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Cognitive Illusions how we know what isn’t so George Matthews CC 2017

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Question of the day

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Question of the day Are humans rational?

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How does the mind work? get sensory inputs identify situation recall goals compare goals and situation figure out how to reduce gap execute actions cognition respond the common sense model

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How the mind really works . . . Daniel Kahneman, Thinking, Fast and Slow

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How the mind really works . . . system 1 everything’s normal Daniel Kahneman, Thinking, Fast and Slow

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How the mind really works . . . system 1 everything’s normal jump to conclusions create storyline go with the flow things make sense Daniel Kahneman, Thinking, Fast and Slow

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How the mind really works . . . system 1 everything’s normal jump to conclusions create storyline go with the flow things make sense business as usual Daniel Kahneman, Thinking, Fast and Slow

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How the mind really works . . . system 1 everything’s normal jump to conclusions create storyline go with the flow things make sense business as usual system 2 pay attention! WTF! Daniel Kahneman, Thinking, Fast and Slow

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How the mind really works . . . system 1 everything’s normal jump to conclusions create storyline go with the flow things make sense business as usual system 2 pay attention! WTF! look closely calculate carefully check for mistakes make plans Daniel Kahneman, Thinking, Fast and Slow

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How the mind really works . . . system 1 everything’s normal jump to conclusions create storyline go with the flow things make sense business as usual system 2 pay attention! WTF! look closely calculate carefully check for mistakes make plans deliberate action Daniel Kahneman, Thinking, Fast and Slow

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How the mind really works . . . system 1 everything’s normal jump to conclusions create storyline go with the flow things make sense business as usual system 2 pay attention! WTF! look closely calculate carefully check for mistakes make plans deliberate action I’m tired. Daniel Kahneman, Thinking, Fast and Slow

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bananas vomit

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system 1 at work

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system 1 at work ! involuntary bodily and emotional responses

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system 1 at work ! involuntary bodily and emotional responses ! assumptions

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system 1 at work ! involuntary bodily and emotional responses ! assumptions temporal sequence

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system 1 at work ! involuntary bodily and emotional responses ! assumptions temporal sequence causal connection

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system 1 at work ! involuntary bodily and emotional responses ! assumptions temporal sequence causal connection ! expectation formation

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system 1 at work ! involuntary bodily and emotional responses ! assumptions temporal sequence causal connection ! expectation formation ! coherent storyline generation

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A simple test.

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WASH

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EAT

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SO_P

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Common cognitive biases

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Common cognitive biases ! Priming/Anchoring: “I’ve heard it before, it must be true!”

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Common cognitive biases ! Priming/Anchoring: “I’ve heard it before, it must be true!” ! Familiarity effect: “The more I see of Donald Trump, the more I like him!”

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Common cognitive biases ! Priming/Anchoring: “I’ve heard it before, it must be true!” ! Familiarity effect: “The more I see of Donald Trump, the more I like him!” ! Dramatic instances effect/neglect of probability: “I’ll pay more for insurance against death by terrorism than against death in general.”

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Common cognitive biases ! Priming/Anchoring: “I’ve heard it before, it must be true!” ! Familiarity effect: “The more I see of Donald Trump, the more I like him!” ! Dramatic instances effect/neglect of probability: “I’ll pay more for insurance against death by terrorism than against death in general.” ! Confirmation bias: “I keep seeing confirmation of my beliefs!”

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Common cognitive biases ! Priming/Anchoring: “I’ve heard it before, it must be true!” ! Familiarity effect: “The more I see of Donald Trump, the more I like him!” ! Dramatic instances effect/neglect of probability: “I’ll pay more for insurance against death by terrorism than against death in general.” ! Confirmation bias: “I keep seeing confirmation of my beliefs!” ! In-group bias: “Everyone I know thinks like I do.”

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Common cognitive biases ! Priming/Anchoring: “I’ve heard it before, it must be true!” ! Familiarity effect: “The more I see of Donald Trump, the more I like him!” ! Dramatic instances effect/neglect of probability: “I’ll pay more for insurance against death by terrorism than against death in general.” ! Confirmation bias: “I keep seeing confirmation of my beliefs!” ! In-group bias: “Everyone I know thinks like I do.” ! Status quo bias: “Yes the incumbent is a criminal, but he is a familiar criminal.”

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Which do you prefer?

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Which do you prefer? A. $ 10 now B. $ 11 tommorrow

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Which do you prefer? A. $ 10 next Thursday B. $ 11 next Friday