Oddly Wired
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perception

You judge objects differently based on what they are near.

The contrast effect describes how stimuli are perceived relative to contextual anchors, but the Kenrick and Gutierres (1980) paper focused on social judgments rather than task performance.

If you evaluate a person's attractiveness immediately after viewing an exceptionally attractive photograph, you will perceive that person as less attractive than you otherwise would.

Your current judgment depends entirely on what you just experienced.

Where this comes from

Study
Kenrick and Gutierres, 1980
What the check found
The definition of the contrast effect is generally correct, but the example and source provided do not align; the study focused on social psychology/attractiveness, not performance tasks.
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.