Cognitive Psychology

Cognitive Psychology

1. STM

   • Peterson & Peterson
     • Shown nonsense trigrams
     • Asked to count backwards at same time
     • 3 seconds, 80% correct
     • 18 seconds, 10% correct
     • Duration
   • Jacobs
     • Capacity
     • Increasing number of letter strings
     • 9 digits, 7 letters
     • Capacity increased with age
   • Baddeley
     • Encoding
     • Given acoustic (dis)similiar,& semantically (dis)similiar wordsets
     • Asked to recall immediately or after 20 minute task
     • If immediate then acoustic was bad. If later then semantic was bad.

2. Models

   • MSM
     • Sensory Memory
       • Short Term Memory