Cognitive Scaffold

Preparing your thinking workspace

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MENTAL MODEL · M1131

The Pepsi Challenge

The Pepsi Challenge
BehaviorHigh supportPsychology
Included
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Version 1.0.0 · Updated 2026-07-30

CORE DEFINITION

In blind tests, Pepsi beat Coca-Cola because it is sweeter; but in open tests, people still buy Coca-Cola. This shows that 'taste' (product attribute) is not equal to 'brand preference' (perceived value).

SCAFFOLDING EFFECT

psychology

Reduce cognitive load

Distinguish product strength from brand strength. It reminds us that in some areas, a simple product performance advantage (sweeter) is not enough to defeat long-term accumulated emotional connection and brand recognition (Coke).

anchor

Anchor fast decisions

Pepsi Challenge: In blind tests, more people chose Pepsi, used to attack Coca-Cola's advantage, revealing label and taste bias.

MINIMUM ACTION

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Source support: Explicit

  • link
    en.wikipedia.orghttps://en.wikipedia.org/wiki/Pepsi_ChallengeZH · Explicit
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