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This assessment of rating is later used to convert the observed time for the element into a basic time a process referred to as "extension". More information on rating is given within the entry on work measurement.
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The rate at which a worker works will vary over time if elements are carefully selected, the rate of working should be consistent for the relatively short duration of the element. One of the prime reasons for measuring elements of work, rather than the work as a whole is to facilitate the process of rating. Subsequent studies are taken during which the observer times each occurrence of each element using a stopwatch or other timing device while at the same time making an assessment of the worker's rate of working on an agreed rating scale. The observer first undertakes preliminary observation of the work (a pilot study) to identify suitable elements which can be clearly recognised on subsequent occasions and are of convenient length for measurement. synthesis from those measured components to arrive at a time for the complete job.analysis of the work into small, easily-measurable components or elements.It follows the basic procedure of systematic work measurement of: Time study is a structured process of directly observing and measuring human work using a timing device to establish the time required for completion of the work by a qualified worker when working at a defined level of performance.
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