Human factors engineering focuses on designing systems and processes that account for human capabilities and limitations to improve safety and performance. Using checklists to complete complicated tasks (Answer D) is a prime example of applying human factors engineering to enhance patient safety.
Checklists help ensure that critical steps in a process are not overlooked, reducing the likelihood of errors, especially in high-risk, complex tasks such as surgical procedures or medication administration.
The other options, while important for patient safety, do not specifically represent human factors engineering:
Performing a root cause analysis on events of harm (A) is an investigative process for identifying underlying causes of errors, not a human factors engineering intervention.
Providing simulation training for high-risk patient care tasks (B) is an educational approach to improving skills and preparedness, not directly related to system design.
Having a second person check medication calculations (C) is a safety double-check but is more of a verification process than a systemic design change.
Reference: National Association for Healthcare Quality (NAHQ) - Certified Professional in Healthcare Quality (CPHQ) Study Materials.
Human Factors Engineering in Healthcare, NAHQ Documentation.