Academic literature on the topic 'Cognitive Ergonomic'
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Journal articles on the topic "Cognitive Ergonomic"
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Meyer, Anika, and Ina Fourie. "Collaborative information seeking environments benefiting from holistic ergonomics." Library Hi Tech 33, no. 3 (September 21, 2015): 439–59. http://dx.doi.org/10.1108/lht-06-2015-0062.
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Purpose – The purpose of this paper is to explore the value of utilising a holistic ergonomic approach, covering engineering, cognitive and social perspectives, to cultivate beneficial and productive collaborative information seeking (CIS) systems and environments, specifically with regard to three main CIS pillars (control, communication and awareness). Design/methodology/approach – A qualitative research approach, based on a selective corpus of CIS literature, was utilised to perform a content analysis to note if terms and concepts normally associated with engineering, cognitive and social ergonomics can be used to eliminate terms reflecting issues related to three CIS pillars (control, communication and awareness) that can benefit from a holistic ergonomic approach. Findings – The content analysis revealed that a fairly extensive amount of holistic ergonomic terminology is prominent within the CIS literature, therefore establishing a connection between the two disciplines: CIS and ergonomics. This suggests that CIS system issues could benefit from the insights of a holistic ergonomic approach. Research limitations/implications – Since this is an exploratory study the scope of CIS literature utilised in the content analysis was limited to a selection considered most important by the authors; this should be supplemented by further research. Practical implications – Intended to instigate interest in further exploration of the beneficial and productive implications and practical application of holistic ergonomics in designing CIS systems and environments. Originality/value – This is the first research paper in the Library and Information Science literature that explores the potential of utilising holistic ergonomics to cultivate CIS systems and environments.
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Chan, Tam. "An Investigation of Finger and Manual Dexterity." Perceptual and Motor Skills 90, no. 2 (April 2000): 537–42. http://dx.doi.org/10.2466/pms.2000.90.2.537.
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In ergonomics, handgrip has been perceived as one of the most important hand functions; however, other types of functions of the hand are also important to the ergonomist, such as finger and manual dexterity, on which few ergonomic studies have been done. This experiment involved 60 male and female college students whose performance (number of pegs placed into a board in 30 sec.) of finger dexterity were statistically significantly different between the right and left hands and between women and men. The interaction of hand and sex was significant.
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Kretschmer, V., A. Schier, and B. Mättig. "Digitale Assistenten für die Verpackungslogistik/Digital Assistants for the packaging logistics – Study on Cognitive Ergonomics of different digital packing instructions." wt Werkstattstechnik online 108, no. 07-08 (2018): 549–54. http://dx.doi.org/10.37544/1436-4980-2018-07-08-67.
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Zur Unterstützung der Beschäftigten bei manuellen Tätigkeiten in der Intralogistik werden zunehmend mehr technische Assistenzsysteme eingesetzt. Mithilfe digitaler Lösungen sollen Arbeitsprozesse effizienter und ergonomischer werden. In dieser Studie wurde eine Augmented Reality Brille, ein digitaler Packassistent und eine Papierliste beim Verpacken bezüglich Kognitiver Ergonomie verglichen. Die Ergebnisse geben Hinweise auf die mentale und körperliche Arbeitsbelastung, Usability und User Experience. To assist employees during manual activities in intralogistics, an increasing number of new technologies are deployed. With the help of digital solutions, work processes are expected to be more efficient and ergonomic. In this study an Augmented Reality device, a digital packaging assistant and a paper list during packaging were compared regarding cognitive ergonomics. Results give indications on mental and physical workload, usability and user experience.
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Piattelli-Palmarini, Massimo, Roeland Hancock, and Thomas Bever. "Language as ergonomic perfection." Behavioral and Brain Sciences 31, no. 5 (October 2008): 530–31. http://dx.doi.org/10.1017/s0140525x08005219.
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AbstractChristiansen & Chater (C&C) have taken the interactionist approach to linguistic universals to an extreme, adopting the metaphor of language as an organism. This metaphor adds no insights to five decades of analyzing language universals as the result of interaction of linguistically unique and general cognitive systems. This metaphor is also based on an outmoded view of classical Darwinian evolution and has no clear basis in biology or cognition.
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Widya Nurbaeti, Jaenudin, and Iin Indra Nuraeni. "Overview Of Ergonomic Aspects In The Storage Room Sub Section Medical Record Waled General Hospital Cirebon District." Jurnal Kesehatan Mahardika 6, no. 2 (September 1, 2019): 50–53. http://dx.doi.org/10.54867/jkm.v6i2.48.
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In the storage section of the medical recordat the Waled public hospital. there are problems with ergonomics. high shelves cause medical record files difficult to reach and footing aids used in the form of a former wooden table drawer where the risk of falling to the officer at work, and the unavailability of room temperature indicators to measure ideal temperature and humidity as well as lack of lighting and less space stuffy. The purpose of this study was to review aspects of ergonomics in the medical record storage room. The Used of type research is descriptive. The used method is observation. The purpose of this study is to overview ergonomic aspects in the medical record storage room. The procedure for collecting data in this study is by observation and measurement. The used instrument is observation and measurement sheets. The population and samples in this study are medical record storage room and the officers. The used data analysis is univariate analysis. The research was conducted on 16 may 2019 at Waled public hospital of Cirebon district.From the results of the study about ergonomic aspects according to The International Ergonomic Association IEA, 2002 devided ergonomics into 4 categories. Physical ergonomics with percentage value of 80% and environmental ergonomics also with a percentage value of 80% do not meet ergonomics standard. Cognitive ergonomics with percentage value of 100% which has the same value with ergonomic Organization with percentage value of 100% meet ergonomics standard. it is suggested that hospital, especially in the filling room should replace foot pedestal devices, should use iron material ladders to advoid and reduce the risk of falling for officer. Should Install a temperature indicator or hygrometer in medical record storage room. Should Install curtains on glass windows, should clean the floor use a wet cloth to reduce dust and repair damage facilities and infrastructure in filling room.
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Kalaga, Pramila, Marcus Balters, Lynn Crowley, Lisa Paulsen, Laura Peet Erkes, Emily Boes, Emalee Patterson, et al. "Ergonomics and Prevention of Injuries From Needles Sticks and Sharps in the OR." Proceedings of the International Symposium on Human Factors and Ergonomics in Health Care 5, no. 1 (June 2016): 140. http://dx.doi.org/10.1177/2327857916051019.
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Aim: Implement ergonomic process improvement within the OR, to decrease incidence of injuries from sharps and needle sticks among the OR teams. Method: A pre and post intervention design was adopted. The number of reported incidents related to needle sticks and sharps over a seven month period prior to the implementation of the ergonomic process improvement(January to July 2014) and over a seven month period following implementation(January to July 2015), were compared. A participatory approach was adopted, for conducting the study and the study team included an ergonomist, surgery educators, two surgeons, operations leader, department manager, team lead, risk manager and two pre-med students functioning as study assistants. Ergonomics training for the prevention of injuries from sharps and needle sticks was developed, which incorporated physical, cognitive and teamwork measures alongside the prevention measures outlined by AORN and evidence based measures identified following a literature review. The Surgery Educator, the Ergonomist and an Attending Surgeon, participated in delivering the ergonomics injury prevention training. The management, including the Team Lead and OR Manager participated in supporting and facilitating the implementation of the injury prevention measures, where possible, such as double gloving; safe passing zones; verbal feedback; silence or task related communications only during critical phases, etc. Results: A significant difference was found in the frequency of the overall sharps and needle stick related incidents over the pre and post implementation time periods of interest(Wilcoxon Signed Rank test - significant at p≤ 0.05 level, where the W-value is 2 and the critical value for W with N=6 is 2). 63.51% decrease in incidence rate was found among the OR staff, and 44.25% decrease in incidence rate was found among students and residents, pre and post implementation. Overall, a 55% decrease was found in the incident rate of events related to sharps and needle sticks among the OR teams(experts and novices combined), over the first seven months of implementing the ergonomic process improvement. Conclusion Within the complex task and team work environments of the operating room in teaching hospitals, ergonomics and human factors fundamentals related to individual task performance, team work and work design could help improve the effectiveness of the safety measures.
