In Robert Rosenthal and Lenore Jacobson's (1968) "Pygmalion in the Classroom

Multiple Choice

In Robert Rosenthal and Lenore Jacobson's (1968) "Pygmalion in the Classroom" study, students whose teachers were told that they were expected to show substantial IQ growth over the course of the year showed ________ during a brief time period.

A) substantial increases in IQ scores
B) substantial decreases in IQ scores
C) no change in IQ scores
D) substantial increases in psychological adjustment, but not IQ scores