In Rosenthal and 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

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In Rosenthal and Jacobson's "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 significant increases in IQ scores during a brief time period. This effect was attributed to the teachers' expectations influencing their behavior towards the students, leading the students to perform better.

In Rosenthal and Jacobson's (1968)"Pygmalion in the Classroom" Study,students Whose