Some time in the last few months (possibly at Wikimania) someone pointed me at some research about predicting the outcome of Wikipedia consensus building from the language they were using in Talk. I think it was either research in progress or recently completed.
As I recall, the main "take home" message was that discussions where "you" started to be used tended to end up in conflict and that discussions that avoided "you" were more likely to resolve amicably.
If this rings any bells for you, can you please point me at it please.
Thanks
Kerry