Compare and contrast the method of time study to the method of work sampling. What are the strengths and limitations of each, and for which applications are they best suited?
What will be an ideal response?
Both are direct observation methods. However, a time study observes several cycles of work elements to determine a time standard, whereas work sampling takes "snapshots" of the facility to determine the percentage of time engaged in an activity. Time studies require experienced analysts, should not be used for tasks that vary each time, and are many times found to be objectionable to workers. Work sampling does not require special training and is generally accepted by workers because it tends to examine activities of the group rather than of the individual. In addition, many work sampling studies can be conducted simultaneously.
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