Psychophysiological Models of Cognitive States Can Be Operator-Agnostic

Erin E. Richardson (University of Colorado Boulder), Savannah L. Buchner (University of Colorado Boulder), Jacob R. Kintz (University of Colorado Boulder), Torin K. Clark (University of Colorado Boulder), Allison P. Anderson (University of Colorado Boulder)

Abstract

Real-time prediction of a person's trust (T), mental workload (W), and situation awareness (SA) can improve safety and performance in operational environments. We develop psychophysiological models of TWSA both with and without operator-specific demographic information available to them and we assess the impact of this constraint on the models' performance. We demonstrate functional model fit (Adjusted 𝑅 2 : T = 0.67, W = 0.65, and SA = 0.88) and predictive ability with operator-agnostic models, assessed via leaveone-participant-out cross validation (𝑄 2 : T = 0.58, W = 0.45, and SA = 0.79). Our findings help establish the viability of operatoragnostic psychophysiological models of TWSA which could be used to inform an autonomous agent or manage multi-agent teams.