Background: In the last decade, asynchronous online discussion forums have become a primary focus of many educational researchers. Some advocates believed that the process of typing out messages in itself can promote in-depth critical thinking skills. Nevertheless, empirical research has not provided much support for this claim in natural…

Studies have shown that electronic discussion can be used effectively to teach critical thinking and can achieve greater understanding. The use of online discussions is common in polytechnics and universities, and many schools in Singapore have begun to introduce online forums for discussion beyond the classroom. This research investigates lower…