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With the proliferation of e-commerce, there is growing evidence that online impulse buying is occurring, yet relatively few researchers have studied this phenomenon. This paper reports on two studies that examine how variations in a website influence online impulse buying. The results reveal some relevant insights about this phenomenon. Specifically, although many participants had the urge to buy impulsively, regardless of website quality, this behavior's likelihood and magnitude was directly influenced by varying the quality of task-relevant and mood-relevant cues. Task-relevant cues include characteristics, such as navigability, that help in the attainment of the online consumer's shopping goal. Conversely, mood-relevant cues refer to the characteristics, such as visual appeal, that affect the degree to which a user enjoys browsing a website but that do not directly support a particular shopping goal. The implications of the results for both future research and the design of human-computer interfaces are discussed.

Interruptions are a common aspect of the work environment of most organizations. Yet little is known about how interruptions and their characteristics, such as frequency of occurrence, influence decision-making performance of individuals. Consequently, this paper reports the results of two experiments investigating the influence of interruptions on individual decision making. Interruptions were found to improve decision-making performance on simple tasks and to lower performance on complex tasks. For complex tasks, the frequency of intemptions and the dissimilarity of content between the primary and interruption tasks was found to exacerbate this effect. The implications of these results for future research and practice are discussed.

This paper describes a new theory called a theory of media synchronicity which proposes that a set of five media capabilities are important to group work, and that all tasks are composed of two fundamental communication processes (conveyance and convergence). Communication effectiveness is influenced by matching the media capabilities to the needs of the fundamental communication processes, not aggregate collections of these processes (i.e., tasks) as proposed by media richness theory. The theory also proposes that the relationships between communication processes and media capabilities will vary between established and newly formed groups, and will change over time.

A laboratory experiment was used to evaluate the effects of anonymity and evaluative tone on computer-mediated groups using a group decision support system to perform an idea-generation task. Evaluative tone was manipulated through a confederate group member who entered supportive or critical comments into the automated brainstorming system. Groups working anonymously and with a critical confederate produced the greatest number of original solutions and overall comments, yet average solution quality per item and average solution rarity were not different across conditions. Identified groups working with a supportive confederate were the most satisfied and had the highest levels of perceived effectiveness, but produced the fewest original solutions and overall comments.anonymity, evaluative tone, group problem solving, group decision support system, electronic meeting system

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Research ArticleWith the proliferation of e-commerce, there is growing evidence that online impulse buying is an emerging phenomenon, which has been the focus of researchers from a variety of disciplines. This paper reports on two empirical studies that examine the interplay between a consumer's inherent impulsiveness to buy and website quality. Specifically, consistent with past online impulse buying research, website quality manifests as an environmental cue that directly influences the likelihood that a consumer will experience an urge to buy impulsively. Further, highly impulsive consumers can be both positively and negatively influenced by varying degrees of website quality. Thus, while the objective quality of an e-commerce website is important, the inherent impulsiveness of a consumer is also a critical factor for understanding how and why individuals react impulsively to varying degrees of website quality. The implications of the results for both future research and the design of electronic commerce websites are discussed. many others. He is also the co-author of several the best-selling textbooks and is a leader in designing national curricula and accreditation standards for the information systems discipline.