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Fista, B., H. A. Azis, T. Aprilya, S. Saidatul, M. K. Sinaga, J. Pratama, F. A. Syalfinaf, Steven, and S. Amalia. "Review of Cognitive Ergonomic Measurement Tools." IOP Conference Series: Materials Science and Engineering 598 (September 6, 2019): 012131. http://dx.doi.org/10.1088/1757-899x/598/1/012131.
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Sasongko, Triyono Widi. "EVALUASI ERGONOMI KOKPIT PESAWAT UDARA N-219 DENGAN USABILITY TESTING." Majalah Ilmiah Pengkajian Industri 11, no. 3 (December 18, 2017): 221–30. http://dx.doi.org/10.29122/mipi.v11i3.2580.
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AbstrakAnalisis optimalisasi ergonomi kokpit pesawat udara N-219 sangat penting untuk dilakukan, dikarenakan postur tubuh yang kaku disebabkan oleh konfigurasi kokpit yang kurang baik membuat pilot merasa tidak nyaman, lelah yang akan menyalahi keamanan penerbangan dan berbahaya bagi pilot.Hasil survey pengukuran ergonomic kognitif dengan metode pengukuran usability dengan Questionnaire for User Interaction Satisfaction (QUIS), yang meliputi reaksi aircrew terhadap keseluruhan sIstem, display, teknologi sIstem informasi, pembelajaran dan kapabilitas sIstem di kokpit N-219 mempunyai nilai pada skala 7,32 s/d 8,19, dengan kategori baik dan bisa diterima, meskipun terdapat beberapa kekurangan yang harus diperbaiki.Dalam pengembangan selanjutnya, kokpit perlu didesain untuk bisa mengakomodasi pilot yang memiliki tubuh di atas rata-rata karena secara umum sistem yang berjalan saat ini masih kurang nyaman bagi pilot yang memiliki persentil atas. Kata Kunci: ergonomi, kokpit N-219, usability test  ABSTRACTAnalysis of optimization of the airplane's cockpit ergonomics N-219 is very important to do, due to the rigid posture caused by the uncomfortable of configuration of the cockpit that make pilots uneasy and tired. It is going to violate the security of the flight and dangerous for pilots.The survey results of measurement with the method of measurement of cognitive ergonomic usability with a Questionnaire for User Interaction Satisfaction (QUIS), which includes reaction to the overall system, aircrew display systems technology, information, learning and capability systems in the cockpit N-219 has a value on a scale of 7.32 up to 8.19, by category which is good and acceptable, although there were some shortcomings that must be rectified. In future development, cockpit needs to be designed to be able to accommodate the pilots who have above average of anthropometric because in general the system running at present still less convenient for pilots who have the top percentile.  Keywords: cockpit ergonomics, N-219, usability test
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Araujo Vieira, Ludmilla Maria Souza Mattos de, and Ana Carolina Barbosa Faria Gonçalves. "Análise Ergonômica do Trabalho: uma Metodologia Utilizada para Avaliação dos Aspectos Físicos, Cognitivos e do Mobiliário." Ensaios e Ciência: C. Biológicas, Agrárias e da Saúde 21, no. 2 (November 7, 2017): 123. http://dx.doi.org/10.17921/1415-6938.2017v21n2p123-132.
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Existem trabalhos que causam mais desgastes físicos e psíquicos, alguns fatores como a falta de interação social no trabalho entre colegas e chefes, jornadas de trabalhos longas sem interrupções, mobílias inadequadas aos trabalhadores e exigência cognitiva também aumentam a chance de danos à saúde. Durante a jornada de trabalho ocorrem modificações e adaptações no corpo dos trabalhadores devido à carga de trabalho física, cognitiva e organizacional. A carga física causa a fadiga de órgãos e músculos, a cognitiva causa a fadiga psicológica, a organizacional, em virtude ao processo de trabalho, causa estresse. Desta forma, a ergonomia irá abordar durante a análise da atividade estes três fatores, que podem ser risco de adoecimento, quando inadequados e em sobrecarga. Esta pesquisa teve como objetivo realizar uma análise ergonômica, por meio de entrevistas aos coordenadores dos cursos da área da saúde e propor melhorias. Como metodologia foi realizada uma AET, com coletas de informações a respeito da tarefa e atividade, para verificação da presença de dores, bem como o local e a intensidade, e foi utilizado o questionário bipolar ISO 20646, para complementar foi utilizada a ferramenta de avaliação Ergonomic Workplace Analysis (EWA). Como resultados foi possível verificar, pelo questionário NASA, que existe exigência mental e temporal, porém são características da atividade desempenhada e existem períodos de maior demanda cognitiva. Foi possível elencar os aspectos físicos, que necessitam de melhorias para adaptar o posto de trabalho ao trabalhador; além de compreender e propor melhorias que visem enquadrar na NR 17, enfatizando o conforto, segurança e eficácia da atividade prestada.Palavras-chave: Engenharia Humana. Fisioterapia. Saúde do Trabalhador.AbstractThere are jobs that cause more physical and psychological wear, factors such as lack of social interaction at work between colleagues and bosses, long hours of uninterrupted work, inadequate furniture and cognitive requirements also increase the chance of health damage. During the working day there are changes and adaptations in the workers’ body due to the physical, cognitive and organizational workload. The physical burden causes organs and muscles’ fatigue, just as the cognitive causes psychological fatigue, the organizational because due to the work process, causes stress. Therefore, ergonomics will approach during the activity analysis thesethree factors that can be risk of becoming ill, when inadequate and in excess. This research had as objective to perform an ergonomic analysis through interviews to the health area coordinators and propose improvements. As a methodology, an AET was carried out, with data collection about the task and activity, to verify the presence of pain, as well as the location and intensity, using the ISO 20646 bipolar questionnaire, to complement the evaluation tool Ergonomic Workplace Analysis (EWA). As results it was possible to verify through the NASA questionnaire that there is a mental and temporal requirement, but they are characteristics of the activity performed and there are periods of greater cognitive demand. It was possible to list the physical aspects that need improvement to adapt the work station to the worker, besides understanding and proposing improvements that aim to fit in the NR 17, emphasizing the comfort, safety and effectiveness of the activity provided.Keywords: Human Engineering. Physical Therapy Specialty. Occupational Health.
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Darabont, Vlad Andrei, and Doru Costin Darabont. "Considerations on Ergonomic Issues in Physiotherapy Activity." MATEC Web of Conferences 343 (2021): 10004. http://dx.doi.org/10.1051/matecconf/202134310004.
