I am not aware of any scientific or mathematical discipline where the personal beliefs of scientists is evidence of anything besides what they believe.
I strongly agree with godless dave here: can you really believe that a scientific fact can be determined by polling the personal beliefs of scientists, and that a number that depends on this fact can (based, in fact, on a poll asking a totally different question!) be plugged into a math formula?
Hint: you can use a poll to determine what percentage of USA scientists identify as Republican or Democratic, and use that number in Bayesian statistics to help predict the results of an election (although as usual you would have problems in creating a truly neutral question, the possibility that people might lie in a poll, determining how many scientists might vote in this election and how strong an effect party affiliation might have on the vote). So yes, you can use a poll if you wish to measure belief or one's normal practices (taking a car versus a bus to commute to work).
But it must be obvious to you that a poll of scientists cannot determine a scientific fact, such as "meteors are dust and rocks from outer space." If you did this poll in 1200, the answer among scientists would have been "no"; if you did it today, the answer would be "yes". Do you think meteors changed what they are in the intervening time?
Why even consult with your academic contact- you have in the past and then just rejected his answer, the same as you have done with the many statistics experts here (some of whom are academic scientists). You never even followed up with him as you had promised. Why bother him now?
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