Quote Originally Posted by SannaR View Post
Not if you don't have enough time to actually do enough damage. I had people kill slyphs for instance right after I off guard or sticky tongue and not get any xp. Also the lower level player normally has to do damage to the mob to get any xp credit before the lv 70 friend kills it. Also the instances I've seen were soloist so they weren't power leveling others just themselves.
I'm not sure why our experiences are different; I helped a Lv1 BLU over at Wineport and despite that they did no damage, as long as they tagged the mob first and got priority on the target, they got full XP from it when I killed it.