In an academic environment, most of the teams I worked on were more Scramble than Platoon. Everyone collaborates and works together to produce a final product in a timely manner. I'd say I've met a couple of Slackers, but after directly asking them to do their part, things always worked out in the end. As far as team styles, I have had both “Basketball” and “Baseball” style teams. In the end I think I prefer the “Baseball” style, since it usually brings out the best in people, because it plays on theirs