Memory STM & LTM
- Created by: Isabella.Shep
- Created on: 03-03-19 15:21
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- STM & LTM
- Capacity
- How much information can be stored.
- STM
- Miller (1956) The Magic Number 7+/-2
- Evaluation
- Size of the chunk matters
- Simon (1974) shorter memory span for larger chunks
- Individual differences
- Jacobs, recall increased steadily with age.
- Capacity may be more limited.
- Cowan (2001) reviewed studies and concluded that the STM is limited to 4 chunks
- Size of the chunk matters
- Evaluation
- Miller (1956) The Magic Number 7+/-2
- Duration
- STM
- Peterson & Peterson (1959) Pps given constant syllable + 3 digit number and recall after 3,5,9,12,15,18 seconds
- Evaluations
- Testing was artificial
- May be due to displacement
- Evaluations
- Peterson & Peterson (1959) Pps given constant syllable + 3 digit number and recall after 3,5,9,12,15,18 seconds
- LTM
- Bahrick et al (1975) test 400 people, photo recognition test.
- Evaluation
- Individual difference
- May be health factors
- Evaluation
- Bahrick et al (1975) test 400 people, photo recognition test.
- How long information is stored for
- STM
- Encoding
- LTM
- Baddeley (1966)
- LTM is mainly acoustic (cat, cab, cap)
- STM is mainly semantic (great, large, big)
- Evaluation
- STM may not be exclusively acoustic
- Visual codes are also used in STM
- Baddeley may not have tested the LTM
- STM may not be exclusively acoustic
- Baddeley (1966)
- Way information is stored
- LTM
- Capacity
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