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Nowadays, the ergonomic issues become more and more important in all economic activity domains. Work-related Musculoskeletal Disorders (MSDs) represent the main problem generated by the poor ergonomic design of the workplaces. The healthcare domain involves high level ergonomic risks related to physical and mental load of the work which could lead to MSDs. The paper presents an analysis of these ergonomic risks for physiotherapy activity and identifies potential measures to improve the health and safety in this domain. The physical load of the physiotherapist’s work is generated by the risk factors such as awkward postures, repetitive movement or working with patients with motor disabilities. The mental load of the physiotherapist’s work depends on risk factors such as working with patients with cognitive impairment and daily or weekly patient flows. The proposed preventive measures are organisational and technical. The organisational measures are based on the requirements of the occupational health and safety (OHS) legislation and on the good practice examples. The technical measures are based on the analysing the documentation of physiotherapy modern equipment. The results of the study can be used to improve the ergonomics and the health and safety of any workplace in physiotherapy activity.
Dissertations / Theses on the topic "Cognitive Ergonomic"
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Pan, Yan. "A cognitive ergonomic approach for user code design : from PIN-code to face." Licentiate thesis, Luleå tekniska universitet, 2001. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-26549.
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The overall goal the research upon which this thesis is based concerns the development of personal security coding that is superior to today's systems that use digit-based codes. In exploring alternate coding strategies, emphasis has been on identification of methods/systems that are more user-friendly. Within populations such as the elderly and disabled, there are groups that experience considerable difficulty when using today's personal identification systems. Speed of movement and rapidity of recall are some of the challenges faced by these two groups that the line of research reported in the thesis seeks to address. Four studies and a narrative summary are contained in the thesis. The four studies report on the following: Study I. The aim of the study was to gather empirical data on the use of code focusing among disabled persons. It was conducted during the exploratory phase of a larger research program dealing with security and memory aspects on codes used in different contexts. Study II. The study purpose is to compare how well people remember two types of codes: picture codes and number codes. Study III. The main objective of this study was to test whether the residential experience in an other-race country effects face recognition performance. Study IV. In this paper the processes of usability evaluation of codes that are based on portraits of human faces is described.Godkänd; 2001; 20070314 (ysko)
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Malti, Ikram. "Ergonomie cognitive des manuels scolaires numériques." Thesis, Toulouse 2, 2018. http://www.theses.fr/2018TOU20032.
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Le domaine des apprentissages a connu une évolution rapide ces dernières années avec l’arrivée de nouveaux supports informatiques. Depuis l’apparition des ordinateurs jusqu’aux tablettes de nos jours, le milieu scolaire n’a cessé de s’adapter à ces outils et par conséquent proposer de nouveaux supports d’apprentissage. Dans ce contexte de digitalisation, l’évolution du manuel scolaire papier vers une autre forme de présentation est devenue nécessaire. Pour cela, la présente recherche a été mise en place en partenariat avec les Editions Nathan afin d’apporter des réponses scientifiques aux questionnements des éditeurs. Ainsi, nous avons fourni des préconisations de conception pédagogique des futurs manuels scolaires numériques.Trois études distinctes ont été réalisées en lien avec les travaux sur l’apprentissage multimédia. Tout d’abord, en s’appuyant sur la théorie de la charge cognitive et la théorie de l’apprentissage multimédia, des évaluations ergonomiques par inspection des manuels scolaires numériques ont été effectuées afin de présenter des axes d’améliorations futurs. Ensuite, une enquête d’usage exploratoire a été menée dans plusieurs établissements scolaires connectés (collège-lycée) pour déterminer la nature des difficultés de l’usage de ces manuels scolaires numériques en classe. Les résultats nous ont permis de dégager des facteurs d’usage et des facteurs de non usage des manuels scolaires numériques. Enfin, les conclusions de ces deux études ont orienté notre choix vers une troisième étude de nature empirique qui a consisté à expérimenter plusieurs formes d’animations sur des tablettes dans les collèges. Les résultats ont montré une absence d’effet du contrôle utilisateur et du format de présentation de l’information sur l’efficacité de l’apprentissage des élèves. L’ensemble de ces travaux ont donné lieu à des recommandations visant l’amélioration des futurs outils pédagogiques numériques destinés aux élèvesThe learning domain has recently experienced a fast evolution with the arrival of new computer media.Since the onset of computers to the emergence of tablets today, the school field hasn’t stopped adapting to these tools and, as a result, offering new ways of learning. Therefore, the evolution of the paper textbook to another presentation mode has become necessary. For this, the current research was set up in partnership with Nathan's Edition to provide scientific arguments to the questioning of publishers. Thus, we have provided an instructional design recommendations for the future digital textbooks.Three separate studies were conducted based on researches about multimedia learning. First, using the Cognitive Load Theory and Multimedia Learning Theory, an ergonomic assessment by inspection of digital textbooks were conducted to consider future improvement. Then, an exploratory survey was designed to typify the using difficulties of digital textbooks in class and in several connected high schools. The results allowed us to identify use factors and non-use factors of digital textbooks. Finally, the conclusions of these two studies had led us to achieve an empirical third study which consisted of testing several forms of animations on tablets in high schools. The results showed a lack of effect of user control and presentation mode on student learning efficiency.The results of these studies have highlighted the necessary future improvements for the instructional design of student’s digital uses
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Ishisaki, Jane Matie. "O design de interação dos equipamentos informatizados: a usabilidade da máquina de auto-atendimento de informações sobre serviços públicos." Universidade de São Paulo, 2008. http://www.teses.usp.br/teses/disponiveis/16/16134/tde-20012010-112915/.
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Os avanços tecnológicos levam a novas formas de relação entre o usuário e o equipamento, e a interface com os artefatos informatizados adquire maior complexidade em suas condições de uso. Em vista das diversas possibilidades que os recursos computadorizados oferecem, a facilidade de uso é um requisito fundamental no projeto desse tipo de equipamento, especialmente para pessoas com dificuldade de acesso aos computadores. Proporcionar a inclusão digital é uma forma de reduzir as diferenças sociais através do acesso à informação e aos serviços digitais, tornando-se um fator a ser considerado pelo projetista. Desenvolver um produto requer a observação de uma variedade de condições, que tendem a tornarem-se cada vez mais complexos com as novas funções e possibilidades de uso que os produtos têm adquirido. A diversidade de formação e características culturais dos usuários apenas reforça a necessidade de uma maior atenção às condições humanas no projeto de equipamentos. O repertório informacional que cada indivíduo adquire ao longo de sua vivência influencia na capacidade de cognição e compreensão das informações, fazendo com que a experiência do usuário interfira na condição de uso do equipamento. A ergonomia, através de seus estudos sobre as relações entre o homem e a máquina, mostra-se uma importante base metodológica para a pesquisa de situações de interação entre o usuário e o artefato. Baseada nos estudos da ergonomia cognitiva, esta pesquisa realiza uma análise da máquina de autoatendimento de informações sobre serviços públicos do Poupatempo, de forma a analisar as condições cognitivas de seu uso, e obter dados que auxiliem no processo de concepção do equipamento informatizado.Technological advances lead to new forms of relations between the user and equipment, and the interfaces with computerized devices get complexity in their condition of use. Given the numerous possibilities that computerized resources offer, the ease use of the device is a fundamental requirement in designing computerized equipment, especially for people with difficult access to computers. This digital inclusion provides a way to reduce social differences through access to information and digital services. Developing a product requires to consider a variety of factors, which tend to become increasingly complex with new functions incorporated and possibilities of using these products. The variations of the users background and their cultural characteristics only reinforce the need for greater attention to human conditions in designing a computerized equipment. The information repertoire that each person acquires over their experience reflects on the ability to understand and its cognitive associations, making the user experience interfere with the use condition of the equipment. The ergonomics, through its studies of the human-machine relationship shows up as an important methodological basis for the research of the situations of interaction between the user and the device. Based on studies of cognitive ergonomics, this research performs an analysis of the self-service information machine at the public services of Poupatempo in order to analyze the cognitive conditions of use and obtain data that help in designing computerized equipment.
