Capacity Flashcards
1
Q
Define capacity
A
The amount of info that can be held in the memory store
2
Q
Capacity experiment
A
Jacobs 1887
Miller 1956
3
Q
Jacobs experiment
A
Digital span- recall 4 digits and increase until participant cannot recall in correct order
4
Q
Jacobs findings
A
Mean
- 3 digits
- 3 letters
5
Q
Millers experiment
A
Made observations of everyday practice and noted the importance of 7’s
6
Q
Millers findings
A
Span of the STM is about 7(+/-2) but can be improved by chunking.
7
Q
Define chunking
A
Grouping sets of numbers or letters into units/chunks
8
Q
Limitation of Jacobs experiment
A
It was conducted a long time ago so results might not be as reliable
It lacks validity
9
Q
Limitation of millers experiment
A
May have overestimated the capacity of STM
