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contrast_effect
The enhancement or diminishment of a perception, cognition, or experience when compared with a recently observed contrasting object. A moderately attractive person seems less attractive after viewing very attractive people, and a moderate price seems cheaper after seeing high prices. Context fundamentally alters judgment.
A real estate agent shows a buyer an overpriced, run-down house first, then shows a moderately priced house second. The second house seems like an excellent deal by comparison, even though it might seem merely adequate if viewed in isolation.
A hiring manager interviews an exceptionally polished and articulate candidate first, then interviews a competent but average candidate second. The second candidate receives a lower rating than they would have if evaluated independently, purely because of the stark contrast.
A restaurant places a $95 wagyu steak at the top of the menu. When customers see it first, the $42 salmon entrée feels very reasonably priced by comparison — and salmon orders increase significantly compared to menus where no premium item appears.
Binary (yes/no) questions an LLM must answer to identify this aspect:
Is the evaluation influenced by what was observed immediately before?
Type: binaryWould the assessment change if the prior reference point were different?
Type: binaryIs the judgment relative to a recent comparison rather than absolute?
Type: binaryThe enhancement or diminishment of a perception, cognition, or experience when compared with a recently observed contrasting object. A moderately attractive person seems less attractive after viewing very attractive people, and a moderate price seems cheaper after seeing high prices. Context fundamentally alters judgment.
The brain evaluates stimuli not in absolute terms but relative to recent reference points. Contrast enhances perceived differences, and recent experiences create anchors that shift subsequent judgments up or down.
Evaluate options independently against your predetermined criteria rather than in comparison to each other. Be aware when sequential presentation might be creating artificial contrasts.
The contrast effect is widely used in sales (showing expensive items first), negotiation (extreme opening offers), sentencing (harsher sentences after minor cases), and marketing (price anchoring strategies).
Use these tools to detect, analyze, or train this aspect.