Which of the following statements is true regarding the effectiveness of error proofing?

The statement that error proofing aims to eliminate potential errors before they occur is accurate because the fundamental goal of error proofing, also known as poka-yoke, is to implement systems and processes that prevent mistakes from happening in the first place. This proactive approach minimizes defects and enhances quality by designing features that either make it impossible to perform the task incorrectly or prompt immediate correction when an error is about to occur. Effective error proofing focuses on creating safeguards and systems for preventing errors, which contributes to more reliable processes and better overall quality in operations.

In contrast, other options do not align with the principles of error proofing. For instance, the notion that error proofing can increase operational errors contradicts its purpose, which is to minimize errors. Similarly, suggesting that error proofing is irrelevant in highly automated environments neglects the fact that automation can still benefit from error-proofing techniques to enhance system reliability. Lastly, stating that error proofing solely relies on operator supervision implies a reactive rather than a proactive approach, which is not in line with the essence of true error proofing efforts.