A factory manager is concerned about the inconsistent output of workers on a toy car assembly line. To solve this, the manager hires an efficiency expert. The expert spends a week observing and timing every individual motion each worker makes to assemble a car. After analyzing the data, the expert creates a new, standardized procedure that eliminates all unnecessary movements. All workers are then retrained to follow this exact procedure. Based on this scenario, what management approach is being implemented and why?