Jul 7, 2010

Frederick Taylor and Scientific Management

In 1911, Frederick Winslow Taylor published his work, The Principles of Scientific Management, in which he described how the application of the scientific method to the management of workers greatly could improve productivity. Scientific management methods called for optimizing the way that tasks were performed and simplifying the jobs enough so that workers could be trained to perform their specialized sequence of motions in the one "best" way.

Prior to scientific management, work was performed by skilled craftsmen who had learned their jobs in lengthy apprenticeships. They made their own decisions about how their job was to be performed. Scientific management took away much of this autonomy and converted skilled crafts into a series of simplified jobs that could be performed by unskilled workers who easily could be trained for the tasks.

Taylor became interested in improving worker productivity early in his career when he observed gross inefficiencies during his contact with steel workers.

Working in the steel industry, Taylor had observed the phenomenon of workers' purposely operating well below their capacity, that is, soldiering. He attributed soldiering to three causes:

1. The almost universally held belief among workers that if they became more productive, fewer of them would be needed and jobs would be eliminated.

2. Non-incentive wage systems encourage low productivity if the employee will receive the same pay regardless of how much is produced, assuming the employee can convince the employer that the slow pace really is a good pace for the job. Employees take great care never to work at a good pace for fear that this faster pace would become the new standard. If employees are paid by the quantity they produce, they fear that management will decrease their per-unit pay if the quantity increases.

3. Workers waste much of their effort by relying on rule-of-thumb methods rather than on optimal work methods that can be determined by scientific study of the task.

To counter soldiering and to improve efficiency, Taylor began to conduct experiments to determine the best level of performance for certain jobs, and what was necessary to achieve this performance.

Time Studies
Taylor argued that even the most basic, mindless tasks could be planned in a way that dramatically would increase productivity, and that scientific management of the work was more effective than the "initiative and incentive" method of motivating workers. The initiative and incentive method offered an incentive to increase productivity but placed the responsibility on the worker to figure out how to do it.

To scientifically determine the optimal way to perform a job, Taylor performed experiments that he called time studies, (also known as time and motion studies). These studies were characterized by the use of a stopwatch to time a worker's sequence of motions, with the goal of determining the one best way to perform a job.

The following are examples of some of the time-and-motion studies that were performed by Taylor and others in the era of scientific management.

Pig Iron
If workers were moving 12 1/2 tons of pig iron per day and they could be incentivized to try to move 47 1/2 tons per day, left to their own wits they probably would become exhausted after a few hours and fail to reach their goal. However, by first conducting experiments to determine the amount of resting that was necessary, the worker's manager could determine the optimal timing of lifting and resting so that the worker could move the 47 1/2 tons per day without tiring.

Not all workers were physically capable of moving 47 1/2 tons per day; perhaps only 1/8 of the pig iron handlers were capable of doing so. While these 1/8 were not extraordinary people who were highly prized by society, their physical capabilities were well-suited to moving pig iron. This example suggests that workers should be selected according to how well they are suited for a particular job.

The Science of Shoveling
In another study of the "science of shoveling", Taylor ran time studies to determine that the optimal weight that a worker should lift in a shovel was 21 pounds. Since there is a wide range of densities of materials, the shovel should be sized so that it would hold 21 pounds of the substance being shoveled. The firm provided the workers with optimal shovels. The result was a three to four fold increase in productivity and workers were rewarded with pay increases. Prior to scientific management, workers used their own shovels and rarely had the optimal one for the job.

Source: www.netmba.com

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