Duration Flashcards
1
Q
What is duration?
A
Length of time info can be held in memory store
2
Q
STM
A
Peterson and Peterson (1959)
Nonsense trigrams
Given 3 digit numbers- recall after retention period (up to 18s)
Memory disappears after 30s
- 3s -> 80% recalled correctly
- 18s -> 10% recalled correctly
3
Q
LTM
A
Bahrick (1975)
Year book- 17-74 year olds
90%- graduated within 15yrs
70%- graduated within 48yrs
Suggest LTM= potentially unlimited
