Player Agency and the Relevance of Decisions. - David Thue; Vadim Bulitko; Marcia Spetch; Trevon Romanuik (ICIDS, 2010)

A Computational Model of Perceived Agency in Video Games. - David Thue; Vadim Bulitko; Marcia Spetch; Trevon Romanuik (AIIDE, 2011)