Even the most well-intentioned and dedicated humans are fallible. Therefore, the challenge becomes one of minimizing human error.
While individual performed human performance tools can greatly reduce error rates, there exists some circumstances when even this resulting low error rate is intolerable. These situations are characterized by the immediacy of a highly adverse outcome should an action error be made. Thus, greater error avoidance must be built into the performance of these activities.
One such error reducing tool is the peer check. Peer checking engages an equally (and appropriately) qualified performer as a second verifier of the activity to be executed. Just as the performer, the peer checker self checks and verbalize is his/her concurrence or objection with the performer’s indicated actions prior to their being executed.
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