This study focuses on the effect of restrictive information display on decision performance. Specifically the study examines whether two-channeled and one non-channeled computerized information display systems result in significant differences in decision accuracy. The two-channeled information display systems are designed to encourage two general information processing patterns commonly observed in the experimental literature examining multi-alternative, multi-attribute choice decisions: information processing by alternative and information processing by attribute. An information display program was developed which used restrictive information display to operationalize the channeled versus non-channeled manipulation. Channeling was implemented either by displaying information only by alternative or by displaying information only by attribute. The task was an operations scheduling problem that subjects completed under three levels of time pressure. The results indicate statistically significant effects on decision accuracy for both the type of information display and time pressure manipulations. The highest decision accuracy was observed when information was displayed by alternative and when subjects were under highest levels of time pressure. Copyright # 2002 John Wiley & Sons, Ltd.key words multi-attribute choice; time pressure; information displays; decision channeling Stabell (1983) states that improving the effectiveness of decisions should be a principal objective for decision aid development. He maintains that the need is not only for a system that works, but also for a system that insures effectiveness. He suggests that effectiveness can be improved through changing the decision process. Silver (1990) provides an extensive discussion of alternative Decision Support System (DSS) designs. He categorized two distinctive approaches: directed change versus non-directed change. In directed change the system designer determines the appropriate normative decision model to be used and designs a system to support or require use of the normative model. In non-directed change the role of the system designer is to provide support for a variety of decision models the decision maker might choose to use, letting the decision maker select which specific system features to utilize. When discussing directed change Silver states:
The importance of team building and teamwork cannot be over emphasized as more work is increasingly performed in teams. The success of teams can be influenced by the makeup of the team and the working relationship between team members. A group of individuals with the same perceptions and team values can form a more effective team with more effective teamwork activities resulting in more successful outcomes. The purpose of this research is to examine the perceptions of international students on teams and determine if culture is related to their perceptions of teams. The international students in a project management course were surveyed, and the findings suggest significant difference in perception of international students about the importance of team building skills and teamwork.
Information technology has greatly impacted the life of everyone in recent years. It is therefore important to be aware of current technology and know how it can improve functional participation in today's society that is better known as the "Information" Society. The purpose is to foster equality in using technology for everyone, able or disabled. Everyone should have equal access to technology and the presence of a disability should not preclude one from this benefit. The purpose of this article is to summarize important developments in computer technology for individuals experiencing disability and to provide a brief explanation of how they can be utilized to promote participation in society.
The number of project management courses in institutions of higher education is increasing to meet the high demand of effective project managers in organizations. Many institutions offer graduate degrees and certificates in project management. Therefore, more online courses in project management are offered in addition to the traditional mode of classroom setting. The purpose of this research is to present the challenges associated with teaching an online project management course, and discuss approaches to enhance learning. The need for a methodology is discussed and components of this methodology are identified for designing and delivering an effective online project management course. The suggested components of the methodology are based on the literature, best practices and experience of the course instructors. Two important propositions in the paper are: a different approach is necessary when teaching an online project management course, and teaching effective teamwork is a significant challenge in an online environment.
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