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Human Factors

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https://www.readbyqxmd.com/read/29328781/normalization-of-deviation-quotation-error-in-human-factors
#1
Jordan Lock, Chris Bearman
Objective The objective of this paper is to examine quotation error in human factors. Background Science progresses through building on the work of previous research. This requires accurate quotation. Quotation error has a number of adverse consequences: loss of credibility, loss of confidence in the journal, and a flawed basis for academic debate and scientific progress. Quotation error has been observed in a number of domains, including marine biology and medicine, but there has been little or no previous study of this form of error in human factors, a domain that specializes in the causes and management of error...
January 1, 2018: Human Factors
https://www.readbyqxmd.com/read/29320232/barriers-to-the-adoption-of-wearable-sensors-in-the-workplace-a-survey-of-occupational-safety-and-health-professionals
#2
Mark C Schall, Richard F Sesek, Lora A Cavuoto
OBJECTIVE: To gather information on the (a) types of wearable sensors, particularly personal activity monitors, currently used by occupational safety and health (OSH) professionals; (b) potential benefits of using such technologies in the workplace; and (c) perceived barriers preventing the widespread adoption of wearable sensors in industry. BACKGROUND: Wearable sensors are increasingly being promoted as a means to improve employee health and well-being, and there is mounting evidence supporting their use as exposure assessment and personal health tools...
January 1, 2018: Human Factors
https://www.readbyqxmd.com/read/29320216/legibility-of-text-and-pictograms-in-variable-message-signs-can-single-word-messages-outperform-pictograms
#3
Javier Roca, Beatriz Insa, Pilar Tejero
OBJECTIVE: The current research shows the advantage of single-word messages in the particular case of variable message signs (VMSs) with a high aspect ratio. BACKGROUND: Early studies on traffic sign design proposed that pictorial information would advantage equivalent text messages in static signs. METHOD: We used a driving simulator to present individually 36 VMSs, showing six words (e.g., "congestion") and six danger signs (e.g., congestion traffic sign)...
January 1, 2018: Human Factors
https://www.readbyqxmd.com/read/29283269/why-do-i-have-to-drive-now-post-hoc-explanations-of-takeover-requests
#4
Moritz K├Ârber, Lorenz Prasch, Klaus Bengler
OBJECTIVE: It was investigated whether providing an explanation for a takeover request in automated driving influences trust in automation and acceptance. BACKGROUND: Takeover requests will be recurring events in conditionally automated driving that could undermine trust as well as acceptance and, therefore, the successful introduction of automated vehicles. METHOD: Forty participants were equally assigned to either an experimental group provided with an explanation of the reason for a takeover request or a control group without explanations...
December 1, 2017: Human Factors
https://www.readbyqxmd.com/read/29244534/assessing-infant-carriage-systems-ground-reaction-force-implications-for-gait-of-the-caregiver
#5
Mathew B Brown, Caroline J Digby-Bowl, Samuel D Todd
Objective To assess the acute alterations of anterior infant carriage systems on the ground reaction force experienced during over-ground walking. Background Previous research has identified the alterations in posture and gait associated with an increased anterior load (external or internal); however, the forces applied to the system due to the altered posture during over-ground walking have not been established. Method Thirteen mixed gender participants completed 45 over-ground walking trials at a self-selected pace under three loaded conditions (unloaded, semi-structured carrier 9...
December 1, 2017: Human Factors
https://www.readbyqxmd.com/read/29244530/establishing-measurement-equivalence-across-computer-and-paper-based-tests-of-spatial-cognition
#6
Shannon K T Bailey, Alexis R Neigel, Lindsay Y Dhanani, Valerie K Sims
Objective The purpose of the present research is to establish measurement equivalence and test differences in reliability between computerized and pencil-and-paper-based tests of spatial cognition. Background Researchers have increasingly adopted computerized test formats, but few attempt to establish equivalence for computer-based and paper-based tests. The mixed results in the literature on the test mode effect, which occurs when performance differs as a function of test medium, highlight the need to test for, instead of assume, measurement equivalence...
December 1, 2017: Human Factors
https://www.readbyqxmd.com/read/29241017/older-adult-multitasking-performance-using-a-gaze-contingent-useful-field-of-view
#7
Nathan Ward, John G Gaspar, Mark B Neider, James Crowell, Ronald Carbonari, Hank Kaczmarski, Ryan V Ringer, Aaron P Johnson, Lester C Loschky, Arthur F Kramer
Objective We implemented a gaze-contingent useful field of view paradigm to examine older adult multitasking performance in a simulated driving environment. Background Multitasking refers to the ability to manage multiple simultaneous streams of information. Recent work suggests that multitasking declines with age, yet the mechanisms supporting these declines are still debated. One possible framework to better understand this phenomenon is the useful field of view, or the area in the visual field where information can be attended and processed...
