Memory

Memory

1. Multi-Store Model of Memory

   • Atkinson and Shiffrin 1968
   • Sensory Memory
     • Temporary store that retains unprocessed info
       • Iconic
       • Echoic
   • Short Term Memory
     • Duration
       • Less than 30 seconds
       • Peterson and Peterson
         • 3 letter and 3 number memory test (XML 846) AROUND 20 SECONDS
       • Marsh et al
         • Brief when no knowledge of recall Longer if they know they need to
       • EVALUATION
         • little mundane realism
         • research lacks visual stimuli
     • Capacity
       • 7+/-2 chunks
       • Jacobs
         • Numbers - 9 Letters - 7
       • Baddeley
         • Numbers increased if read aloud
       • Miller
         • 5-9 however can increase with chunking
       • EVALUATION
         • age and practice affects it
         • individual differences
     • Encoding
       • Mainly acoustic or visual
       • Baddeley
       • Posner + Keele
       • EVALUATION
   • Long Term Memory

2. The Working Memory Model

   • Baddeley and Hitch 1974

3. Improvement

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