Short term memory has 3 main aspects:
- Limited capacity - only about 7 items can be stored at a time.
- Limited duration - storage is very fragile and information can be lost with distraction or passage of time.
- Encoding - Primarily acoustic.
Miller's magic number 7 (plus or minus two) provides evidence for the capacity of short term memory. Most adults can store between 5-9 items in STM. Miller said that the STM only…