Good call, yes the requirements for each survey are not posted. This is how surveys are created, researchers have to define their target audience first and then build the survey to reach that audience and seek the questions to benefit their research question.
Reasearch Methods or STats at any community college explains it quite well and in my opinion they should be required course for eery degree and high school students. Its amazing what the general public does not know about how a survey is conducted or what studies report and how they can manipulate the data for their own means.
Smoking is a big one, the only study to be released that supported second hand smoking was hazardous was also not finished. They based the information released on a rat put in a box and smoke blown into the box. The rat got cancer, well no dippity, you put anythin in an enclosed space it will suffocate from toxic fumes. Duh....
All other studies reported no or little damage from second hand smoke, in other words mass media drove the engine to increase panic and health bills. Smoking isn't great for an individual don't get me wrong here. I just believe in honest advertisements and accurate reports from agencies charged with health issues for the general public. Motiviation is the key here, if its money, greed or profit line then I am NOT interested in what they have to say. Come at me straight and with an intelligent response then I can deal with you.
....** okay off soapbox. lol
Oh and it pays even if you don't qualify:
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