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BRUNZINI, Agnese. "Effectiveness analysis of traditional and mixed reality simulations in medical training: a methodological approach for the assessment of stress, cognitive load and performance." Doctoral thesis, Università Politecnica delle Marche, 2021. http://hdl.handle.net/11566/287675.
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La simulazione nell'educazione in medicina è considerata un metodo di formazione in grado di migliorare le competenze cliniche e il comportamento degli operatori sanitari e, di conseguenza, la qualità dell'assistenza per il paziente. Inoltre, l'utilizzo di nuove tecnologie come la Realtà Aumentata, offre ai discenti l'opportunità di esercitarsi in un ambiente immersivo. L'opportunità di sperimentare questo innovativo metodo didattico è efficace non solo nel ridurre il rischio di errori e approcci sbagliati ma anche nel provare ansia e stress simili a quelli avvertiti nella pratica reale. La sfida sta nel trovare il giusto equilibrio. I discenti devono infatti provare lo stesso stress che avvertirebbero lavorando ad un vero caso clinico ma, allo stesso tempo, devono essere controllati ed evitati possibili disturbi da stress post-traumatico, verificabili soprattutto nel campo della gestione delle emergenze (pronto soccorso). Inoltre, è fondamentale anche ottenere alte prestazioni e un apprendimento adeguato, evitando sovraccarichi cognitivi che influenzerebbero negativamente l’apprendimento.
Tuttavia, ad oggi mancano ancora studi approfonditi sull'impatto che le simulazioni mediche hanno su stress, frustrazione, carico cognitivo e apprendimento dei discenti.
Per questo motivo, l'obiettivo principale di questo studio è valutare l'efficacia del training tramite simulazione, analizzando prestazioni, ansia, stress e carico cognitivo durante simulazioni cliniche tradizionali (con manichino) ed avanzate (in realtà mista).
A questo scopo, è stato sviluppato un approccio metodologico strutturato e completo per valutare le prestazioni, le condizioni emotive e cognitive degli studenti. Questo comprende l'acquisizione e l'analisi di parametri psicologici (valutazione soggettiva), segnali biometrici (valutazione oggettiva) e prestazioni. Questa indagine consente di evidenziare i punti deboli delle simulazioni e offre l'opportunità di definire utili linee guida per la riprogettazione e l'ottimizzazione delle stesse.
La metodologia è stata applicata su tre casi studio: il primo si riferisce a simulazioni ad alta fedeltà per la gestione del paziente in pronto soccorso, il secondo si riferisce a simulazioni a bassa fedeltà per la pratica della rachicentesi. Per il terzo caso studio, è stato progettato e sviluppato un prototipo di simulatore in realtà mista per la rachicentesi, con l'obiettivo di migliorare il senso di realismo e immersione della simulazione a bassa fedeltà.
148 studenti sono stati coinvolti nei primi due casi studio osservazionali, mentre soltanto 36 studenti hanno preso parte allo studio pilota sulla simulazione in realtà mista.
In tutti i casi di studio sono state effettuate analisi descrittive delle prestazioni, degli stati cognitivi ed emotivi. Per le simulazioni ad alta e bassa fedeltà, le analisi di regressione statistica hanno evidenziato quali variabili influenzano le prestazioni, lo stress e il carico cognitivo degli studenti. Per lo studio pilota sulla realtà mista, l'analisi della user experience ha sottolineato i limiti tecnici della nuova tecnologia.Simulation in medical education is considered a training method capable of improving clinical competence and practitioners’ behaviour, and, consequently quality of care and patient’s outcome. Moreover, the use of new technologies, such as augmented reality, offers to the learners the opportunity to engage themselves in an immersive environment. The opportunity to experiment with this innovative instructional method is effective not only in reducing the risk of errors and wrong approaches but also in experiencing anxiety and stress as in real practice. The challenge is to find the right stress balance: learners have to feel as if they were practicing in the real stressful clinical case, and, at the same time, post-traumatic stress disorders, verifiable especially in the emergency field, must be controlled and avoided. Moreover, it is fundamental also to obtain high performance and learning, thus avoiding cognitive overloads. However, extensive researches about the impact of medical simulations on students’ stress, frustration, cognitive load, and learning are still lacking. For this reason, the main objective of this study is to assess simulation training effectiveness by analysing performance, anxiety, stress, and cognitive load during traditional (with manikin) and advanced (with augmented reality) clinical simulations. A structured and comprehensive methodological approach to assess performance, emotional and cognitive conditions of students has been developed. It includes the acquisition and analysis of psychological parameters (subjective assessment), biometric signals (objective assessment), and task performance. This investigation allows to point out simulations’ weaknesses and offers the opportunity to define useful optimisation guidelines. The methodology has been applied to three case studies: the first one refers to high-fidelity simulations, for the patient management in the emergency room, the second one refers to low-fidelity simulation for rachicentesis. For the third case study, a prototype of a mixed reality simulator for the rachicentesis practice has been designed and developed aiming at improving the sense of realism and immersion of the low-fidelity simulation. While 148 students have been enrolled in the first two case studies, only 36 students have taken part in the pilot study about mixed reality simulation. Descriptive analysis about performance, cognitive and emotional states have been done in all the case studies. For the high-fidelity and low-fidelity simulations, the statistical regression analysis has pointed out which variables affect students’ performance, stress, and cognitive load. For the pilot study about mixed reality, the user experience analysis highlighted the technical limitations of the new technology.
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Lacabanne, Marie. "Qu'est-ce que naviguer ? : analyse d'une tâche de pilotage comme préalable à la conception d'un système d'aide à la gestion d'un vol." Thesis, Toulouse 2, 2014. http://www.theses.fr/2014TOU20119/document.
