Effects of way finding affordances on usability of virtual world environments in terms of users’ satisfaction, performance, and mental workload: examination by eye-tracking and fnir device

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2012

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Cansız, Yaver

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This study aims to test the effects of different way finding affordances on the usability of METU virtual campus built in Second Life virtual world in terms of users’ satisfaction, performance and mental workload. This study was conducted with 36 participants who are students at the Middle East Technical University. Participants were randomly put on of the five groups namely map, signboard, voice and agent groups and a control group. The participants were given navigational tasks in METU virtual campus within Second Life. In the experiment, the eye movements of the participants were examined with eye tracking tool in order to determine the areas which participants paid attention most. Also mental work load in their prefrontal cortex was examined with fNIR device. There was no significant difference among groups in terms of satisfaction, however; there were significant difference among groups in terms of task completion accuracy, time, length, navigation cue gaze duration and mental workload. Agent group has the highest accuracy score, map group has the highest time, length and navigation cue gaze duration score. Moreover, agent group has the highest mental workload but control group has the lowest mental workload. The results of the tests were used to provide guidance for the design of way finding affordances in METU virtual campus.

Subject Keywords

Educational Tests., Measurements., Evaluations and Examinations.

URI

http://etd.lib.metu.edu.tr/upload/12614261/index.pdf
https://hdl.handle.net/11511/21394

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Graduate School of Natural and Applied Sciences, Thesis

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Citation Formats

Y. Cansız, “Effects of way finding affordances on usability of virtual world environments in terms of users’ satisfaction, performance, and mental workload: examination by eye-tracking and fnir device ,” M.S. - Master of Science, Middle East Technical University, 2012.