The experience of flow in computer-mediated and in face-to-face groups
ICIS '91 Proceedings of the twelfth international conference on Information systems
Task-technology fit and individual performance
MIS Quarterly
Journal of End User Computing
Extending the TAM for a World-Wide-Web context
Information and Management
Evaluating the Impact of Dss, Cognitive Effort, and Incentives on Strategy Selection
Information Systems Research
Applying the Technology Acceptance Model and Flow Theory to Online Consumer Behavior
Information Systems Research
Factors influencing the usage of websites: the case of a generic portal in The Netherlands
Information and Management
The development of initial trust in an online company by new customers
Information and Management
Building Effective Online Marketplaces with Institution-Based Trust
Information Systems Research
Convincing DSS users that complex models are worth the effort
Decision Support Systems
Online store image: conceptual foundations and empirical measurement
Information and Management
An empirical investigation of decision-making satisfaction in web-based decision support systems
Decision Support Systems
DSS Effectiveness in Marketing Resource Allocation Decisions: Reality vs. Perception
Information Systems Research
Human Problem Solving
Examining the technology acceptance model using physician acceptance of telemedicine technology
Journal of Management Information Systems - Special section: Strategic and competitive information systems
Information and Management
Expertise visualization: an implementation and study based on cognitive fit theory
Decision Support Systems
Journal of Management Information Systems
The Effect of Web Site Perceptions on Initial Trust in the Owner Company
International Journal of Electronic Commerce
Consumer Behavior in Web-Based Commerce: An Empirical Study
International Journal of Electronic Commerce
International Journal of Electronic Commerce
Trust and TAM in online shopping: an integrated model
MIS Quarterly
User acceptance of hedonic information systems
MIS Quarterly
Information Systems Frontiers
International Journal of Human-Computer Studies
Knowledge matters: Restrictiveness and performance with decision support
Decision Support Systems
Consumer trust and distrust: An issue of website design
International Journal of Human-Computer Studies
ACM Transactions on Computer-Human Interaction (TOCHI)
Linkage of heterogeneous knowledge resources within in-tore dialogue interaction
ISWC'10 Proceedings of the 9th international semantic web conference on The semantic web - Volume Part II
International Journal of Electronic Commerce
Counterfeit Products on the Internet: The Role of Seller-Level and Product-Level Information
International Journal of Electronic Commerce
A design model for knowledge-based pricing services in the retail industry
International Journal of Web Engineering and Technology
A design model for knowledge-based pricing services in the retail industry
International Journal of Web Engineering and Technology
A methodology for content-centered design of ambient environments
DESRIST'10 Proceedings of the 5th international conference on Global Perspectives on Design Science Research
Investigating effectiveness and user acceptance of semantic social tagging for knowledge sharing
Information Processing and Management: an International Journal
An experimental study of user-customized products online: based on regulatory focus theory
Proceedings of the 14th Annual International Conference on Electronic Commerce
Measuring the perceived effectiveness of decision support systems and their impact on performance
Decision Support Systems
Design and evaluation of Ubiquitous Information Systems and use in healthcare
Decision Support Systems
Concept comparison engines: A new frontier of search
Decision Support Systems
Journal of Management Information Systems
International Journal of Business Information Systems
Advice sharing between paired users in online travel planning
Journal of Theoretical and Applied Electronic Commerce Research
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In the decision support systems literature, most studies have concentrated on the direct effects of DSS use and design on decision outcomes and user performance in the workplace. Fewer DSS studies have integrated decision process variables, such as user beliefs and attitudes, in their models. In this paper, we examine the mediating role of decision process variables in the use of an online customer DSS. We do so through an experimental study of an alternative-based and an attribute-based DSS for product customization by online customers. Using cognitive fit and flow theories, we develop a theoretical model with four mediating decision process variables (perceived usefulness, perceived ease of use, perceived enjoyment, and perceived control) and two of their antecedents: interface design (attribute-based versus alternative-based) and task complexity (choice set size). Our results show that the impact of DSS interface design on behavioral intentions is fully mediated by perceived usefulness and perceived enjoyment, although not by perceived control. Specifically, we verify that users of an attribute-based DSS express higher perceived usefulness and perceived enjoyment than users of an alternative-based one. In addition, we find that task complexity has an interesting relationship with usefulness and enjoyment, both of which follow an inverted U-shaped curve as choice set size increases. Finally, we find that for users of the alternative-based DSS, perceived ease of use and perceived control decrease as task complexity increases. However, the attribute-based DSS alleviates that decline for both variables. Among other contributions, our results indicate the importance of including decision process variables when studying DSS as well as the complex effect of task complexity on those variables. Our study also provides some important guidelines for online companies that provide customer DSS on their websites, especially the danger of providing too many product choice options that can overwhelm customers and harm their shopping experience.