crowdsourcing a list of resources on WCs and student learning/retention; research on cost-effectiveness; individual reports from directors that demonstrate value of WCs
see also a discussion on writing centers and grade improvement: http://lyris.ttu.edu/read/messages?id=18268126
Video summary: "Dirk Calloway visits the Writing Center only because it's required. Jaymie assumes the worst about Dirk and their appointment goes horribly. Jaymie gets advice from her fellow peer writing tutors and learns how to work productively with Dirk."