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Chapter 6 · Advanced Techniques of Market Analysis · Slide 241/274

The Role of Perception

The same respondents, the same colas — only the knowledge of the brand changes. The preference flips:

6.4 · Perceptual Positioning MapsThe Role of Perception

The Role of Perception


The same respondents, the same colas — only the knowledge of the brand changes. The preference flips:

Diet PepsiDiet Coke

Blind test

Respondents don't know which cola they are drinking
Diet Pepsi
51 %
Diet Coke
44 %
No preference
5 %

"Open" test

Respondents know which cola they are drinking
Diet Pepsi
23 %
Diet Coke
65 %
No preference
12 %
Blind, Pepsi wins — with brand knowledge, Coke wins. It's not the product that decides, but perception.
QUESTIONSTAR · Dr. Paul Marx241 / 274
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