Thanks for replying! We actually had two options. One is that we give everybody $2 for their participation, or we can run a lottery and give one out of 25 a $50 gift card. From out past experience, the latter one seems to be more appealing to most people. Thus we did it. But you are right, we...
We are not happy with this rule. That's one of the motivation for this study since we not only want to publish paper, but also want to talk to the school authority about the drone ban thing.
Researchers at Syracuse University are recruiting participants for a survey to better understand people’s attitudes and perceptions towards drones (a.k.a, unmanned aerial vehicle).
The survey will take 10-20 minutes. At the end of the survey, we will lottery a $50 gift card for every 25...