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A Comparison Study on Visualization ...

Sahu, Vikas.

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A Comparison Study on Visualization Design Preferences to Monitor First Responders' Health.

Record Type:	Electronic resources : Monograph/item
Title/Author:	A Comparison Study on Visualization Design Preferences to Monitor First Responders' Health./
Author:	Sahu, Vikas.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2019,
Description:	112 p.
Notes:	Source: Masters Abstracts International, Volume: 80-11.
Contained By:	Masters Abstracts International80-11.
Subject:	Information Technology. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=13861054
ISBN:	9781392098387

A Comparison Study on Visualization Design Preferences to Monitor First Responders' Health.
Sahu, Vikas.

A Comparison Study on Visualization Design Preferences to Monitor First Responders' Health. - Ann Arbor : ProQuest Dissertations & Theses, 2019 - 112 p.

Source: Masters Abstracts International, Volume: 80-11.

Thesis (M.S.)--University of Nebraska at Omaha, 2019.

This item must not be sold to any third party vendors.

This thesis investigates whether graphical representation of first responders' critical parameters align better with the individual's mental model than textual representation to perform human health assessment during life threatening incidents such as hazardous material spills and contaminants. The study also inquired whether graphical visualizations are preferred over textual visualizations for representation of critical health parameters during such emergencies. A mixed method comparison study was employed. Three textual and three graphical visualizations for each health parameter (e.g. air pack level, body temperature, and heart rate) were developed using standard human computer interaction and usability guidelines, and feedback from expert user interface designers. A total of 54 emergency management students participated to evaluate these visualizations through a survey with scenario-based questions. Hypothesis testing was used to analyze quantitative data which included responses to the survey questions related to mental model association and user preference assessment. Sentiment analysis was used to analyze qualitative data that comprised of the responses to two open-ended questions regarding pros, cons, and limitations of each category of visualization. The results revealed that textual visualizations align differently with the individual's mental model than graphical visualizations for all three critical parameters. It was also concluded that for air pack level and body temperature, the users showed mixed preference between textual and graphical visualizations. But for heart rate, users preferred textual visualizations over graphical counterparts. The significance of this study will be realized through the findings that may be used to improve the user interface representation of critical parameters. This may enable the incident commander to make faster and more accurate decisions regarding safe monitoring and evacuation of first responders from an incident site in case of probable dangers or health-related issues.

ISBN: 9781392098387Subjects--Topical Terms:

1030799
Information Technology.

A Comparison Study on Visualization Design Preferences to Monitor First Responders' Health.
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245 1 0 $a A Comparison Study on Visualization Design Preferences to Monitor First Responders' Health.
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500 $a Publisher info.: Dissertation/Thesis.
500 $a Advisor: Fruhling, Ann L.
502 $a Thesis (M.S.)--University of Nebraska at Omaha, 2019.
506 $a This item must not be sold to any third party vendors.
520 $a This thesis investigates whether graphical representation of first responders' critical parameters align better with the individual's mental model than textual representation to perform human health assessment during life threatening incidents such as hazardous material spills and contaminants. The study also inquired whether graphical visualizations are preferred over textual visualizations for representation of critical health parameters during such emergencies. A mixed method comparison study was employed. Three textual and three graphical visualizations for each health parameter (e.g. air pack level, body temperature, and heart rate) were developed using standard human computer interaction and usability guidelines, and feedback from expert user interface designers. A total of 54 emergency management students participated to evaluate these visualizations through a survey with scenario-based questions. Hypothesis testing was used to analyze quantitative data which included responses to the survey questions related to mental model association and user preference assessment. Sentiment analysis was used to analyze qualitative data that comprised of the responses to two open-ended questions regarding pros, cons, and limitations of each category of visualization. The results revealed that textual visualizations align differently with the individual's mental model than graphical visualizations for all three critical parameters. It was also concluded that for air pack level and body temperature, the users showed mixed preference between textual and graphical visualizations. But for heart rate, users preferred textual visualizations over graphical counterparts. The significance of this study will be realized through the findings that may be used to improve the user interface representation of critical parameters. This may enable the incident commander to make faster and more accurate decisions regarding safe monitoring and evacuation of first responders from an incident site in case of probable dangers or health-related issues.
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