Subjective Assessment Techniques Simpson-Sheridan/ Cooper-Harper · Bedford scale Rate or perceived Exertion(RPE NASA Task Load Index(TLx) Defense Research Agency Workload Scale (DRAWS) Malvern Capacity Estimate ( MCE)Interface System Supervisory Control Computer Display Control Sensors Direct Observation Subjective Assessment Techniques ü Simpson-Sheridan/ Cooper-Harper ü Bedford Scale ü Rate or Perceived Exertion (RPE) ü NASA Task Load Index (TLX) ü Defense Research Agency Workload Scale (DRAWS) ü Malvern Capacity Estimate (MCE)