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In fact, this approach neglects the fact that these relations necessarily pass through the activity of the employee. Indeed, it makes compromises with respect to constraints (it does not have them) to achieve the goals that are set and to limit the inconvenience caused by the tasks. For this reason,
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To understand the activity, working conditions and their consequences, the verbalization of the employee is essential because: Activity can be reduced to what is observable; The comments and actions take place at one moment, we must re-situate more broadly; The consequences of the activity are not
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is a specific feature in the
Ergonomic analysis of work compared to other methods. This is to focus on the work as directed, whereas other approaches rely on "representations". Observation can be carried out openly or by focusing on the collection of certain categories of information with specific
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At first glance, each is tempted by the establishment of relations of direct causation between working conditions and health consequences or effectiveness. A noisy situation makes deaf, carrying heavy loads of produce musculoskeletal disorder, bad lighting, eyestrain, etc.. Unfortunately, this
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between the task (project record, the field of virtual future) and activity (body – the brain of course) who takes positions and makes movements activates the controls, manages (consciously or not) thought processes, communicate with others, organizes his actions, etc..
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The relationship between the variables of a device : In explanation with the operator or guidance, it is possible that reflected different variables to the settings or status of the device technology (e.g. quality). It is then possible to relate with each
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Technical statement, there exist a variety of techniques to conduct surveys. The choice is made by the ergonomist in the constraints and circumstances. We'll list them here: The statements manuals, Video recordings, The
Activity Chronic, The
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s of activity, insofar as studies of psychological aspects of work, increasing show that the achievement of production requires more and more not only to compromise with the security (which is never written) but also with its afraid, its
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It is rather difficult to extract a maxim or a rule in the choose of a situation that the ergonomist will do. The criteria he will use depending on the problem and the structure of the company. But it may be, for example, situations:
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etc.. This compromise can be considered "room", without going on the field with operators in business, whether to make a machine, a workstation or a computer interface: the standards and rules are inadequate ever.
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Broad observables categories : Travel, The direction of regards, Communications, Postures, The actions taken or information, Comments on the technical system and context, The collective
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The work activity is influenced by a multitude of facets. The ergonomist must rely on these aspects and compare the actual work for generating insights relevant to the problems posed
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The tools and media : An analysis of the means available to employees to obtain or receive information and act on the process to better prepare some investigations
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the ergonomist must focus its ergonomic analysis of work activity: it is in and by the activity of the operator in creating the effects of working conditions.
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The layout of the technical device : Often, initial plans of arrangement are now outdated. Indeed, subsequent implementations of equipment have been made.
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It is with the demand analysis and hypothesis he has made during the pre-diagnosis that the ergonomist will be able to choose situations to consider:
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Guérin F., Laville A., Daniellou F., Duraffourg J., Kerguelen A. (2007). "Understanding and transforming work. The practice of ergonomics." Ed. ANACT
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Ergonomic analysis of work (EAW) is the main tool of the activity-centered ergonomic intervention. It can help to solve several problems related to
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may enroll in a timeframe more or less structured by the process, by advancing the work of other employees, or by events outside the company.
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The employee described the work and its consequences in terms of what it believes to be the goals and interests of the speaker;
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Procedures : The sequences of a process as provided corresponds only very rarely that transactions made by employees.
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The technical process : These are views which focus on flows and processing steps of a product or information
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approach has important limitations: protection against noise may prohibit access to the machine, etc. ...
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It is based on models of the work situation (especially that of
Jacques Christol,
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The routine operations or learning old are not always mentioned spontaneously;
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for example) but the description and explanation of the mechanisms involved
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However, there are limits to the verbalization to be taken into account:
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Ensure sufficient mastery of technical data concerning the work situation;
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Activity-centered ergonomics uses knowledge from the physiology of labor,
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Some aspects of the activities lend themselves well to verbal expression.
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Build reference tools for description and interpretation of data;
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On the mental health risks due to particular psycho-social (in
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The role, in this context, analysis of the activity is not an
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that this compromise exists, and it is not built as would the
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Give himself a medium for demonstration and communication.
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Playing a central role in the functioning of the company
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This "cognitive compromise" is also affected by aspects
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and
Gilbert De Terssac) that focus on the difference
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365:The different elements of influence on work
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313:(MSD) affecting 12 to 14% of employees
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