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MMORPGs appear to be engineered to induce gaming and maximize the amount of time the player stays in play. Game architecture relies on highly reinforcing random reward patterns based on the well-known principles of operant conditioning (Yee, 2006). The time between effort and reward is designed to be very short at first, becoming longer only after the player has progressed to successively higher levels within the game. The reinforcing nature of game structure is significant since children and adolescents often become seriously involved in gaming at an age marked by high neuroplasticity and at a time before their brains have fully developed the ability to manage impulses (MSNBC, 2009).
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