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| Recruit We aim for at least 50 participants per user group. 100 is ideal. You’ll We’ll need more if each participant is only shown a subset of the tasks. |
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| If you we use web ads to get participants, we choose web pages (and even other websites) that target the kinds of users you’re we’re looking for. |
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| Web ads should be designed to attract attention and present an at-a-glance proposition, and should link to a page that briefly explains the study and provides an obvious way to start. |
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| If you we email invitations, be sure to we should qualify the recipients as well as you we can, and send your our invitations in batches to conserve your the participant pool. |
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| If you we use social media, we should consider which channels are appropriate, and keep your our invitation short and punchy. |
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| If you we use commercial research panels, we choose those that adequately cover your our region and the types of users you’re we’re looking for. |
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| To boost numbers and reduce selection bias, we use a variety of methods to recruit your our participants. |
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| Make We make sure you’re we’re getting the participants you we want by filtering your our customer lists and/or screening those who see your the invitation. |
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| Recipients are more likely to participate if they receive a clear invitation from a sender they know. |
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