I remember some years ago it came out that a social studies study on conservatives vs liberals came out looking bad for conservatives, and then a couple of years ago it was found they had reversed one of the numbers for conservatives which had made them look much worse than they were (and possibly they were actually better than liberals despite having been reported as worse, but I am not sure about that). Does anyone remember this well enough to give me a clue how to find out more about it? I haven't been able to configure a search that...