Saturday, May 31, 2014

09b - Summary of Part 1 (re. System 1)

Summary of Part 1 (re. System 1)

  • the “personality” of S1, provides hunches abt what S1 wd do

Characteristics of System 1

  • generates impressions, feelings, & inclinations; when endorsed by S2 these become beliefs, attitudes, & intentions
  • operates automatically & quickly, w. little or no effort, no sense of voluntary control
  • can be programmed by S2 to mobilize attention when a particular pattern is detected (search)
  • executes skilled responses & generates skilled intuitions, after adequate training
  • creates a coherent pattern of activated ideas in assoc. memory
  • links cogn. ease to illusions of truth, pleasant feelings, reduced vigilance
  • disting’s the surprising fr. the normal
  • infers & invents causes and intentions
  • neglects ambiguity, suppresses doubt
  • is biased to believe & confirm
  • exaggerates emotional consistency (halo effect)
  • focuses on existing evidence, ignores absent evidence (WYSIATI)
  • generates a limited set of basic assess’ts
  • rep’s sets by norms & prototypes, does not integrate
  • intensity matching across scales (e.g., size to loudness)
  • computes more than intended (mental shotgun)
  • sometimes substitutes an easier q. for a difficult one (heuristics)
  • more sensitive to changes than to states (prospect theory)
  • overweights low probabilities
  • shows diminishing sensitivity to quantity (psychophysics)
  • responds more strongly to losses than to gains (loss aversion)
  • frames decision problems narrowly, in isolation fr. one another

END OF PART 1

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