I've used pairs while doing rapid paper prototype
testing. We get two people in to do the test and ask
them to talk aloud and note the conversation - the
sticky points where they ask eachother questions etc.
You can also have one person go through an exercise
and then bring a person in who has yet to see the
prototype and ask the first person to explain the
site/tasks to get an idea of how well they understand
the concepts and what might be missing.
Consultant to Molecular
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