> Granted it's still possible that both Turkers assigned to the HIT could commit fraud in the same way, but surely just as a matter of chance this bounds your e

> Granted it's still possible that both Turkers assigned to the HIT could commit fraud in the same way, but surely just as a matter of chance this bounds your error rate pretty substantially. I wonder if there's been research into the effort in time or persons to perpetuate this fraud. Knowing Amazon, I'm certain they've analyzed this internally if not constantly at least a few times over the years. I wonder if there's a public attempt at the same analysis.