Is it REALLY a "Revolution?" (2001)
Immersive [Im]Morality (2002)
The Effects of Verbal Profanity on the Gameplay Experience in First Person Shooters (2003)
Morality Play - Creating Ethics in Video Games (2003)
How Ethics Structures are Defined and Reinforced in Video Game Environments (2007) | Master's Thesis [69 pg. PDF]