Vaikel Inc., an automobile manufacturing company, conducts a survey to find out people’s opinion about its latest car, Vaikel 6.0, and their level of satisfaction with it. It requests a few people who recently purchased Vaikel 6.0 to participate in the survey and asks them to log on to a certain Web site at a given time. After they log on to the site, an online moderator runs a discussion about the car and allows the participants to respond. In this case, Vaikel uses a(n) _____ for conducting a survey.
Selecione uma das seguintes: