1. Affect of the Game Player
2. American Psychiatric Association (1987) Diagnostic and Statistical Manual of Mental Disorders) (3rd edn, revised), Washington, DC.
3. (1992) Culture-Free Self-Esteem Inventory (2nd edn), Pro-Ed, Austin, Texas.
4. (1982) ‘The placement of electronic video games in convenience and liquor stores: a preliminary report of research observations’. Report for Atari, Sunnyvale, CA.
5. The Effects of Prosocial and Aggressive Videogames on Children's Donating and Helping