Human Performance Management Best Practice 1b – Verbalized Self Checking
Even the most well-intentioned and dedicated humans are fallible. Therefore, the challenge becomes one of minimizing human error.
Verbalizing the written word further engages the activity performer in the task at hand. By speaking the directions, the performer is driven to mentally register the assigned actions.[wcm_restrict plans=”41178, 25542, 25653″] Additionally, verbalization compels the performer to hear the instructions; reinforcing the action to be taken.
Verbalization of action steps as a part of the self checking process follows the same guidelines as those for demonstratively self checking and should be performed in conjunction with that technique to maximize self checking effectiveness. When verbalizing the self checking process, the performer reads the instructions, announces the equipment/controller to be manipulated, states the direction and magnitude of action, verbalizes is the expected response, and where the response is to be observed. The performer repeats these pronouncements during the activity’s execution.
Used during the deliberate manipulation of physical equipment when the operator’s actions are consequential.
- Plant operators manipulation of valves, breakers, and control switches
- Data entry personnel keying important data; especially if no follow-on accuracy checks are to be performed
STOP: The action performer ceases all other activities and focuses on the action at hand.
THINK: The action performer considers the action to be taken; reviewing associated procedures, device/equipment labeling, operational parameter indicators, and associated data as well as mentally defining the expected changes in the system or systems’ operating parameters once the action is taken. The action performer reads the instruction line item aloud, announces component to be operated and its final state position, and verbalizes the instrument(s) to be used to ensure a proper response is obtained once the component is operated – including the actual response to be observed.
ACT: The action performer deliberately executes the desired action while monitoring the associated system(s) response. Before operating the component, the action performer again announces the component to be operated and its final state position.
REVIEW: The action performer verifies all expected system(s) responses occurred and that no unexpected changes are realized. When performing this verification, the action performer again verbalizes the desired and actual response obtained.[/wcm_restrict][wcm_nonmember plans=”41178, 25542, 25653″]
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