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

Multiple Choice

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.