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Thinking, Fast and Slow

Thinking, Fast and Slow

Date read: 2021-01-13
How strongly I recommend it: 8.07/10
(See my list of books, for more.)

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Thinking, Fast and Slow

Pros and cons of system 1

“System 1 is generally very good at what it does: its models of familiar situations are accurate, its short-term predictions are usually accurate as well, and its initial reactions to challenges are swift and generally appropriate.

System 1 has biases, however, systematic errors that it is prone to make in specified circumstances. As we shall see, it sometimes answers easier questions than the one it was asked, and it has little understanding of logic and statistics. One further limitation of System 1 is that it cannot be turned off. If you are shown a word on the screen in a language you know, you will read it—unless your attention is totally focused elsewhere.”

System 1 and 2 definition

“System 1 operates automatically and quickly, with little or no effort and no sense of voluntary control.

System 2 allocates attention to the effortful mental activities that demand it, including complex computations. The operations of System 2 are often associated with the subjective experience of agency, choice, and concentration.”

System 1 and 2 interaction

“System 1 continuously generates suggestions for System 2: impressions, intuitions, intentions, and feelings. If endorsed by System 2, impressions and intuitions turn into beliefs, and impulses turn into voluntary actions”

“The division of labor between System 1 and System 2 is highly efficient: it minimizes effort and optimizes performance”