There are two similar but different methods. Concierge Test is used to understand the mechanics, not user demand. Wizard of Oz (aka Mechanical Turk) is used to

There are two similar but different methods. Concierge Test is used to understand the mechanics, not user demand. Wizard of Oz (aka Mechanical Turk) is used to evaluate hypotheses. The more detail in the post by Tristan Kromer below. https://grasshopperherder.com/concierge-vs-wizard-of-oz-test/ https://grasshopperherder.com/concierge-vs-wizard-of-oz-test...