Yes it is one of those areas where we all can get easily confused. However, it very much depends on the situational question ....what it is trying to imply. i was also confused but i had come across some discussions on this forum a little while ago and had got it clarified. Basically it all depends on the question. Both of them can be worse or better depending on how the questions reflects ....please have a read at the below link and it might help you.

http://pmzilla.com/worst-conflict-two