December 1, 2017: Human Factors
https://www.readbyqxmd.com/read/29202248/bag-valve-mask-ventilation-as-a-perceptual-cognitive-skill
#8
Joel M Mumma, Francis T Durso, Michelle Dyes, Rogelio Dela Cruz, Valerie P Fox, Mary Hoey
Objective This study used a high-fidelity infant mannequin to examine the relationship between the quality of bag valve mask ventilation (BVMV) and how providers of varying levels of experience use visual feedback (e.g., electronic vital signs) to guide their performance. Background BVMV is a common and critical procedure for managing pediatric respiratory emergencies. However, providers do not consistently deliver effective BVMV. Efforts to improve BVMV have ignored the question of how providers effectively use feedback often available during BVMV...
December 1, 2017: Human Factors
https://www.readbyqxmd.com/read/29193993/effects-of-anthropometric-variables-and-seat-height-on-automobile-drivers-preferred-posture-with-the-presence-of-the-clutch
#9
Junfeng Peng, Xuguang Wang, Lisa Denninger
Objective The effects of seat height and anthropometric dimensions on drivers' preferred postures were investigated using a multiadjustable vehicle mock-up with a large number of adjustments and extended ranges. Background Many studies have been conducted on preferred driving posture under different test conditions showing mixed and even contradictory findings. No studies thus far have considered the clutch and compared Chinese and European drivers. Method Four seat height conditions were tested: free and three imposed heights (250, 300, and 350 mm)...
December 1, 2017: Human Factors
https://www.readbyqxmd.com/read/29193997/predicting-airport-screening-officers-visual-search-competency-with-a-rapid-assessment
#10
Stephen R Mitroff, Justin M Ericson, Benjamin Sharpe
Objective The study's objective was to assess a new personnel selection and assessment tool for aviation security screeners. A mobile app was modified to create a tool, and the question was whether it could predict professional screeners' on-job performance. Background A variety of professions (airport security, radiology, the military, etc.) rely on visual search performance-being able to detect targets. Given the importance of such professions, it is necessary to maximize performance, and one means to do so is to select individuals who excel at visual search...
November 1, 2017: Human Factors
https://www.readbyqxmd.com/read/29185818/teaming-with-a-synthetic-teammate-insights-into-human-autonomy-teaming
#11
Nathan J McNeese, Mustafa Demir, Nancy J Cooke, Christopher Myers
Objective Three different team configurations are compared with the goal of better understanding human-autonomy teaming (HAT). Background Although an extensive literature on human-automation interaction exists, much less is known about HAT in which humans and autonomous agents interact as coordinated units. Further research must be conducted to better understand how all-human teams compare to HAT. Methods In an unmanned aerial system (UAS) context, a comparison was made among three types of three-member teams: (1) synthetic teams in which the pilot role is assigned to a synthetic teammate, (2) control teams in which the pilot was an inexperienced human, and (3) experimenter teams in which an experimenter served as an experienced pilot...
November 1, 2017: Human Factors
https://www.readbyqxmd.com/read/29161154/effects-of-gloves-and-pulling-task-on-achievable-downward-pull-forces-on-a-rung
#12
Kurt E Beschorner, Gregory P Slota, Erika M Pliner, Egli Spaho, Na Jin Seo
Objective We examined the impacts of pulling task (breakaway and pull-down tasks at different postures), glove use, and their interaction on achievable downward pull forces from a ladder rung. Background Posture, glove use, and the type of pulling task are known to affect the achievable forces. However, a gap in the literature exists regarding how these factors affect achievable downward pulling forces, which are relevant to recovery from a perturbation during ladder climbing. Methods Forty subjects completed four downward pulling tasks (breakaway force; pull force at maximum height, shoulder height, and a middle height), using three glove conditions with varying coefficient of friction (COF) levels (cotton glove, low COF; bare hand, moderate COF; and latex-coated glove, high COF) with their dominant and nondominant hand...
November 1, 2017: Human Factors
https://www.readbyqxmd.com/read/29141158/the-combined-effect-of-cold-and-moisture-on-manual-performance
#13
Matthew Ray, Elizabeth Sanli, Robert Brown, Kerri Ann Ennis, Heather Carnahan
Objective The aim of this study was to investigate the combined effect of cold and moisture on manual performance and tactile sensitivity. Background People working in the ocean environment often perform manual work in cold and wet conditions. Although the independent effects of cold and moisture on hand function are known, their combined effect has not been investigated. Method Participants completed sensory (Touch-Test, two-point discrimination) and motor (Purdue Pegboard, Grooved Pegboard, reef knot untying) tests in the following conditions: dry hand, wet hand, cold hand, and cold and wet hand...
