Quote: question-answering protocol--naive users learn a system by asking questions of a tutor; find problems, needed information, how users learn systems

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Takashi Kato, of the IBM Tokyo Cognitive Engineering … Research Laboratory, proposes a technique he calls "question-answering protocols" (Kato, 1986, Inter J Man-Machine Studies, 25:659-673] which, from our experience, meets this need. The question-asking protocol … without prior instruction. They have their own tutor, … The primary data of interest are the queries … verbal data "sheds light on 1) what problems … of the system are harder to learn, and …   Google-1   Google-2

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