What are the four elements of process control?

The four elements of process control are essential for ensuring that a system operates effectively and meets desired outcomes. The correct answer emphasizes the importance of consistently evaluating the performance of a process.

In the context of process control, "Process" refers to the series of actions or steps taken to achieve a desired result. "Evaluation" involves assessing the results of the process against the standards or goals set. "Measurement" is crucial for collecting data regarding the performance, while "Control" pertains to making adjustments based on the evaluation and measurement to maintain or improve performance.

Focusing on these four components allows for a structured approach to managing processes within a system, ensuring both efficiency and effectiveness in achieving desired outcomes. The other options do not encompass the complete range of process control elements as effectively, missing the integration of evaluation and continuous feedback that is critical in managing processes.