“…A variety of factors have been considered, including discussion group size (Hewitt & Brett, 2007;Rovai, 2007), facilitation methods (MacKnight, 2000;Rovai, 2007;Wise & Chiu, 2011), course length (Ferguson & DeFelice, 2010;Seamon, 2004), and software design (Brooks, Panesar, & Greer, 2006;Hewitt, 2005;Swan, 2004). In this paper, we focus on two of these factors: course length and facilitation method.…”