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A journey through our cognitive biases ALE2013 Oana Juncu

A journey through our cognitive biases

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WE make errors every day. We may soetimes say "how" could I ever had done that error? This is slide deck of the ALE2013 talk about what are our cognitive biases that lead us to wrong decisions.

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Page 1: A journey through our cognitive biases

A journey through our

cognitive biasesALE2013

Oana Juncu

Page 2: A journey through our cognitive biases

A little bio-story

“I make no sense”

Page 3: A journey through our cognitive biases

The Instinct of Survival

Page 4: A journey through our cognitive biases

Brain is a brilliant lazy machine

« Reason fools us more often than nature »

Page 5: A journey through our cognitive biases

The most popular decision tool

Heuristics =

Page 6: A journey through our cognitive biases

The test

A B

50% Unknown

Page 7: A journey through our cognitive biases

The availability bias

Page 8: A journey through our cognitive biases

Attribution bias

Page 9: A journey through our cognitive biases

Representatives bias

Conjunction bias

Page 10: A journey through our cognitive biases

Confirmation bias

E 6 7 J

Page 11: A journey through our cognitive biases

Retrospective bias

Page 12: A journey through our cognitive biases

The familiarity bias

What we know is safe. What we don’t know is

not.

Page 13: A journey through our cognitive biases

Status Quo bias

? ? ?

Page 14: A journey through our cognitive biases

A disease will kill 6000 people if we do nothing. We can pick a choice among 2 plans:

Plan A : 2000 people will be saved

Plan B : all people can be saved , but there is a chance out of three that all people 6000 will be saved , and 2 chances out of three that all people die

A choice…

Page 15: A journey through our cognitive biases

Loss Aversion Bias

Endowment effect

Page 16: A journey through our cognitive biases

If we know our cognitive biases, we’ll do less errors

Page 17: A journey through our cognitive biases

ReferencesO « Descartes Error », Antonio

DamasioO «  »Judgment under Uncertainity 

: Heuristic and Biases » ,Daniel Kahneman & Amos Tversky

O « Petite Philosophie de nos erreurs quotidiennes » , Luc de Brabandère

O « The Public Speaker Confessions » , Scott Berkun