Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 26 for “"NASA-TLX"”.
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An Experimental Investigation of the Differences in Subjective Pilot Workload across Simulated and Real Flight Conditions
… The results from the Modified Cooper-Harper and NASA-TLX did not show significance, however, the theoretical implications from the NASA-TLX subscales were of interest. As this is the first study comparing these two environments utilizing subjective workload measures, more research needs to take …
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The Effects of Mindfulness on Anxiety and Cognitive Load in Prelicensure Nursing Learners During Simulation-Based Learning
… cognitive load was measured via the NASA Task Load Index (NASA TLX). Results were compared to assess the MBA’s impact on anxiety and cognitive load, and the relationship between anxiety and cognitive load was analyzed.Findings: The MBA significantly reduced pre-simulation state …
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The Effects of Noise on Speech Intelligibility and Complex Cognitive Performance
… mental workload was assessed using the NASA-TLX and Modified Cooper-Harper (MCH) immediately after the experiment. Results indicated that the communication microphone developed by ATI reduced the noise level at the ear better than the current Gentex microphone. However, the Gentex …
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The Performance Effects of a Low Dose of Caffeine on a Cognitive Vigilance Task
… after the task among caffeine conditions. The NASA TLX was also implemented post-task to evaluate task difficulty between caffeine conditions.</p>
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Seeing Through the Headset: How Immersion Levels Shape User Experience in VR and AR-Assisted Physiotherapy
… order. Quantitative evaluation used the SUS, NASA-TLX, UES-SF, and SSQ, with paired statistical analyses and Holm-Bonferroni correction. No statistically reliable between-condition differences were observed after correction. Qualitative findings showed that user experience was shaped primarily …
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An experimental investigation of sensory feedback methods within teleoperation robotic systems
… time, error rate, perceived workload (using NASA-TLX) and frustration. A 24 participant study is presented, with results demonstrating no significant findings in relation to the reduction of task completion time and error rate with the additional feedback systems. However, there are …
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The Effectiveness of Augmented Reality for Astronauts on Lunar Missions: An Analog Study
… tasks. Results from the usability survey, NASA-TLX, and usability interview suggested that augmented reality could support astronaut missions by means of reduced workload and task errors. Usability data information collected from the participants sought to improve on the user interface and …
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Eye Tracking as a Control Interface for Tele-Operation During a Visual Search Task
… objective, electroencephalogram, and subjective (NASA-TLX) measures to reflect both workload and situation awareness during tele-operation. The results showed a significant reduction in mental workload, as reflected by EEG measures. However a significant effect was found where the operators’ …
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A Quasi-Experimental Approach for Assessing Air Traffic Controller Workload
… utilized the analysis of data from the NASA-Task Load Index (TLX), observation, and questionnaires. Subjective workload analysis was used and collected from eleven oceanic controllers. Analysis of the NASA-TLX revealed that the use of the Oceanic Data Link system received the highest …
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Communicating expertise in system operation and fault diagnosis to non-experts
… and subjective measures (questionnaires, NASA TLX, and structured interviews) were collected. It was expected that participants who interact with the device + procedural indicators would exhibit the shortest performance time and least errors; however, those who interacted with the simplest …
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A Psychophysiological Assessment of the Efficacy of Event-Related Potentials and Electroencephalogram for Adaptive Task Allocation
… significantly lower tracking errors scores and NASA-TLX ratings than participants in either the yoked or control group conditions. Furthermore, the amplitudes of the N1 and P3 ERP components were significantly larger under the experimental group condition than under either the yoked or control …
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Predicting Inattentional Blindness with Pupillary Response in a Simulated Flight Task
… and Autonomous Vehicle Systems Laboratory at NASA Langley Research Center. Specifically, 60 subjects (29 male, with normal or corrected-to-normal vision, mean age of 34.5 years (SD = 13.3) were randomly assigned to one of three automation conditions (full automation, partial automation, and …
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A Depth-Guided Annotation Tool for B-Line Quantification in Lung Ultrasound
… SUS score: 83.2) and reduced cognitive workload (NASA-TLX). Qualitative feedback further highlighted the tool’s utility as both a reproducible annotation platform and an effective educational aid. The AnnotateUltrasound module is already in use by clinicians, including researchers at …
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The effect of a lower-Body exoskeleton on physical and cognitive warfighter performance
… audio reaction time, incremental lag time, and NASA-TLX scores. Key findings were differences between exoskeleton conditions, loading settings, and the Subject*Condition interaction effect. Subjects did the best at the follow task with OFF, second-best with PWR, and third-best with UNP. Changes …
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Enhancing Online Yoga Instruction: Evaluating the Effectiveness of Visual Augmentations for Performance Assessment
… completed a usability questionnaire and NASA - TLX rating. Upon finishing all trials, instructors provided overall feedback on the usability of the visual augmentations and camera views Instructors showed no significant difference in their assessment performance across different visual …
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The effects of exercise intensity and cognitive load on acute changes in attention and vigilance in healthy young adults
… a choice reaction time test (CRT) and the NASA-task load index (NASA-TLX). The SART was used to assess changes in attention and vigilance before and immediately after, and 15, 30, 45 and 60-min after each exercise session. Intensity of exercise was not different between PC and CC cycling …
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Experimental Evaluation of Merged-View Systems and VR-Based Reconstruction Approaches for Enhanced Mining Vehicle Teleoperation
… broader and more adaptive scanning. The NASA Task Load Index (NASA-TLX), a widely used subjective workload assessment tool, indicated a 27 % reduction in perceived workload. Regression-based sensitivity analysis showed that gaze entropy was the strongest predictor of efficiency in the …
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Mental Workload in Personal Information Management: Understanding PIM Practices Across Multiple Devices
… workload measures obtained using the subjective NASA TLX scale were able to discriminate between tasks, but not between the two conditions in each task. Task-Evoked Pupillary Response, a continuous measure, was sensitive to changes within each task. For the Files task, a significant increase in …
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Assessing the Effectiveness of Workload Measures in the Nuclear Domain
… nuclear. Results showed that only two measures (NASA-TLX frustration and fNIR) were sufficiently effective at indicating workload changes between the three task types in the nuclear domain, but many measures were statistically significant. The results of this research effort combined with the …
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Auditory-Based Supplemental Information Processing Demand Effects on Driving Performance
… awareness probe question and a modified NASA-TLX question set. Results showed that drivers demonstrated a general decrease in their ability to maintain their lateral position with increased task complexity. Additionally, speed and following distance were less stable during tasks. During …
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