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Cette étude est fondée sur deux constats dans le domaine du transport aérien : la conception des systèmes automatisés, et notamment du système de gestion de vol, découle d’un point de vue techno-centré ne prenant pas en compte le point de vue des opérateurs ; le système de gestion de vol est un système complexe entrainant une difficulté à l’appréhender pour optimiser l’accès aux fonctions existantes. Cette recherche a pour objectif de fournir des recommandations en vue de la conception d’une nouvelle interface du système de gestion de vol partant d’un point de vue centré sur l’opérateur. Pour cela, deux études ont été menées ayant pour objectif la réalisation d’une analyse cognitive de la tâche de navigation (tâche pour laquelle le système de gestion de vol a été initialement conçu). Pour ce faire, nous avons conduit des entretiens auprès de pilotes aux expériences diverses. Les résultats de ces deux premières études fournissent des éléments d’informations quant aux besoins informationnels des pilotes et nous informent aussi sur les exigences de la tâche et leur impact sur la conscience de la situation des pilotes. A la suite de ces résultats, des recommandations de conception pour une nouvelle interface de système de gestion de vol ont été émises visant à répondre aux besoins informationnels des pilotes et ainsi à améliorer leur conscience de la situation. Ces recommandations ont été testées lors d’une troisième étude. Les résultats enregistrés montrent que la réduction de l’effet de dissociation de l’attention ainsi que la contextualisation de l’information de manière cohérente par rapport à l’activité des pilotes permet d’améliorer leur conscience de la situationThis study is based on two observations in the airway field: (i) the design of automated systems - particularly of the flight management system - is currently based on a techno-centered point of view that doesn’t take into account the user point of view; (ii) the flight management system is a complex system resulting in a long time of training and in a difficulty in both the knowledge and the access to the existing functions. This study aims to provide design recommendations for a new flight management system interface from the point of view of the pilots. In order to do this, two studies were carried out with the objective to produce a cognitive task analysis, and more particularly a cognitive task analysis of the navigation task (which is the task for which the system was initially created). Interviews were thus conducted with pilots with different experiences. The results of these two first studies provide information on the informational needs of the pilots, on the task requirements as well as on their impacts on the situation awareness of the pilots. Following these results, design recommendations for a new flight management system interface were produced in order to answer to the informational needs of the pilots and thus to improve their situation awareness. These recommendations were tested during a third study. The results show that the decrease of the attention dissociation’s effect as well as the consistency of the information contextualization of the pilot activity improves the situation awareness
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Giraud, Stéphanie. "L'accessibilité des interfaces informatiques riches pour les déficients visuels." Thesis, Nice, 2014. http://www.theses.fr/2014NICE2035/document.
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Les déficients visuels rencontrent de nombreuses difficultés lors de leur navigation web avec un lecteur d’écran, d’autant plus que les interfaces web deviennent de plus enplus riches de par leurs interactions et leur densité et diversité informationnelles. Cette thèse confronte ainsi 2 approches de l’accessibilité : l’approche dite « exhaustive » quivise à assurer l’accessibilité normative - garantissant l’accès à l’information par l’application de normes - et l’approche dite « holistique » qui vise à assurer l’accessibiliténormative mais également l’accessibilité effective - garantissant l’utilisabilité de l’interface - par la prise en compte du contexte d’utilisation des utilisateurs.Les 2 premières études ont analysé l’activité des utilisateurs déficients visuels qui a donné lieu à un modèle de la navigation web de ces utilisateurs. Ce modèle permet deconcevoir une interface suivant l’approche holistique par la prise en compte de leurs besoins, notamment celui de filtrage des informations non pertinentes et redondantes. Lorsde 3 expérimentations, les déficients visuels ont été confrontés à l'approche exhaustive par la retranscription exhaustive des informations et à l'approche holistique par l’accèsdirect au contenu associé à l’action réalisée. Les résultats montrent le bénéfice substantiel apporté par la version holistique concernant l’allègement de la charge cognitive etl’utilisabilité de l’interface selon les 3 critères : efficacité, efficience et satisfaction. Ainsi, cette thèse fournit des arguments probants pour promouvoir l’approche holistique pourguider la conception d’interfaces et l’élaboration de solutions d’assistance pour cette populationVisually impaired people face many difficulties when navigating on the web with a screen reader, especially as web interfaces become increasingly rich because of theirdynamic interactions and their informational density and diversity. This thesis compares two approaches to accessibility: the current approach called "exhaustive" which aims toensure normative accessibility - guaranteeing access to information through the application of standards - and the approach called "holistic" which aims to ensure bothnormative and effective accessibility - guaranteeing the usability of the interface - by taking into account the context of its use (difficulties, strategies, needs, etc.).The first 2 studies analysed the activity of visually impaired users resulted in a model of the web navigation of these users. This model allows for designing interfaces followingthe holistic approach by taking into account their needs, especially the filtering of irrelevant and redundant information. In 3 experiments, visually impaired users performedtasks in two versions of websites: a version based on the holistic approach that gives access directly to content associated with the user’s action and a version using theexhaustive approach that transcribes exhaustively all the information present on the screen. The results show substantial benefit provided by the holistic version as regards thecognitive load and the usability of the interface according to 3 criteria: effectiveness, efficiency and satisfaction. Thus, this thesis provides cogent arguments promoting theholistic approach in order to guide the design of interfaces and the development of assistance solutions for screen reader users
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Dilax, Albert. "Informatisation d'une situation de travail : l'exemple d'un test cognitif, la batterie factorielle d'aptitudes de Manzione." Rouen, 1994. http://www.theses.fr/1995ROUEL202.
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Dans une phase de croissance spectaculaire, l'évaluation psychologique informatisée est la cible de nombreuses interrogations concernant les règles de déontologie et l'identité même de la profession de psychologue. L'élément central de cette problématique est l'équivalence des formes informatiques et traditionnelles d'un même test. En réalisant nous-même l'informatisation des différents subtests d'une batterie factorielle d’aptitudes, nous voulions éprouver l'hypothèse que le respect des principes ergonomiques de conception d'une application interactive que la maîtrise de l'interface utilisateur permet d'éviter tout risque d'invalidation de la présentation informatique. Cette hypothèse n'est pas vérifiée pour de nombreux subtests. Seuls les scores aux subtests de vocabulaire et de représentation spatiale restent constante. La nouvelle version perd les qualités psychométriques de la version initiale. L'informatisation modifie l'attitude du sujet face à la tâche; elle l'oblige à changer de stratégies dans la résolution des problèmes ou à adopter de nouveaux modes opératoires. Cependant, l'informatisation se justifie si le logiciel permet de faire l'analyse ne serait-ce que d'un seul processus ou style cognitif de l'activité de l'utilisateurAlthough in dramatic growth, computer-based testing is the target of many interrogations concerning the rules of the ethic and the identity itself of the psychologists. The central element of its paradigm is the equivalence between the traditionnal and the informatic forms of a same test. When working myself the computerization of different subtests of a factorial battery of aptitudes, i should prove that the respect of the principles of the conception of an interactive application and the knowledge of the user interface enable to reduce the risk of the invalidity of the informatic presentation. This hypothesis is not verified for many subtests. Only the subtests of vocabular and spatial representation are constant. The new form lose the psychometrics properties of the initial test. The computerization modify the attitude of the user in the task; she forces him into changing his strategies or his operationnal modes. However, the assumption is made that even if only cognitive process or style can be performed with this software, computerization is justified
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Barddal, Rodrigo. "Raciocínio clínico e ergonomia cognitiva." reponame:Repositório Institucional da UFSC, 2016. https://repositorio.ufsc.br/xmlui/handle/123456789/167957.
