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Full-Text Articles in Education

Pedagogical Agents’ Personas: Which Affects More, Image Or Voice?, Yanghee Kim, A. L. Baylor, G. Reed Oct 2004

Pedagogical Agents’ Personas: Which Affects More, Image Or Voice?, Yanghee Kim, A. L. Baylor, G. Reed

Yanghee Kim

The purpose of this study was to examine the effects of image and voice of pedagogical agents on student perception and learning. Pedagogical agents were developed with differing image (expert-like vs. mentor-like) and voice (strong vs. calm vs. computer-generated), but with identical gesture, affect, comments, and gender. 109 undergraduates in a computer literacy course were randomly assigned to one of the six conditions. The results revealed a significant main effect for agent image on role perception: the mentor-like image was perceived as more motivating, as hypothesized. Also, there was a significant main effect for voice: the strong voice was overall ...


Coverage: Findings From A National Sample Of Introductory Psychology Syllabi, Scott C. Bates Jan 2004

Coverage: Findings From A National Sample Of Introductory Psychology Syllabi, Scott C. Bates

Psychology Faculty Publications

No abstract provided.


Reduced Risk Of Alzheimer's Disease In Users Of Antioxidant Vitamin Supplements: The Cache County Study, Peter P. Zandi, James C. Anthony, Ara S. Khachaturian, Stephanie V. Stone, Deborah Gustafson, Joann T. Tschanz, Maria C. Norton, John C. S. Breitner Jan 2004

Reduced Risk Of Alzheimer's Disease In Users Of Antioxidant Vitamin Supplements: The Cache County Study, Peter P. Zandi, James C. Anthony, Ara S. Khachaturian, Stephanie V. Stone, Deborah Gustafson, Joann T. Tschanz, Maria C. Norton, John C. S. Breitner

Psychology Faculty Publications

Background: Antioxidants may protect the aging brain against oxidative damage associated with pathological changes of Alzheimer disease (AD). Objective: To examine the relationship between antioxidant supplement use and risk of AD. Design: Cross-sectional and prospective study of dementia. Elderly (65 years or older) county residents were assessed in 1995 to 1997 for prevalent dementia and AD, and again in 1998 to 2000 for incident illness. Supplement use was ascertained at the first contact. Setting: Cache County, Utah. Participants: Among 4740 respondents (93%) with data sufficient to determine cognitive status at the initial assessment, we identified 200 prevalent cases of AD ...