US - Survey about opinion formation (5-8 minutes) - Michael Bang Petersen - $0.60/4min - (>100, >95%)
URL: https://www.mturk.com/mturk/preview?groupId=3W7EAH4XLRGZXAEUC8UHDZOOO7TK1S
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Posted Feb 25, 2016, 1:04 AM UTC
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