Moderating Usability Tests

152 CHAPTER 10 Interacting with diverse populations

consent form. Also, teens who come “alone” often come with a

crowd of friends who can be unruly and can’t be left alone.

■ Expect a high no-show rate. Teens frequently arrive late and often

don’t show up at all.

10.5.3 Interacting during the session

Attend to parents and siblings. Children younger than about 9 years

will need their parents with them in the session. Keep siblings sepa-

rated. Young children often are uncomfortable being alone with

strangers in a room. You will need to coach the parents about what

they can and can’t do as visitors. Also, it’s rare that a brother or sister

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