within these two categories in mind, let’s look into the three levels of user validation.
The Three Levels of Idea Validation
Nikolaj Bomann Mertz
51

Thanks for your article. I think it is helpful to outline the difference between attitudinal and behavioural. Just one question:

With reference to the “two categories” you outlined: Attitudinal vs behavioural.

Is there really 3 levels of idea validation? Or only one level of validation — Behavioural: people actually doing it?

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