Evaluation Method

• 6 subjects at NIST, 8 at CUA

  • Subjects at NIST more familiar with IR and visualization technologies
  • 3 systems, text, 2D and 3D
  • Each subject spent 10 hours with 1 system
  • Spatial ability testing, one walk through explanation
  • 6 topics
  • For each topic, 16 tasks

• Testing navigation

• Measured time to completion, timed out after 3 minutes per task

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