Self-fulfilling prophecy (Pygmalion effect)
Teachers told that randomly chosen students were “late bloomers” gave them more attention, and those students' test scores rose. This illustrates:
Answer C: explanation for every choice
A
Stereotype threat is fear of confirming a negative stereotype about your own group.
B
The halo effect is one positive trait coloring an overall impression.
C
Correct. The teachers' expectation changed their behavior, which produced the expected result.
D
Confirmation bias is favoring evidence that supports what you already believe. The students' scores actually rose.
TakeawayAn expectation changes behavior so that it comes true.
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Reviewed 2026-11-05 by a medical student. Spot an error? Report it with question ID ps82.