“…Bringing teachers together online for professional learning has been described using a number of terms including online teacher professional development (oTPD) (Dede, Ketelhut, Whitehouse, Breit, & McCloskey, 2009;Marrero, Woodruff, Schuster, & Riccio, 2010), professional learning communities (PLCs) (DuFour, DuFour, Eaker, & Many, 2010;Stoll & Louis, 2007), professional learning networks (PLNs) (Lieberman & Grolnick, 2005;Trust, 2012), in higher education, asynchronous learning networks (ALNs) (Hiltz, 1998;Rovai, 2002), and simply as online learning communities (Mackey & Evans, 2011). Wenger, Trayner, and de Laat (2011) In contrast, a CoP requires "the development of a shared identity around a topic or set of challenges.…”