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Psychology

The Pygmalion Effect: How Teacher Expectations Shape Student Achievement

Quick fact

In the famous Rosenthal-Jacobson study, students randomly labeled as 'bloomers' showed significantly greater IQ gains than their peers, especially in the early grades, after teachers had been led to expect more from them.

Why this is interesting

Imagine if a simple belief could change a student's IQ score. In a famous experiment, teachers were told certain students were about to 'bloom' – and those students actually did, even though the labels were random. What hidden power were the teachers unknowingly wielding?