by the end of the school year. These studies demonstrated
A) the power of expectancies.
B) that formal training designed to develop self-efficacy can impact performance.
C) the accuracy of lay judgments of personality.
D) the good target moderator of accuracy.

Question

Quizplus · Accepted Answer

The studies by Rosenthal and Jacobson demonstrated the power of expectancies, showing how teachers' expectations can influence students' performance, in this case, leading to an increase in IQ scores for those students randomly labeled as "bloomers."

In a Series of Studies About Intellectual Expectancies, Rosenthal and Jacobson