According to management studies, a "time-motion study" occurs when a manager observes workers as they shovel different types of materials with different kinds of shovels to determine the most efficient tool and method to use.
Frederick Taylor, around the 20th century, initially started a time-motion study.
The purpose is to know the exact time or period it takes people to complete a specific function in a production process.
It is mainly used in the industry when products or services is being taken place.
Time motion study, consider the tasks that must be performed to complete a job and the period required to complete each test.
Hence, in this case, it is concluded that the correct answer is "Time motion study."
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