ABSTRACT
Performance Requirements ............................................................ 563 18.4.12 Perform Actual or Simulated Task Analysis .................................. 563 18.4.13 Determine Design Questions or Problems Encountered ................ 563 18.4.14 Understand the Design Questions ..................................................564 18.4.15 Select Candidate Design Concepts for
Evaluation and Testing ...................................................................564 18.4.16 Document and Justify Recommended Design Features or
Options ........................................................................................... 565 18.4.17 Map Performance Requirements Onto a Human User ................... 565 18.4.18 Are Acceptable Stimuli Presented to the User? .............................566 18.4.19 Stimulus Intensity Adequate? .........................................................566 18.4.20 Visual Acuity Problems ................................................................. 569 18.4.21 Audition Problems .......................................................................... 572
18.4.22 Are Signals Detected As Expected? .............................................. 575 18.4.23 Is the Information Confusing the Operator or User? ..................... 579 18.4.24 Have You Relied Too Heavily Upon an Affordance? .................... 581 18.4.25 Are the Cognitive Demands Acceptable? ...................................... 582 18.4.26 Human Memory Limits ................................................................. 582 18.4.27 Design in Memory Aids ................................................................. 585 18.4.28 Does the Design Support Human Decision Making? .................... 586 18.4.29 Reduce Mental Workloads ............................................................. 589 18.4.30 Mental Workload Assessment ........................................................ 590 18.4.31 Are Motor Performance Demands Excessive? ............................... 592 18.4.32 Are Anticipated Reaction Times Realistic? ................................... 592 18.4.33 Are Open-Loop Performance or Discrete Movement
Times Realistic? ............................................................................. 593 18.4.34 Manual Tracking or Closed-Loop Performance
Demands Excessive? ...................................................................... 594 18.4.35 Anthropometric Requirements Met? ............................................. 596
18.5 Design Using Appropriate Ergonomic Standards, Codes, and Regulations ...........................................................................................600
18.6 Other Considerations ................................................................................... 601 18.6.1 Training Team Design Members ................................................... 601 18.6.2 Do You Need to Select and Train Your Personnel? .......................602 18.6.3 Understand the Level of Effort ......................................................602
