Shavonne,an Elementary School Teacher,is Told That Some of Her Students

Multiple Choice

Shavonne,an elementary school teacher,is told that some of her students scored very high on a scholastic aptitude measure.Actually,these "high aptitude" students were chosen randomly,regardless of ability.During the next year of school,these students' IQ scores increased more than the scores of other students who were in Shavonne's class.According to your text,the most likely explanation for these students' IQ gain is ____.

A) their fluid intelligence
B) their interactions with classmates
C) the teacher's expectations for her students
D) their crystallized intelligence