Providing Information and Feedback Analyze task to determine what information is needed · Provide feedback About effect of operators actions To detect human errors About state of system To update mental models To detect system faults Provide for failure of computer displays(by alternate sources of information Instrumentation to deal with malfunction must not be disabled by the malfunction Providing Information and Feedback(2 Inform operators of anomalies, actions taken, and current system state Fail obviously or make graceful degradation obvious to operator Making displays easily interpretable is not always best Feedforward assistance Predictor displays Procedural checklists and guides(be careful)c ��������������������� ����� Providing Information and Feedback Analyze task to determine what information is needed. Provide feedback: About effect of operator’s actions To detect human errors About state of system To update mental models To detect system faults Provide for failure of computer displays (by alternate sources of information. Instrumentation to deal with malfunction must not be disabled by the malfunction. c ��������������������� ����� Providing Information and Feedback (2) Inform operators of anomalies, actions taken, and current system state. Fail obviously or make graceful degradation obvious to operator. Making displays easily interpretable is not always best. Feedforward assistance: Predictor displays Procedural checklists and guides (be careful)