Two groups of grade-school children were randomly selected, and for one group, their teachers were told that they were "intellectual bloomers." At the end of several months, the "intellectual bloomers" scored higher on an IQ test
What did researchers conclude from this study?
a) Teacher expectations can cause students to be perceived differently, and they respond in accordance with those expectations.
b) Even though groups were randomly selected, there must have been a difference in IQ between the groups before the intervention.
c) Teacher expectations don't make a difference in student performance.
d) Some unknown third variable must explain the results.
ANS: a
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