Q.Which technique is used by Taylor for distinguishing efficient and inefficient workers?

Imagine you are watching a factory floor a hundred years ago. Workers move at their own pace, using their own methods, often stopping to ask the foreman what to do next. The owner is frustrated — output is low, costs are high, and no one can say exactly how long a job should take. Into this chaos steps an American engineer named Frederick Winslow Taylor. His idea was radical: treat factory work like a science, not a guessing game.

That is the core of Scientific Management. It is the systematic study of work to find the "one best way" to do a job, then training workers to follow that method exactly. Taylor believed that both workers and managers were wasting effort — workers through "soldiering" (deliberately working slowly) and managers through rule-of-thumb decisions. His solution was to replace intuition with measurement.

What does it mean in practice?

Taylor broke every task into tiny, measurable steps. He used a stopwatch to time each motion — lifting, turning, placing — and eliminated any movement that did not add value. The result was a standardised procedure for every job. For example, instead of letting each worker decide how to shovel coal, Taylor calculated the optimal shovel load (about 21 pounds) and designed different shovels for different materials. Workers no longer thought; they simply executed the prescribed motion.

The four principles (NCERT core)

The NCERT textbook lists four foundational principles of Scientific Management:

• Science, not Rule of Thumb: Every job should be studied scientifically to find the most efficient method. No more relying on tradition or guesswork.
• Harmony, not Discord: Workers and managers must cooperate. Taylor believed that if both sides focused on increasing the "pie" (productivity), conflict over wages would shrink.
• Cooperation, not Individualism: All work should be planned and coordinated by managers. Workers do not decide how to work; they just follow the plan.
• Development of Each Worker to His Greatest Efficiency and Prosperity: Workers should be scientifically selected, trained, and given the right tools. The goal is to match the person to the job, not force the job to fit the person.

Why does it matter? …