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Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico, Programa de Pós-Graduação em Engenharia de Produção, Florianópolis, 2016.Made available in DSpace on 2016-09-20T04:38:54Z (GMT). No. of bitstreams: 1 341383.pdf: 1393747 bytes, checksum: bfb3afcba762051272f1c7b26fb80a5f (MD5) Previous issue date: 2016
O raciocínio clínico e a tomada de decisão são os fundamentos da medicina e estão inseridos no contexto dos processos mentais estudados pela Ergonomia Cognitiva. A Teoria dos Dois Sistemas é uma abordagem reconhecida no estudo da tomada de decisão humana, mas sua aplicação no estudo do raciocínio clínico e na tomada de decisão dos médicos ainda é incipiente. O objetivo deste trabalho foi esclarecer os pontos convergentes entre a Teoria dos Dois Sistemas e a Ergonomia Cognitiva a fim de melhor explicar o processo do raciocínio clínico e entender a formulação de diagnósticos, com vistas a diminuir os erros de condutas médicas. Para tanto se utilizou de uma metodologia de revisão sistemática para o rastreio e levantamento das informações relevantes em artigos científicos publicados nas áreas da engenharia nas bases de dados PubMed, Science Direct, Cohcrane, Lilacs, Scielo e EBSCO, tendo como descritores as palavras: teoria do processo dual, tomada de decisão, erro diagnóstico, cognição clinica. Foram selecionados 22 artigos que versam sobre a utilização da Teoria dos Dois Sistemas na prática médica. Os resultados demonstram que as publicações são atuais (mais antiga de 2009); 54,54% das publicações investigaram a relação da Teoria dos Dois Sistemas com o erro médico, 86,36% relacionaram a Teoria dos Dois Sistemas a tomada de decisão e ao erro médico, sendo que 63,64% também abordaram questões da educação médica; 36,36% focaram no treinamento e nas ferramentas de reforço cognitivo para os médicos e apenas dois artigos relacionaram a Ergonomia aos erros médicos. Conclui-se que a Teoria dos Dois Sistemas está diretamente relacionada à Ergonomia Cognitiva, por utilizar parte dos seus conceitos e definições, e se apresenta como uma abordagem abrangente para entendimento do raciocínio clínico, tomada de decisão e erro médico. Embora haja dúvidas quanto à eficácia de se ensinar os vieses cognitivos que induzem os erros médicos a profissionais experientes, algumas escolas médicas já incluíram nos seus currículos o ensino dos processos cognitivos que sustentam o raciocínio clínico a partir de situações de aprendizagem reais com feedback de tutores. Como essas aplicações ainda são recentes, novos estudos serão necessários para avaliar a eficácia do uso da Teoria dos Dois Sistemas na melhoria do ensino médico e na diminuição dos erros médicos. Apesar da metade dos erros médicos estar relacionada a erros cognitivos associados a falhas dos sistemas, poucas publicações salientam o papel da ergonomia organizacional na prevenção dos erros.
Abstract : The clinical reasoning and decision making are the foundations of medicine and are inserted in the context of mental processes studied by Cognitive Ergonomics. The Theory of the Two Systems is a recognized approach in human decision making study, but its application in the clinical reasoning study and decision-making of doctors is still incipient. The aim of this study was to clarify the converging points between the Theory of the Two Systems and the Cognitive Ergonomics in order to better explain the process of clinical reasoning and understand the diagnostics decision making, in order to reduce medical errors. For this purpose we used a systematic review to screen and collect relevant information in published scientific articles in engineering fields in the databases PubMed, Science Direct, Cohcrane, Lilacs, Scielo and EBSCO having as words descriptors: theory of dual process , decisionmaking, misdiagnosis, clinical cognition. It was selected 22 articles that approach the use of the Theory of the Two Systems in medical practice. The results were based on recent publications (oldest from 2009); 54.54% of the publications investigated the relationship of the Two Systems Theory with medical error, 86.36% investigated the relationship between the Two Systems Theory with decision making and malpractice, and 63.64% also addressed issues of medical education; 36.36% focused on training and cognitive enhancement tools for physicians and only two articles were related to Ergonomics with medical errors. We conclude that the Theory of the Two Systems is directly associated with Cognitive Ergonomics by using some of its concepts and definitions, and presents itself as a comprehensive approach to understanding of clinical reasoning, decision making and medical errors. Although there are doubts about the effectiveness of teaching the cognitive biases that induce medical errors to experts, some medical schools have included in their curricullum the teaching of cognitive processes that support clinical reasoning from real learning situations with feedback from tutors . As these applications are still recent, further studies will be needed to assess the effectiveness of the use of the theory of two systems in the improvement of medical education and the reduction of medical errors. Although half of the medical errors are related to cognitive errors associated with system failures, few publications emphasize the role of Organizational Ergonomics in preventing errors.
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Jahncke, Helena. "Cognitive performance and restoration in open-plan office noise." Doctoral thesis, Luleå tekniska universitet, Arbetsvetenskap, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-18374.
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This dissertation presents four experimental studies (in four papers) with the overall aim to investigate the effects of office noise on cognitive performance and restoration. In the first two papers the focus was on the effects of different sound levels (i.e., the mean level from all sound sources at an office, such as speech, phones, people walking) on performance, fatigue and stress. In the last two papers the focus was on the effects of background speech, as this has previously been shown to be the most disturbing noise source in open-plan offices. Paper I demonstrated decreased word memory performance, increased fatigue and motivational deficits when the background sound level increased by 12 dB, from 39 to 51 dB LAeq. Paper II showed that the sound level effects were more pronounced for individuals with a hearing impairment. Unexpectedly, no effects were found of acute noise exposure on the participant´s stress hormone levels (Paper I and Paper II).Regarding effects of irrelevant speech, Paper III showed that cognitive performance decreased as a function of background speech intelligibility, the higher the intelligibility depicted by the Speech Transmission Index (STI), the worse the performance. The results indicated that the STI-value must be less than 0.50, to avoid a negative influence on performance. Further, both Paper III and IV showed that performance is more impaired by background speech if the focal task requires episodic memory and rehearsal—such as word memory and information search. Interestingly, some tasks were insensitive for speech.The restorative effects of a break were addressed in Paper I and II (i.e., directly after the work sessions in noise). The break period differed in content between the participants. Paper I showed that a break with a nature movie with corresponding sound increased energy ratings compared to just listening to river sounds or office noise. Continued exposure to office noise gave the lowest ratings of motivation after the break. Paper II showed improved arithmetic performance and motivation after the break with a nature movie and decreased performance and motivation after continued noise exposure. For the hearing impaired participants, however, continued noise during the break increased motivation and performance, while the movie did not.Taken together, the current thesis demonstrates that open-plan office noise can have a negative impact on fatigue, motivation and performance. How much performance is impaired varies with the cognitive processes required by the tasks performed and hearing status. Moreover, continued noise exposure during a short break can further decrease motivation and subsequent performance.Godkänd; 2012; 20120831 (heljah); DISPUTATION Ämne: Teknisk psykologi/Engineering Psychology Opponent: Docent Mats Nilsson, Psykologiska institutionen, Stockholms universitet Ordförande: Professor Håkan Alm, Institutionen för ekonomi, teknik och samhälle, Luleå tekniska universitet Tid: Fredag den 23 november 2012, kl 10.30 Plats: F719J, Luleå tekniska universitet
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Ljung, Robert. "Room acoustics and cognitive load when listening to speech." Doctoral thesis, Luleå tekniska universitet, Arbetsvetenskap, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-18057.
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The present thesis investigated the effects of background noise or a long reverberation time in learning situations. All studies used spoken texts that were presented above the speech intelligibility threshold, but were degraded enough to make listening more effortful. The basic hypothesis for the whole project was that listening to speech in a bad acoustic environment should increase the cognitive load for the listener, which should impair memory of the text. In Paper I the auditory stimuli were lists of words and sentences that were degraded by a background noise. Paper II was a replication of the experiment from paper I, but the independent variable was changed from the level of the background noise to reverberation time. Paper III included two experiments where the stimulus material was 10 minutes lectures.Paper IV included two studies. The first experiment investigated whether serial recall performance is affected when words are presented in long reverberation time (Exp 1a). In experiment 1b word lists were presented in long or short reverberation time or with a background noise. The stimuli were recorded in one classroom with extremely good and one with very bad acoustic design. In experiment 2 word lists with many or few phonological neighbours were presented with long or short reverberation time. In all studies some measure of working memory capacity was included. Taken together, the overall results could be summarized in two sentences: Hearing what is said is a necessary but not a sufficient criterion for people to remember what is said, which means that spoken information should be heard without special effort, otherwise proper learning is jeopardized. No consistent relation was found between working memory capacity and the learning effect in the unfavorable listening conditions.Godkänd; 2010; 20100416 (roblju); DISPUTATION Ämnesområde: Teknisk psykologi/Engineering Psychology Opponent: Docent Mats E. Nilsson, Stockholms universitet Ordförande: Professor Håkan Alm, Luleå tekniska universitet Tid: Torsdag den 3 juni 2010, kl 14.00 Plats: F 436, Luleå tekniska universitet
Books on the topic "Cognitive Ergonomic"
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Onken, Reiner, and Axel Schulte. System-Ergonomic Design of Cognitive Automation. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-03135-9.
