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Reeve Goodenough: The Geometric Field of View and Speed Perception in a Driving Simulator

Reeve Goodenough will defend his Masters Thesis on Friday September 3rd at 11:15am in Brackett 419

All are welcome to attend.

The title of his thesis is: The Geometric Field of View and Speed Perception in a Driving Simulator

Abstract:

Particularly in the health and rehabilitation sector where cost and space are constraints, practitioners are using smaller driving simulators.  Because these small-footprint driving simulators have a limited projected field of view (PFOV) it is desirable to extend the virtual or geometric field of view (GFOV) beyond that natively afforded by the PFOV.   Changing the PFOV/GFOV ratio has been shown to alter perceived speed.  In order for driving simulation to produce realistic experiences, drivers’ perception of speed should correspond with real world experiences.  The purpose of the current research was to better understand the relationship between speed perception and the GFOV/PFOV ratio in a way that would be useful to simulation practitioners using a small-footprint driving simulator.  Participants performed a speed matching task using different six GFOV conditions while the PFOV was held constant.  Three target speeds were presented in appropriate simulated environments: 25mph in a residential area, 45mph in a commercial area, and 65mph on a freeway.  Perceived speed was found to increase with larger GFOVs.  However, no GFOV tested produced accurate speed perception; on average, all participants underestimated their speeds using all GFOVs.  A regression was used to estimate at which GFOV error in speed production would approach zero.  Subjective data collected regarding participant strategy, perceived accuracy, and their awareness of different GFOV conditions are also discussed.

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Gary Giumetti: Applicant self-selection during the hiring process: Developing and testing a model of applicant withdrawal…

Title: Applicant self-selection during the hiring process: Developing and testing a model of applicant withdrawal.

Date/Location: Monday, August 23rd, 2010 @ 11:00 AM, Brackett 419.

Abstract: The purpose of the current study is to develop a model of applicant withdrawal from the selection process and test components of this model with an applied sample. In the paper that follows, several theoretical frameworks are reviewed which provide guidance for the current study. Predictors of withdrawal are identified based on prior research and theory and hypotheses and research propositions are offered. Specifically, it is proposed that selection process features, applicant perceptions, employment background characteristics, individual differences, and outsider influence will play an important role in predicting applicant withdrawal intentions and actual withdrawal behavior. The proposed study will involve data collected from applicants to a production position at a large southeastern manufacturing company. Data will be analyzed using regression, including logistic, mediated, and moderated regression analyses.

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Eric McKibben: The Relationship between Mood, Emotional Labor, Ego Depletion, and Customer Outcomes over Time

A Dissertation Defense
Eric S. McKibben
June 24, 2010
Brackett 419
1:00pm

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Rachel Rosenberg: The Effects of Headlight Intensity and Clothing Contrast on Pedestrians’…

Rachel Rosenberg will be defending her thesis “The Effects of Headlight Intensity and Clothing Contrast on Pedestrians’ Own Estimated Recognition Distances at Night” on Thursday 5/27 @ 12:30, Brackett 419.

All are welcome to attend.

Title: The Effects of Headlight Intensity and Clothing Contrast on Pedestrians’ Own Estimated Recognition Distances at Night

Abstract: Inadequate pedestrian detection is a crucial contributing factor in fatal nighttime collisions involving pedestrians. Pedestrians typically overestimate how recognizable they are to oncoming drivers and little is known about what affects pedestrians’ estimates of how recognizable they think they are. This study explored the extent to which pedestrians believed their conspicuity was affected by headlight intensity and clothing reflectance. Participants in four clothing conditions and in four different levels of headlight intensity walked to and from a parked vehicle until they felt recognizable to the driver. Estimated recognition distances did not change with variations in headlight intensity, suggesting that pedestrians do not use headlight illumination when judging their own conspicuity. Participants estimated shorter recognition distances when in Black clothing compared to more reflective clothing. These findings indicate a need to educate pedestrians about night visibility issues.

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Alex Walker: Predicting team workload and performance using team autonomic activity

Alex Walker will be defending his dissertation “PREDICTING TEAM WORKLOAD AND PERFORMANCE USING TEAM AUTONOMIC ACTIVITY” on Thursday May 27th at 10 am in Brackett Room 419.

All are welcome to attend.

Abstract
The development of a team measure of autonomic activity has a wide variety of applications.  During team training, an index of team autonomic activity could potentially have added value for real-time feedback, team selection and performance evaluation.  The primary purpose of this study was to investigate the relation between autonomic activity measures, workload, and performance, on both an individual and team level.  Specifically, this study sought to determine whether changes in workload could be detected in measures of autonomic activity and whether changes in the autonomic measures related to changes in performance.   34 teams of two (35 males, 33 females) completed a processing plant simulation during 4 varying levels of individual and team difficulty.  Sympathetic and parasympathetic nervous system activity was measured throughout the task using an electrocardiogram (ECG) and an impedance cardiogram (ICG), in addition to the NASA-TLX.  SNS and PNS measures were combined to produce a team autonomic activity measure that was used to predict team workload and performance. Results showed that workload and performance varied across the task difficulty levels with higher difficulty producing higher workload and worse performance.  Regressions conducted predicting team performance from team autonomic activity showed that team autonomic activity accounted for 10% of the variance in team performance scores. Further exploratory analyses showed interesting relations between autonomic activity and performance when examining the task difficulty levels separately. These analyses discovered that during the mixed individual difficulty levels, one team member’s physiology was consistently correlated with the other team member’s performance.   In conclusion, the current study showed that team performance can be predicted from team autonomic activity, and that individual team member physiology has the potential to provide an index of other team related behaviors.

