Jungjoo Jahng

TL;DR: A conceptual framework to address the issue of consumers in an EC environment finding it difficult to deal with the inherent nature of virtual reality in their interaction is proposed by drawing on insights from contingency research in information systems design and media choice behavior.

TL;DR: The results show that interaction richness has positive impact on consumers’ attitude towards B2C EC, and finds that the impact is stronger in the case of purchasing a high-complexity product than a low- Complexity product, and that consumers' attitude change is positively related with their intention to use business-to-consumer (B2C) EC.

TL;DR: It is suggested that online consumers' personality traits impact effectiveness of the presentation of product information on e-commerce sites and the extent to which the various e- commerce environments are effective, and that rich product information presentation significantly influences the online buying behaviour of intuitive types, rather than sensing and thinking types.

TL;DR: The utilization-based information technology (IT) success model is developed by integrating key variables from IT acceptance and IT success literatures, and empirically validates it, and shows relations among IT utilization, performance expectancy, social influence, and user satisfaction.

TL;DR: Significant support to the "fit" theory in the context of a complex product is obtained, and the influence of " fit" between EC environment and product type on user outcomes was examined.