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Onken, Reiner. System-ergonomic design of cognitive automation: Dual-mode cognitive design of vehicle guidance and control work systems. Berlin: Springer, 2010.
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Harris, Don, and Wen-Chin Li, eds. Engineering Psychology and Cognitive Ergonomics. Cognition and Design. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-49183-3.
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Harris, Don, ed. Engineering Psychology and Cognitive Ergonomics. Understanding Human Cognition. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-39360-0.
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Harris, Don, ed. Engineering Psychology and Cognitive Ergonomics: Cognition and Design. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-58475-1.
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Falzon, Pierre. Ergonomie cognitive du dialogue. Paris: Presses universitaires de Grenoble, 1989.
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Boy, Guy A., and David B. Kaber. Advances in cognitive ergonomics. Boca Raton: Taylor & Francis, 2011.
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1961-, Harris Don, and International Conference on Engineering Psychology and Cognitive Ergonomics (1st : 1996 : Stratford-upon-Avon, England), eds. Engineering psychology and cognitive ergonomics. Aldershot, Hants, England: Ashgate, 1997.
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Harris, Don, and Wen-Chin Li, eds. Engineering Psychology and Cognitive Ergonomics. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-77932-0.
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Harris, Don, and Wen-Chin Li, eds. Engineering Psychology and Cognitive Ergonomics. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-06086-1.
Full textBook chapters on the topic "Cognitive Ergonomic"
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Onken, Reiner, and Axel Schulte. "Dual-Mode Cognitive Automation in Work Systems." In System-Ergonomic Design of Cognitive Automation, 79–127. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-03135-9_4.
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Onken, Reiner, and Axel Schulte. "Operationalisation of Cognitive Automation in Work Systems." In System-Ergonomic Design of Cognitive Automation, 311–31. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-03135-9_7.
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Onken, Reiner, and Axel Schulte. "Motivation and Purpose of This Book." In System-Ergonomic Design of Cognitive Automation, 1–6. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-03135-9_1.
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Onken, Reiner, and Axel Schulte. "Introductory Survey on Operational Guidance and Control Systems." In System-Ergonomic Design of Cognitive Automation, 7–16. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-03135-9_2.
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Onken, Reiner, and Axel Schulte. "Basics about Work and Human Cognition." In System-Ergonomic Design of Cognitive Automation, 17–77. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-03135-9_3.
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Onken, Reiner, and Axel Schulte. "Examples of Realisations of Cognitive Automation in Work Systems." In System-Ergonomic Design of Cognitive Automation, 129–211. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-03135-9_5.
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Onken, Reiner, and Axel Schulte. "Implementation Examples of Crucial Functional Components of Cognitive Automation." In System-Ergonomic Design of Cognitive Automation, 213–310. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-03135-9_6.
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Ponsa, Pere, and Marta Díaz. "Creation of an Ergonomic Guideline for Supervisory Control Interface Design." In Engineering Psychology and Cognitive Ergonomics, 137–46. Berlin, Heidelberg: Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-73331-7_15.
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Varatharaj, Varatharaj, Gerald C. Chen, Emily Hunt, and Daniel Raju. "Ergonomic Analysis of Sit - Stand Workstations Installed at University Offices." In Advances in Neuroergonomics and Cognitive Engineering, 335–41. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-51041-1_44.
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Wu, Lei, and Jian Xu. "Airworthiness Compliance Criteria in Ergonomic Design of Cursor Control Device for Civil Aircraft." In Engineering Psychology and Cognitive Ergonomics, 332–41. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-22507-0_26.
Full textConference papers on the topic "Cognitive Ergonomic"
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Claudiaa, Giliberti, Figà Talamanca Ireneb, and Salerno Silvanac. "Ergonomic Design for Young Users of Mobile Phones." In Applied Human Factors and Ergonomics Conference (2022). AHFE International, 2022. http://dx.doi.org/10.54941/ahfe1001265.
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Children and adolescents increasingly use mobile phones worldwide. The Report Information and Communications for Development 2012 shows that between 2000 and 2012 the world-wide use of mobile phones has grown from 1 to about 6 billion, resulting in a mobile revolution that is changing our lifestyles. After less than forty years, mobile phones, initially complex, heavy and expensive have become light, handy, economic, visually attractive and multifunctional. These technological and aesthetic improvements allowed high usability for all, especially for children. The physical, cognitive and social ergonomic characteristics of mobile phones for younger users need to be considered in order to ensure their wellbeing: physical ergonomics implies for example the prevention of awkward postures, musculoskeletal disorders, eye sight and hearing overload, electromagnetic fields exposure; cognitive ergonomics includes the prevention of dual tasks (such as texting while driving/walking), over connection, addiction and abuse; social ergonomics might prevent cyberbullism, sex messaging, self and other aggressive and violent behavior. As an example of precaution, this paper discusses how different countries have started education campaigns for the safe use of mobile phones among children, by minimizing radiofrequency exposures, according to international recommendations and the precautionary principles.
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Kantorowitz, Eliezer. "A tool for research and training in Cognitive ergonomic system design." In ECCE '15: European Conference on Cognitive Ergonomics 2015. New York, NY, USA: ACM, 2015. http://dx.doi.org/10.1145/2788412.2788446.
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Chen, Xiao, Zhen Zhang, Xin Song, Xiang Xu, and Jianwei Niu. "Ergonomic evaluation of aircraft maintenance based on VACP model." In Intelligent Human Systems Integration (IHSI 2022) Integrating People and Intelligent Systems. AHFE International, 2022. http://dx.doi.org/10.54941/ahfe1001036.
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With the increasing workload of civil aircraft maintenance personnel, it is of great significance to study the workload assessment of civil aviation maintenance personnel. However, the existing workload assessment methods have problems. The VACP model, a powerful cognitive tool, proposes that workload consists of Visual (V), Auditory (A), Cognitive (C), and Psychomotor (P). The VACP model can reflect the nature of workload more comprehensively. This paper designs a workload evaluation system based on VACP model. This system can be anticipated to be applied to aircraft maintenance workload assessment, and to greatly improve maintenance efficiency, which has a great significance for the ergonomic status of the maintenance personnel.
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Mengoni, Maura, Margherita Peruzzini, Ferruccio Mandorli, Monica Bordegoni, and Giandomenico Caruso. "Performing Ergonomic Analysis in Virtual Environments: A Structured Protocol to Assess Humans Interaction." In ASME 2008 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2008. http://dx.doi.org/10.1115/detc2008-49160.
