Evaluate Safety Incidents with The Substitution Test
When investigating a safety incident, if you believe the root cause was human error, you should use the substitution test. Ask yourself, "Would another worker do the same thing?" Then, put a worker in a similar situation and observe if they make the same error. If the answer is yes, there's a larger safety issue that needs to be addressed and it's time to re-evaluate your safety process for gaps in knowledge-based decision making.
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Shared By Blaine, Workplace Safety and Health Manager
When investigating a safety incident, if you believe the root cause was human error, you should use the substitution test. Ask yourself, "Would another worker do the same thing?" Then, put a worker in a similar situation and observe if they make the same error. If the answer is yes, there's a larger safety issue that needs to be addressed and it's time to re-evaluate your safety process for gaps in knowledge-based decision making.
