Disco08 said:Here you go Merv, I think it answers your questions.
Come on Disco, that seems flimsy at best.
Less than a third of the scientists could be bothered to respond, and "Approximately 5% of the respondents were climate scientists, and 8.5% of the respondents indicated that more than 50% of their peer-reviewed publications in the past 5 years have been on the subject of climate change." So at best, 268 have spent at least half their time on the subject; of which, no more than 157 say they are 'climate scientists'.
Considering this was a 'global' survey, that's a pretty insignificant sample size.
And how broadly based can two questions get...?
1. When compared with pre-1800s levels, do you think that mean global temperatures have generally risen, fallen, or remained relatively constant?
2. Do you think human activity is a significant contributing factor in changing mean global temperatures?
How can a scientist give a meaningful answer to such general questions, in a 2 minute, on-line survey? And to use such a leading question as (2) seems pretty unprofessional.