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Nicole Fink: Prospective Memory in the Nursing Environment: Effects of Type of Prospective…

Nicole Fink will defend her thesis on Thursday, May 27th at 3:00pm in Brackett 419.

All are welcome to attend.

Thesis title: Prospective Memory in the Nursing Environment: Effects of Type of Prospective Task and Prospective Load

Abstract: The nursing environment is replete with event-based and time-based prospective memory (PM) tasks (i.e. high prospective load). However, the effects of time-based prospective load, prospective load in naturalistic settings, and prospective load with unique retrospective components for each PM task remains unknown. To address this gap, the current study used a mockup patient room setting to examine the effects of PM type (event-based or time based) and PM load (1 vs. 4 tasks with unique prospective and retrospective components) on ongoing task and PM task performance. Registered nurses completed an ongoing documentation task while also remembering to perform 1 or 4 PM nursing tasks at a certain time (time-based) or certain patient name (event-based). Results indicated that having an event-based intention decreased performance on the prospective component of the PM task and slowed performance on the ongoing task. Having a time-based intention in the one load condition positively affected timeliness of performing PM task and number of records completed. Performance on the retrospective components of the PM task was equal across groups, but post retrospective recall of tasks was worse in the high prospective load conditions.

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Lindsay Sears: Predictors and Outcomes of Occupational Commitment Profiles among Nurses

  • Date/Location: Wednesday, May 19th, 9:00AM, Brackett 419
  • Title: Predictors and Outcomes of Occupational Commitment Profiles among Nurses
  • Committee: Bob Sinclair, Tom Britt, DeWayne Moore, Patrick Rosopa

Abstract:

Occupational turnover is a costly problem afflicting much of the nursing industry, and occupational commitment is a strong predictor of withdrawal from one’s profession. Traditional organizational research examines most commitment-behavior relationships from a variable-centered perspective, focusing on the relationships between constructs. The present study adopts a configural, or person-centered approach aimed at identifying and describing clusters of individuals who share a similar occupational commitment mindsets. The current paper focuses on the predictors of profile membership as well as differences in withdrawal from the nursing profession across profiles. The present study extends current literature by a) proposing and confirming the existence of several theory-based occupational commitment profiles and describing member characteristics within each profile; b) examining situational and personal predictors of profile membership; and c) investigating differences in occupational withdrawal intentions across the occupational commitment profiles. I propose to examine these questions longitudinally using Latent Profile Analysis (LPA; or latent mixture modeling) in an archival data set of Registered Nurses from different organizations in the Northwestern United States. The findings from this study are expected to provide support for configural approaches to commitment research and guide future research aimed at resolving the nursing shortage.

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Margaux Price: Complex Decision Support for Older Adults: Effects of Information Visualization…

Margaux Price will defend her thesis proposal on Friday, May 14th at 9:00am in Brackett 419.

All are welcome to attend.

Thesis title: Complex Decision Support for Older Adults:  Effects of Information Visualization on Decision Performance

Abstract: Older adults are faced with complex decision tasks that impose high working memory demands. A representative task is choosing a prescription drug plan from a multitude of options that must be evaluated along many factors. The combined effect of the quantity of complex information, and reduced working memory capacity puts older adults at a disadvantage. However, research with younger adults suggests that the working memory burden of decision tasks can be reduced using well-designed, graphical decision aids (i.e., environmental supports). The current study examines the use of environmental supports to support complex decision-making for older adults. Two experiments are proposed; experiment 1 will assess information visualizations that reduce the working memory demands of the task. The second experiment will validate the efficacy of the information visualization in an older adult group. Findings from this study will be used to make recommendations for visualizations as complex decision support systems.

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Elizabeth Conde-Evans: “Who’s the boss? The Gender Stereotypes on Perceptions of Leaders…

“Who’s the boss? The Gender Stereotypes on Perceptions of Leaders and the Likelihood of Engaging in Organizational Citizenship Behaviors” by Elizabeth Conde-Evans.

Friday, April 30, 2010
11:30 AM
Brackett 419

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Stacy A. Balk: The Accuracy of Observers’ Estimates of the Effect of Glare on Nighttime Vision…

“The Accuracy of Observers’ Estimates of the Effect of Glare on Nighttime Vision: Do We Exaggerate the Disabling Effects of Glare? ” by Stacy A. Balk.

Tuesday, April 20, 2010
8:45 AM
Cooper Library – Brown Room (conference room to the right of main lobby)

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