Proximity
With accelerated learners it's important to move around and even join groups for short periods of time. This helps redirect and raises the comfort level of the less confident student. I enjoy hearing and participating in student discussion on an equal level.
This is completely true. If you continue to move around the room, you become more approachable than the "person in the front of the room" and let the students know that you are interested in their learning and are available to support them or if they have questions.
Jody, you (as well as the other two individuals who responded to this topic) make a perfectly valid point about how it isn't only what we say - but how we move - that can help gain a student's interest or help make them feel as if they are actually a part of the learning process. I often find it helpful to move slightly toward a student (or at least toward their side of the room) when they're asking a question. In my experience it tends to show interest and that I'm actually ensuring that I hear everything they're saying.
moving around also keeps the discussion on topic with different personality types which may tend to become more social and wander off the topic of discussion
This is a good point. The instructor's physical presence is also important to help equalize group dynamics if one or two dominant personalities start to overwhelm the others.
