Oddly Wired
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expectations

Your expectations of others physically alter their actual performance.

The Pygmalion effect demonstrates that higher expectations from an authority figure lead to an improvement in an individual's performance.

A 1968 study found that when teachers were told specific students were academic bloomers, those students showed significantly higher IQ gains by year's end. The teachers changed their non-verbal cues and gave more challenging work to the students they expected to excel. These small changes reinforced the students' belief in their own capability.

The labels you assign to others often become their reality.

Where this comes from

Study
Rosenthal and Jacobson, 1968, Pygmalion in the Classroom
What the check found
The definition provided for the Pygmalion effect is accurate as used in social psychology, despite long-standing academic criticism regarding the methodology and replicability of the foundational 1968 study.
Confidence
Solid, with limits

Related

One of these every day, and every one names the study it came from. When a finding is contested, it says so.