posted on 2013-07-31, 02:23authored byLinda See, Alexis Comber, Carl Salk, Steffen Fritz, Marijn van der Velde, Christoph Perger, Christian Schill, Ian McCallum, Florian Kraxner, Michael Obersteiner
The distribution is shown for (a) the control pixels and (b) the volunteers, where the latter show a much wider range of answers.