My thoughts. If your on my Friends list and have never done one before you will get drug through one if I need a 6th Member. Pretty much guaranteed if your online and we are raiding. To me honestly you simply explain each part of the Raid before it happens. Normally everybody has a spot they normally gravitate to and you simply assign the new person to a spot and they will slowly figure out everybody else's role and the second time thru they will have a really good idea and become self sufficient.