Multi store model AS AQA Psychology

Multi store model AS AQA Psychology

1. STM

   • DURATION OF STM
     • Peterson and Peterson(1959)
       • Trigrams and intervals of 3s
     • Marsh et al (1997)
       • Duration brief if recall unexpected
   • Encoding of STM
     • Baddeley(1966)
       • Cat, mat, auditory confusion. auditory encoding
       • Only 15% of words recalled
         • Acoustic basis
     • Posner and Keele(1967)
       • Encoding is visual, AA more remembered than Aa
   • Encoding
     • Jacobs(1987)
       • Capacity for letters was 7 & 9 for numbers
     • Miller(1956)
       • Capacity of STM limited to 5-9 pieces, chunk is important

2. LTM

   • Encoding
     • Baddeley(1966)
       • 55% of words after 20 minute gap
       • Semantic encoding
     • Nelson and Rothbart(1972)
       • Homophones e.g. knight or night.
         • acoustic encoding
   • Duration
     • Bahrick et al (1975)
       • 90% of faces and names under 15 years/80% of names and faces 48 years ago