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We read the briefing (below) to each user. We then gave each task on an index card to each user. The next card was given when the user completed the task on the current card. No demo was given to any user. After the user test completed, we debriefed each user and let them know how to overcome problems they were having (if any) with the interface. We have listed usability problems during the user tests (and potential solutions) at the top of the page under the User tests section).
Briefing
SMak helps you plan your schedule. When people travel to foreign countries, they typically know what you want to see but not how to go about doing it. With SMak, your job is to specify what your activities are and give hints as to how you want to carry out those activities. Smak's job is to help fill in the details of your schedule: how to get from place to place, in what order to do your activities---these sorts of things.
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