Gatekeeping Practices of Participants in a Digital Media Literacy Massive Open Online Course (MOOC) by Kristy Roschke A Dissertation Presented in Partial Fulfillment of the Requirements for the Degree Doctor of Philosophy Approved April 2018 by the Graduate Supervisory Committee: Leslie-Jean Thornton, chair Monica Chadha Alexander Halavais Bill Silcock ARIZONA STATE UNIVERSITY May 2018 brought to you by CORE View metadata, citation and similar papers at core.ac.uk provided by ASU Digital Repository