Moderating Usability Tests

Interacting during post-test activities

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The time between the fi nal task and the end of the session is very

valuable. Task performance may be over, but you still need to collect

important measures of participants’ subjective perceptions. Partici-

pants have spent perhaps an hour or two with the product, so it’s

important to capture their perspectives and to take the time to clarify

what happened during the session.

In a diagnostic test, this time provides a last chance to uncover

product strengths and weaknesses. In a summative or comparison

test, it’s a time to gather measures that summarize the users’

experience.

In this chapter, we discuss ...