The correct answer is B. Worker control of production.
Scientific management is a theory of management that analyzes and optimizes workflows. It was first described by Frederick Winslow Taylor in his 1911 book The Principles of Scientific Management. Scientific management is based on the idea that managers should scientifically analyze work and then reorganize it to increase efficiency.
One of the key principles of scientific management is the differential piece wage system. This system pays workers more for producing more goods. This system is designed to motivate workers to work harder and produce more.
Another key principle of scientific management is the systematic selection of workers. This system involves hiring workers who are physically and mentally suited for the job. This system is designed to ensure that workers are able to perform their jobs efficiently.
Work specialization is also a key principle of scientific management. This system involves breaking down jobs into smaller tasks that can be performed by different workers. This system is designed to increase efficiency by allowing workers to focus on a single task.
Worker control of production is not an integral part of scientific management. In fact, scientific management is often seen as a way to reduce worker control of production. Scientific management is designed to increase efficiency by taking control of the production process away from workers and giving it to managers.
In conclusion, the correct answer to the question "Which of these were not an integral part of scientific management?" is B. Worker control of production.