Nope, it's simply not wanting to contaminate the pool.
If I put forth my hypothesis to the public on what I'm looking for in a question on a survey, the people who hadn't taken the survey yet could answer in such a way that it will either prove or disprove the hypothesis depending on their feelings on the hypothesis.
It's to keep people answering what they feel and truely are, not based on what results they want.
Nope, it's simply not wanting to contaminate the pool.
If I put forth my hypothesis to the public on what I'm looking for in a question on a survey, the people who hadn't taken the survey yet could answer in such a way that it will either prove or disprove the hypothesis depending on their feelings on the hypothesis.
It's to keep people answering what they feel and truely are, not based on what results they want.