Cost-Justifying Usability, 2nd Edition

made telephone recruiting problematic even in the business space, resulting in

increasing resentment from call recipients. Some local governments have made

any type of cold calling illegal, so check out the regulations before you attempt

this strategy.

The best strategy is to recruit directly from the target Web site and offer

incentives to increase participation—and to be patient, especially if a Web site

does not have a high volume of traffic. E-mail is still perhaps the most prevalent

means of online recruiting because of its low cost. However, it is best to use an

opt-in list, as spam laws are toughening worldwide.

19.2.3 Study Administration

Online ...