HFACS Level 1: unsafe acts includes which categories?

The correct answer identifies that unsafe acts, at Level 1 of the Human Factors Analysis and Classification System (HFACS), encompass both errors and violations. This classification is crucial in understanding how human behavior contributes to safety incidents.

Errors refer to unintentional actions that result in an undesirable outcome, which can stem from a lack of knowledge, skill, or attention. They are often mistakes made during tasks that are normally performed competently. Violations, on the other hand, involve the deliberate deviation from established rules or procedures. They include acts such as intentionally ignoring regulations or shortcuts that are taken despite knowing the risks involved.

By combining these concepts, HFACS effectively categorizes unsafe acts as those behaviors that can lead to accidents or incidents in the workplace. This helps organizations identify areas where training, enforcement of rules, or system adjustments might be necessary to reduce the likelihood of such unsafe acts occurring in the future.

The focus on errors and violations provides a comprehensive overview of the human factors impacting safety, allowing for targeted interventions that can improve the overall safety culture.