Barbara,
You bring up some good points about both synchronous and asynchronous communication methods. Chat rooms certainly can be difficult places for those students who have poor typing skills. In addition, multiple conversations can be difficult to follow. Also, time zone differences may make it so some students are unable to participate in live chat sessions.
Asynchronous methods, such as forum discussions, are terrific for allowing transformative learning to happen. Unlike live classrooms or chat sessions, forum discussions allow students to read and reread postings, research the topic, and offer an informed response.
As you said, making use of both… >>>