Crystal,
You are very right Crystal the means by which you can resolve the issues can require more effort over a longer period of time because of the different means of communication. While some things can be handled in a 30 or 60 second brief conversation in the face-to-face classroom, an e-mail exchange the same information may be extended over a day or two. Many times that may not be critical, but sometimes it adds to the complexity of the resolution.
Dr. S. David Vaillancourt