On the other hand, if you compensate people for the right answer, they start using the criteria of “what do I think the survey-maker thinks is the correct answer”, which may not be the same as “what do I think is the correct answer”.
On the other hand, if you compensate people for the right answer, they start using the criteria of “what do I think the survey-maker thinks is the correct answer”, which may not be the same as “what do I think is the correct answer”.