MEMORY - STM LTM - capacity, duration, encoding

MEMORY - STM LTM - capacity, duration, encoding

1. CAPACITY - amount of mem

2. DURATION - how long

3. ENCODING - info changed

4. PETERSON AND PETERSON - DURATION OF STM 24 uni students; consonant syllable; number ; retention time; 3 second = 90%; 18 second = 2% when rehearsal is prevented STM = 20 s

   • EVALUATION - validity - what about other things? participants expected to be tested - used more than STM MARSH ET AL; not expecting forgetting after 2s

5. BAHRICK ET AL - REAL LIFE STUDY - participants of various ages to put names to faces - 48 years on 70% remembered

6. Jacobs - digit span technique - 9.3 4 items . 7.3 4 letters miller 1956 7+-2