This study builds on prevalent approaches of extending the applications of importance performance analysis (IPA) tool. Thus, we analyse the influence of Performance expectancy on Customer Satisfaction. The instruments employed were adapted from previous studies and pilot tested with a group of master students to verify clarity of meaning and comprehension. Findings reveal the stronger influence of three factor that emerge from performance expectancy: Usability, Reliability, Information Quality.

The current study investigated the mediating effect of positive internet game expectancy on the relationship between behavioral activation system and internet game addiction to confirm whether the acquired preparedness model which has been verified in substance addiction field could be applied to internet game addiction field, then tested wether the effect is moderated by game refusal self-efficacy. 349 gamers aged 13 above participated this study. The results showed that the behavioral activation system boosted the positive game expectancy and then increased the risk of internet game addiction, but the effect was buffered by game refusal self-efficacy. Focused on the results, therapeutic suggestions about current study were discussed.