November 1, 2017: Human Factors
https://www.readbyqxmd.com/read/29131661/validation-of-essential-acoustic-parameters-for-highly-urgent-in-vehicle-collision-warnings
#14
Bridget A Lewis, Jesse L Eisert, Carryl L Baldwin
Objective The aim of this study was to validate the importance of key acoustic criteria for use as in-vehicle forward collision warning (FCW) systems. Background Despite recent advances in vehicle safety, automobile crashes remain one of the leading causes of death. As automation allows for more control of noncritical functions by the vehicle, the potential for disengagement and distraction from the driving task also increases. It is, therefore, as important as ever that in-vehicle safety-critical interfaces are intuitive and unambiguous, promoting effective collision avoidance responses upon first exposure even under divided-attention conditions...
November 1, 2017: Human Factors
https://www.readbyqxmd.com/read/29131659/stress-outcomes-of-four-types-of-perceived-interruptions
#15
Keaton A Fletcher, Sean M Potter, Britany N Telford
Objective We sought to define and measure four types of perceived interruptions and to examine their relationships with stress outcomes. Background Interruptions have been defined and measured in a variety of inconsistent ways. No study has simultaneously examined the subjective experience of all types of interruptions. Method First, we provide a synthesized definition and model of interruptions that aligns interruptions along two qualities: origin and degree of multitasking. Second, we create and validate a self-report measure of these four types of perceived interruptions within two samples (working undergraduate students and working engineers)...
November 1, 2017: Human Factors
https://www.readbyqxmd.com/read/29091473/an-exploratory-electromyography-based-coactivation-index-for-the-cervical-spine
#16
Peter Le, Alexander Aurand, Thomas M Best, Safdar N Khan, Ehud Mendel, William S Marras
Objective Develop a coactivation index for the neck and test its effectiveness with complex dynamic head motions. Background Studies describing coactivation for the cervical spine are sparse in the literature. Of those in existence, they were either limited to a priori definitions of agonist/antagonist activity that limited the testing to sagittal and lateral planes or consisted of isometric exertions. Multiplanar movements would allow for a more realistic understanding of naturalistic movements in the cervical spine and propensity for neck pain...
November 1, 2017: Human Factors
https://www.readbyqxmd.com/read/29091463/falls-from-agricultural-machinery-risk-factors-related-to-work-experience-worked-hours-and-operators-behavior
#17
Federica Caffaro, Michele Roccato, Margherita Micheletti Cremasco, Eugenio Cavallo
Objective We investigated the risk factors for falls when egressing from agricultural tractors, analyzing the role played by worked hours, work experience, operators' behavior, and near misses. Background Many accidents occur within the agricultural sector each year. Among them, falls while dismounting the tractor represent a major source of injuries. Previous studies pointed out frequent hazardous movements and incorrect behaviors adopted by operators to exit the tractor cab. However, less is known about the determinants of such behaviors...
November 1, 2017: Human Factors
https://www.readbyqxmd.com/read/29058950/development-of-a-seating-comfort-questionnaire-for-motorcycles
#18
Sai Praveen Velagapudi, Gaur Gopal Ray
Objective The aim of this study is to develop a reliable and valid Motorcycle Seating Comfort Questionnaire (MSCQ). Background Motorcycle seat development is an iterative process based on subjective evaluations; however, there are no established subjective tools for evaluation of seating comfort. Research also suggests that seating comfort in motorcycles is poor and needs improvement. The development of a MSCQ therefore is an important step that can enable further research and aid in improving the design of motorcycle seats...
December 2017: Human Factors
https://www.readbyqxmd.com/read/28982016/land-ahoy-understanding-submarine-command-and-control-during-the-completion-of-inshore-operations
#19
Aaron P J Roberts, Neville A Stanton, Daniel Fay
OBJECTIVE: The aim of this study was to use multiple command teams to provide empirical evidence for understanding communication flow, information pertinence, and tasks undertaken in a submarine control room when completing higher- and lower-demand inshore operation (INSO) scenarios. BACKGROUND: The focus of submarine operations has changed, and submarines are increasingly required to operate in costal littoral zones. However, submarine command team performance during INSO is not well understood, particularly from a sociotechnical systems perspective...
December 2017: Human Factors
https://www.readbyqxmd.com/read/28925730/impact-of-frequent-interruption-on-nurses-patient-controlled-analgesia-programming-performance
#20
Kristi R Campoe, Karen K Giuliano
OBJECTIVE: The purpose was to add to the body of knowledge regarding the impact of interruption on acute care nurses' cognitive workload, total task completion times, nurse frustration, and medication administration error while programming a patient-controlled analgesia (PCA) pump. BACKGROUND: Data support that the severity of medication administration error increases with the number of interruptions, which is especially critical during the administration of high-risk medications...
December 2017: Human Factors
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