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Virtual Reality (VR) systems provide new modes of human computer interaction that can support several industrial design applications improving time savings, reducing prototyping costs, and supporting the identification of design errors before production. Enhancing the interaction between humans and virtual prototypes by involving multiple sensorial modalities, VR can be adopted to perform ergonomic analysis. The main problems deal with the evaluation both of functional and cognitive sample users behavior as VR interfaces influence the perception of the ergonomic human factors. We state that ergonomic analysis performed in virtual environment can be successful only if supported with a structured protocol for the study both of functional and cognitive aspects and with the proper VR technologies combination that answers to the specific analysis tasks. An ergonomic analysis protocol is presented. It allows the assessment of the consumers’ response in term of behavioral and cognitive human factors, comprehending both operational and emotional agents. The protocol is also used to identify the best combination of visualization and haptic interfaces to perform the analysis. An experimental example, belonging to house appliances field is adopted to investigate the application of the protocol in the virtual set up.
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Bedny, Gregory, Waldemar Karwowski, and Inna Bedny. "Time Study and Design." In Applied Human Factors and Ergonomics Conference. AHFE International, 2022. http://dx.doi.org/10.54941/ahfe1001291.
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This paper describes new basic principles that underline the successful application of time study in ergonomics. The main purpose of time study is estimation of time required to perform a task. Often, time for task performance is based upon actual performance studies in which measurement are taken. Time not only reflects the duration of human performance and the distinguishing features of external behavior but also specifies internal cognitive processes. The time study becomes particularly important in those professions that have time restrictions. The presented material can be used not only for studying human productivity and effectiveness of human performance but also in ergonomic design.
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Bin Guo, Fang, Bingyu Wu, Matthew Wah, Zaili Yang, Eddie Blanco-Davis, Abdul Khalique, and Alan Bury. "Towards An Ergonomic Interface In Ship Bridges: Identification of The Design Criteria." In 13th International Conference on Applied Human Factors and Ergonomics (AHFE 2022). AHFE International, 2022. http://dx.doi.org/10.54941/ahfe1001609.
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Despite the current effort on ship design associated with hull structure, navigational and propulsion, equipment design inadequacy still causes approximately one-third of all maritime accidents [1]. Human-centred design (HCD) can minimise human errors through maritime service design [2]. The core of HCD is to enhance the usability of products/systems and maximise user’s satisfaction. The Human-centred maritime design (HCMD) applies the HCD method in ship bridge design, and enhances OOW performance in vessel operation. Service design is categorised as a sub-category of industrial design [3], a specification and construction process to deliver valuable capacities for actions of a particular user [4]. Contemporary industrial designers increasingly produce concepts/solutions for services rather than physical products [5], which is expected to work across disciplines and understand users, technologies, and business [3]. Taking account of the five vital parts of service design: actors (seafarers), locations (ship bridge), props (interfaces), associates (vessel manufacturers), and processes (operation workflows) [6] in the maritime service industry, a new HCMD will help designers to identify problems, iterate design concepts, and address all dimensions of user’s issues. VR and 3D Game Engine technologies provide an alternative approach for designers to present their design concepts. They enable prototyping and testing (data collection) works to be undertaken easily and with low cost; this was especially significant when the practice of NPD (new product development) took place during the Covid-19 pandemic. Human factors/ergonomics (HF/E) has been adopted in current ship design [2]. The application of physical ergonomics has benefitted the modernisation of ship design to improve seafarers’ workplace conditions. Cognitive ergonomics particularly helps in the user interface design (UI) to reduce seafarers’ cognitive workload. Organisational ergonomics, however, will affect the workflow structure of vessel operations to relieve the pressure on seafarers during the decision-making process [2]. A recently funded project has been undertaken by a multidisciplinary team, seeking a design solution to improve seafarers’ performance reliability at sea. The principles/criteria of maritime service design were developed based on the study of a) human/operator needs; b) the state-of-the-art technologies to improve the seafarer’s work environment; and c) the user experience (UX) in vessel operation. A combination of engineering and design research methods were employed: a systematic review to clarify/address the above research questions; and the field study to investigate current/future requirements of ship bridge design; to map the behavioural human-machine interaction (HMI) and further to develop the design criteria/drivers for the ideation of an ergonomic interface. The NASA-TLX (task load index) assessment method will be used in the validation phase (future work) to assess if the design solution reduced participants’ cognitive workload and enhanced their vessel operation performance. This paper explores the project conducted so far and offers initial findings.
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Falahi, M., B. Beigzadeh, Z. Bank, and R. Rajabli. "Design and implementation of a cognitive-ergonomic navigation interface on an optimized holonomic mechanism." In 2014 IEEE International Conference on Systems, Man and Cybernetics (SMC). IEEE, 2014. http://dx.doi.org/10.1109/smc.2014.7110253.
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Falahi, M., B. Beigzadeh, Z. Bank, and R. Rajabli. "Design and implementation of a cognitive-ergonomic navigation interface on an optimized holonomic mechanism." In 2015 International Conference on Advanced Robotics (ICAR). IEEE, 2015. http://dx.doi.org/10.1109/icar.2015.7251466.
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Di Marino, Castrese, Andrea Tarallo, Andrea Vitali, and Daniele Regazzoni. "Collaborative Robotics and Ergonomics: A Scientific Review." In ASME 2021 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/imece2021-72919.
Full textAbstract:
Abstract Collaborative robotics, or Human-Robot Collaboration (HRC), is a challenging topic characterized by multidisciplinary approaches. Many researchers are facing this innovative manufacturing system studying several aspects such as task allocation, facility layout problem and timing. Above all, one of the most important issues in collaborative robotics is the wellbeing of the operator collaborating with the robot system during the different phases of the process. The added value of a collaborative workplace respect to the manual and automatic workplaces is strictly correlated to a safe and ergonomic interaction between the operator and the robot. Indeed, the combination of robot and operator skills lead to a higher level of accuracy and flexibility. Thus, assessing operator’s working conditions requires the acquisition, eventually in real time, of relevant parameters such as posture, movements, and interactive tasks. This may require the adoption of existing metrics proposed by standard evaluation guidelines, as well as the introduction of new or modified prescription to consider the presence of the robot. The ergonomics analysis in collaborative robotics is evaluated by considering both physical and cognitive aspects of the operator during the interaction with the robot. The research work aims to carry out a scientific bibliometric literature review (BLR) about the ergonomics analysis of collaborative workplaces, and to identify methods and tools for the physical and cognitive ergonomics assessment that can be adopted in collaborative robotics. The search has been accomplished using the Scopus database by means of a set of key words specifically defined to investigate the ergonomics in the collaborative robotics. The review provides a sharp classification, a critical analysis of the most relevant contributions in this field so that emerging trends for future development can be defined and discussed.
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Gultom, Syamsul, Dewi Endriani, and Nurman Hasibuan. "The Applying of Cognitive Strategies and Empowering Students in Research-Based Learning on Ergonomic Course." In Proceedings of The 5th Annual International Seminar on Trends in Science and Science Education, AISTSSE 2018, 18-19 October 2018, Medan, Indonesia. EAI, 2019. http://dx.doi.org/10.4108/eai.18-10-2018.2287429.
Full textReports on the topic "Cognitive Ergonomic"
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Ntuen, Celestine, and Woodrow III Winchester. Cognitive models applied to human effectiveness in national security environments (ergonomics of augmented cognition system design and application). Office of Scientific and Technical Information (OSTI), June 2004. http://dx.doi.org/10.2172/919203.
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