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Reference table

Gabor-Granger vs Van Westendorp

How the two most used pricing survey methods differ, and when to use each

Table comparing Van Westendorp and Gabor-Granger on the question each answers, inputs, outputs, best stage, blind spot and sample size
Find the range first, then pick the price inside it Source: Peter van Westendorp (1976); André Gabor and Clive Granger (1960s)

A side by side comparison of the Van Westendorp Price Sensitivity Meter and the Gabor-Granger pricing method. It shows what each method asks, what you need before you start, what you get out of it, its main blind spot and a typical sample size. Use it to decide which pricing study to run first. Koji runs Gabor-Granger as a price test question inside AI interviews, with a follow-up on why at every answer.

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What's in this reference table

Van WestendorpGabor-Granger
Question it answersWhat price range feels acceptable?How many would buy at each price, and which earns most?
What you need firstA clear description of the product3 to 10 candidate prices
What people answerFour open price questionsBuy or not at one price at a time
What you getAn acceptable range and a crossing pointA demand curve and a revenue-maximising price
Best stageEarly: new product, no anchor priceLater: choosing between real options
Main blind spotSays nothing about how many will buyCan only pick a price you tested
Typical sample100 to 200 per segment in vendor guidanceAround 30 people for a first read

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<p>Source: <a href="https://www.koji.so/visuals/gabor-granger-vs-van-westendorp-comparison-table">Gabor-Granger vs Van Westendorp</a>, Koji</p>