The Results:
http://www.hourences.com/book/surveyresults.htm
(Dozens of charts below all that text!)
Thanks to all who participated.
QuoteThere were around a 1000 participants in this survey, of those, 58 percent were level designers or artists. The remaining 42 percent were gamers and developers involved in other aspects of development. Of the 58 percent, 27 percent were professional level designers (152 professionals).