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The Effects of Multiple Presentation Formats on Subjective Mental Workload Rating Scale Techniques in Multimedia Educational Environments.

作者:David T Windell,
畢業學校:NCSU
出版單位:NCSU
核准日期:2007-01-30
類型:Electronic Thesis or Dissertation
權限:unrestricted.I hereby certify that, if appropriate, I have obtained and attached hereto a written permission statement from the owner(s) of each third party copyrighted matter to be included in my th....

英文摘要

WINDELL, DAVID THOMAS. The Effects of Multiple Presentation Formats on Subjective Mental Workload Rating Scale Techniques in Multimedia Educational Environments. (Under the direction of Dr. Eric Wiebe and Dr. Sharolyn Lane.)
Cognitive Load Theory focuses on several assessment techniques to assess overall cognitive load, including its three-subclasses, and its relationship to learning. Methods include psychophysical and secondary task techniques, along with task performance and self-report. The current study looks to review two popular self-report measures (NASA Task Load indeX, and a short subjective instrument) and identify not only if they are consistent with one another, but also to discover whether both are equally sensitive across changes in levels of cognitive load subclasses. The two subclasses looked at in this study are intrinsic load, which is related to element interactivity, and extraneous load, which is influenced by the instructional design itself. Results from this study indicate that the NASA-Task Load index, as a weighted multi-dimensional rating scale, differs in measurement of the demands faced by learners in a PC-based, multimedia-learning environment from the more traditional, single-questions short subjective instrument.


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