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Comparing The Effects Of Mental Workload Between Visual And Auditory Secondary Tasks During Laparoscopy, James P. Corcoran
Comparing The Effects Of Mental Workload Between Visual And Auditory Secondary Tasks During Laparoscopy, James P. Corcoran
Psychology Theses & Dissertations
The purpose of this study was to test Wickens’ Multiple Resource Theory (MRT) by comparing performance and subjective workload on a visual-spatial secondary task with an auditory-spatial analog when paired with visual-spatial laparoscopic primary tasks. Two primary tasks were performed with a laparoscopic box trainer: a high workload task that consisted of transferring rings from one peg to another and a low workload task that consisted of grasping and placing large pencil erasers in a bowl. It was predicted that the visual-spatial secondary task would be more sensitive when paired with the laparoscopic primary task than the auditory analog. Findings …
Effects Of Visibility And Alarm Modality On Workload, Trust In Automation, Situation Awareness, And Driver Performance, Smruti J. Shah
Effects Of Visibility And Alarm Modality On Workload, Trust In Automation, Situation Awareness, And Driver Performance, Smruti J. Shah
Psychology Theses & Dissertations
Driving demands sustained driver attention. This attentional demand increases with decreasing field visibility. In the past researchers have explored and investigated how collision avoidance warning systems (CAWS) help improve driving performance. The goal of the present study is to determine whether auditory or tactile CAWS have a greater effect on driver performance, perceived workload, system trust, and situation awareness (SA). Sixty-three undergraduate students from Old Dominion University participated in this study. Participants were asked to complete two simulated driving sessions along with Motion Sickness Susceptibility Questionnaire, Background Information Questionnaire, Trust Questionnaire, NASA Task Load Index Questionnaire, Situation Awareness Rating Technique …
The Effect Of Improvisations And Observations On Standardized Patient Encounters, Subjective Workload And Stress, Elizabeth T. Newlin-Canzone
The Effect Of Improvisations And Observations On Standardized Patient Encounters, Subjective Workload And Stress, Elizabeth T. Newlin-Canzone
Psychology Theses & Dissertations
Standardized patients (SPs) are people trained to present a medical case for teaching and assessing medical students and they simultaneously perform several demanding tasks including portraying the patient, assessing the learner, and providing feedback. This study investigated the effect of improvisations and multiple task performance on the ability to observe another's nonverbal (NV) behaviors and rate their communication skills. Subjective reports of mental workload and stress were also obtained. The first study involved undergraduates interviewing for a job. Type of interview (rote and improvisational) and type of observation (passive and active) were manipulated within groups. Based on theories of attention …
Fatigue's Influence On Workload, Situation Awareness, And Performance In A Military Simulation Of Combat, Carlotta M. Boone
Fatigue's Influence On Workload, Situation Awareness, And Performance In A Military Simulation Of Combat, Carlotta M. Boone
Psychology Theses & Dissertations
Military operations routinely require military personnel to consistently perform their duties over several hours or days. Tasks that require prolonged work can lead to mental fatigue and decreased performance. The transactional model proposes that individuals cope with changes in the environment and maintain performance. This ability to cope is determined by factors of the environment and the individual's personality. One environmental factor that can influence coping is extended task performance. This study examined the effect of extended task performance and its interaction with task difficulty. Participants interacted with the military simulation game Command and Conquer: Generals™ for three hours. They …
A Psychophysiological Assessment Of The Efficacy Of Event-Related Potentials And Electroencephalogram For Adaptive Task Allocation, Lawrence J. Prinzel Iii
A Psychophysiological Assessment Of The Efficacy Of Event-Related Potentials And Electroencephalogram For Adaptive Task Allocation, Lawrence J. Prinzel Iii
Psychology Theses & Dissertations
The present study was designed to test the efficacy of using Electroencephalogram (EEG) and Event-Related Potentials (ERPs) for making task allocations decisions. Thirty-six participants were randomly assigned to an experimental, yoked, or control group condition. Under the experimental condition, a compensatory tracking task was switched between manual and automatic task modes based upon the participant's EEG. ERPs were also gathered to an auditory, oddball task. Participants in the yoked condition performed the same tasks under the exact sequence of task allocations that participants in the experimental group experienced. The control condition consisted of a random sequence of task allocations that …
The Effects Of Automation And Task Difficulty On Crew Coordination, Workload, And Performance, Ruth Coleen Thornton
The Effects Of Automation And Task Difficulty On Crew Coordination, Workload, And Performance, Ruth Coleen Thornton
Psychology Theses & Dissertations
The purposes of this research were two-fold: (1) to assess the reliability and utility of the Aircrew Coordination Observation and Evaluation scales in describing crew coordination behaviors exhibited during flight and (2) to investigate the effects of automation on crew coordination, workload, and performance. Two levels of automation (i.e., presence or absence of an autopilot) and two levels of task difficulty (i.e., presence or absence of wind and turbulence) were combined to yield a 2 x 2 design. Twenty-four two-person crews performed in both levels of automation and one of two levels of task difficulty. The results of the reliability …
The Implications Of Varying Levels Of Task Automation On Workload, Micheline Y. Eyraud
The Implications Of Varying Levels Of Task Automation On Workload, Micheline Y. Eyraud
Psychology Theses & Dissertations
The present study investigated the effects of the addition of automation on task workload. Utilizing a modified secondary task paradigm, the workload which was imposed by three different levels of automation, selected from the continuum of automation on each of two primary tasks, was assessed by comparing performance on a secondary task which remained unaided in all conditions. The levels of automation under investigation in the present study were manual, intermediate, and total aiding. The primary tasks selected for investigation were a sensory-decision making task and compensatory tracking task. A long-term memory task was chosen as the secondary task. It …