Online group debates hosted in asynchronous threaded discussions can facilitate critical thinking between discussants (and increase deeper understanding of complex problems) by eliminating the need for turn-taking while formulating and presenting premises to support and challenge claims. Yet to be determined is to what extent does the current…

Given that grammatical and spelling errors have been found to influence perceived competence and credibility in written communication, this study examined how a student's grammar and spelling errors affect how other students respond to the student's postings in four online debates hosted in asynchronous threaded discussions. Message-response…