ALLISON SPIELMAN ADVISORS Cognitive Decision Making: How Your Brain Can Fool You January 29, 2013
Why Talk About Decision Making? It is what we do It can help you improve your life
Quiz In middle of page write down the last 3 digits of your phone number. Put a mark above or below if you think Attila-the-Hun died before or after the number you wrote. Now write down the year that you think Attila-the Hun died. Answer 453AD
Anchoring Richard Thaler Daniel Kahneman & Amos Tversky
OTHER EXAMPLES Mahatma Gandhi Proportion of African countries in the United Nations
IMPLICATIONS Negotiations Driving Relationship Fund Raising
Framing Classic Illustration: Rare Asian Disease
IMPLICATIONS Lawyers influencing juries Labor negotiations Medical decision
REPRESENTATIVENESS Tversky & Kahneman – The Linda Problem
IMPLICATIONS Jury decisions HIV testing
OTHER HEURISTICS Availability Recency Confirmation Over-confidence Loss Aversion 200 more by some estimates
POPULAR PRESS “Sway: The Irresistible Pull of Irrational Behavior” by Brafman & Brafman (2008) “Blind Spots: Why Smart People Do Dumb Things” by Van Hecke (2007) “Predictably Irrational: The Hidden Forces That Shape Our Decisions” by Ariely (2008) “Decision Traps: The Ten Barriers to Brilliant Decision Making” by Russo & Schoemaker “Everyday Irrationality: How Pseudo-Scientist, Lunatics, and the Rest of Us Systematically Fail to Think Rationally” by Dawes (2001)
So…Are we hopelessly irrational decision makers?
GARY KLEIN “What really happened is that Kahneman and Tversky designed their studies to demonstrate the limits of classical decision theory, not the limits of their subjects”
Two System Brain
SYSTEM 1 Automatic Quick Little or no effort No sense of voluntary control Operates below our consciousness (mostly)
SYSTEM 2 Effortful Complex computations Choice Concentration Consciousness
Two System Brain
Synaptic Connections
DOPAMINE Produces good feelings Expectations Amplified - Cortex
EXAMPLES Iowa Gambling Task Lt Riley
IMPLICATIONS Fire Fighters Code Blue Emergencies Driving
Dopamine
EXAMPLES Yale Undergrads vs. Lab Rats Apple iPods
IMPLICATIONS Stock Investing Investment Bubbles
Interaction Between System 1 and System 2
Shopping Choices
Making Shopping Decisions
APPLICATIONS – COGNITIVE BIASES Control the data Know when you are susceptible
APPLICATIONS – SYSTEM 1 OR SYSTEM 2 Less Important – System 2 More Important – System 1 Predictable Patterns – System 2 (maybe) Random Patterns – System 1 Puzzles vs. Mysteries
APPLICATIONS – IMPROVING DECISIONS Embrace Uncertainty Focus on Errors THINK ABOUT THINKING
OVER-COMING ERRORS Start with realistic anchors – GIGO Build expertise Put Judgments into perspective Represent data in a more usable fashion