“…explore the potential of using Web annotation as a collaborative tool to promote learners' performance in various educational settings (Hwang, Wang, & Sharples, 2007;Johnson, Archibald, & Tenenbaum, 2010;Lin & Tsai, 2011;Mendenhall & Johnson, 2010;Nokelainen, Miettinen, Kurhila, Floréen, & Tirri, 2005;Su, Yang, Hwang, & Zhang, 2010;Wang, 2010;Wolfe, 2008;Yang, Chen, & Shao, 2004;Yang, Zhang, Su, & Tsai, 2011;Yeh & Lo, 2009). Little research, however, has compared the effectiveness of Web annotation in promoting collaborative learning with that of other collaborative tools.…”