Studies of Internet addiction (IA) under the cognitive-behavioral framework have suggested that IA derived from the excessive expectation of positive outcomes, which was a goal-directed behavioral progress. However, according to the dual-system account under the framework of associative learning theory, IA should be considered as a transition process from goal-directed to habit-based. It can be explained in terms of aberrant learning processes, where Internet addicts apparently succumb to habit with decreased sensitivity to reward devaluation. To test this hypothesis, we implemented an instrum...
