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The Effects Of Fatigue On Judgments Of Interproduct Similarity, Michael D. Johnson, Donald R. Lehmann, David A. Horne Jul 2015

The Effects Of Fatigue On Judgments Of Interproduct Similarity, Michael D. Johnson, Donald R. Lehmann, David A. Horne

Michael D. Johnson

Similarity scaling often requires subjects to produce such a large number of judgments that fatigue may become a problem. Yet it remains unclear just how respondent fatigue affects similarity perceptions and resulting judgments. The present study uses a categorization perspective to examine the effects of fatigue on similarity judgments. The results suggest that subjects rely increasingly on category membership as they progress through a similarity judgment task.

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Achieving Change In Students' Attitudes Toward Group Projects By Teaching Group Skills, Lawrence O. Hamer, Robert D. O'Keefe Apr 2013

Achieving Change In Students' Attitudes Toward Group Projects By Teaching Group Skills, Lawrence O. Hamer, Robert D. O'Keefe

Lawrence O. Hamer

Despite the many positive benefits which can be derived from group assignments, faculty members frequently report that students generally dislike being assigned to a group project. This paper reports a quasi-experiment which presented students with information about the relevance and importance of group skills during the time in which they were working on an assigned group project, and then measured the students' attitudes toward group projects. The reported study demonstrates that instructors can alter students' perceptions of group work by incorporating instruction about group skills into group assignments.

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How Incorporating Feedback Mechanisms In A Dss Affects Dss Evaluations, Ujwal Kayande, Arnaud De Bruyn, Gary Lilien, Arvind Rangaswamy, Gerrit Van Bruggen Dec 2008

How Incorporating Feedback Mechanisms In A Dss Affects Dss Evaluations, Ujwal Kayande, Arnaud De Bruyn, Gary Lilien, Arvind Rangaswamy, Gerrit Van Bruggen

Ujwal Kayande

Model-based decision support systems (DSS) improve performance in many contexts that are data-rich, uncertain, and require repetitive decisions. But such DSS are often not designed to help users understand and internalize the underlying factors driving DSS recommendations. Users then feel uncertain about DSS recommendations, leading them to possibly avoid using the system. We argue that a DSS must be designed to induce an alignment of a decision maker’s mental model with the decision model embedded in the DSS. Such an alignment requires effort from the decision maker and guidance from the DSS. We experimentally evaluate two DSS design characteristics that …

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