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Human Factors and Ergonomics Society 56th Annual Meeting

Human Factors and Ergonomics Society 56th Annual Meeting

October 22 – 26, 2012
Boston, Massachusetts
https://www.hfes.org/Web/HFESMeetings/2012annualmeeting.html




Relating Perceived Web Page Complexity to Emotional Valence and Eye Movement Metrics

Joe Goldberg
Joe Goldberg

Presenters: Joe Goldberg, Chief Research Scientist, Oracle Application User Experience

Initial impression of visual complexity has major significance for both consumer and enterprise web page designs. Research is still needed, however, before complexity assessment methods can become part of the usability tool arsenal. In this regard, a study was conducted to compare subjective ratings, eye tracking, JPEG-compressed file size, and emotional valence measures. Professional enterprise users conducted search tasks, then judged the complexity of web pages. Multivariate factor analysis was followed by ordinal logistic regressions on subjective ratings. Subjective ratings of page complexity were driven in part by self-perception of search difficulty, and in part by page density. Fixation durations increased and search area decreased with lower complexity ratings. Aggregated emotional valence, from facial analysis, also increased with higher ratings of page clarity. Overall, both pre-attentive eye tracking and emotional valence measures were related to conscious subjective judgments of complexity. Further research is recommended to be able to ascribe complexity-inducing features to measurable qualities.

Date: Wednesday, October 24, 2012
Time: 13:30 - 15:00
Location: TBD




Task-Centered Context Manager for Customer Relationship Management Systems

Presenters: Min Wu, Senior Interaction Designer, Oracle Application User Experience

In the customer relationship management (CRM) environment, agents tend to multitask. But the current CRM systems are not task-centered and therefore hinder the agent's multitasking performance. We proposed the task-centered context manager, which better matches the agent's mental model by focusing on the tasks that an agent is working on. The task-centered context manager automatically creates contexts, each for a separate task. It provides a flexible context switching mechanism for agents to easily go back and forth between tasks. And its priority-driven interface helps agents focus on important tasks. A formative usability evaluation indicated that our task-centered context manager was very well received by participating agents as evidenced by the overall System Usability Scale score of 88.5.

Session: User Experience Day
Date: Wednesday, October 24, 2012
Time: 13:30 - 15:00
Location: TBD

 

 

 

 

 

 

 

 

 

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