Coding, capacity and duration

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  • Coding, capacity and duration
    • Coding
      • How it gets in memory
      • STM - acoustically coded
      • LTM - semantically coded
      • Baddeley (1966) - 4 groups with different lists of words to memorise
        • Artificial stimuli
        • Separate memory stores
    • Capacity
      • How much information can be stored
      • STM - 7 +/- 2
        • Miller's magic number
      • LTM - unlimited
    • Duration
      • How long it stays in memory
      • STM - ~18 seconds
        • Peterson and Peterson (1959) - counting back in groups of 3
          • Artificial, meaningless stimuli
      • LTM - forever
        • Bahrick (1975) - yearbook study
          • High external validity

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