How do you ensure I get my respondents?
Why do you use credits?
Does this cost me money?
Why do I have to fill in surveys?
Can I invite family or friends to fill in my survey without having to fill in more of others?
How valid is the data I receive?
How long does it take before I get my answers?
Why can’t I just pay for people to fill in my surveys?
Doesn’t this make an unrepresentative sample?
How can I be sure my sample is representative for my particular study?
Can I also buy respondents?