Rational Experiental Inventory, REI
The Rational Experiental Inventory (REI) by Seymour Epstein measures to what degree people engage in two modes of thinking: Experimental (fast intuitive automatic) and Rational (slower logical) and includes subscales of self-reported ability and engagement in processing in each mode.
- R. Pacini, S. Epstein. The Relation of Rational and Experiential Information Processing Styles to Personality, Basic Beliefs, and the Ratio-Bias Phenomenon // Personality and Individual Differences, 1999. 76