Abstract
The information system literature has long emphasized the importance of employee acceptance of information technology for achieving the strategic goal of the firm and organizational performance. Consequently, this study investigates the determinants of acceptance of information technology with the extension of diffusion of innovation theory (DOI) in organizational context. Results showed that compatibility, innovativeness, trust in technology, perceived gap in IT capabilities, employee selfefficacy, and perceived cost advantage explained R(boolean AND)2 79.4% variance in achieving strategic goal of the firm. The effect size analysis showed that perceived gap in IT capabilities had substantial effect size. Similarly, substantial predictive relevance was found Q(boolean AND)2 58.1%, 15.7% when predicting firm strategic goals and organizational performance, respectively.