Capacity of Memory Studies: Jacobs

Question 1

date

Answer 1

1887

Question 2

study aim

Answer 2

look at the the capacity of STM

Question 3

Method - what were the participants presented with?

Answer 3

a string of letters or digits

Question 4

Method - what did the participants do with the string of letters/digits?

Answer 4

repeat them back in the same order

Question 5

Method - the test

Answer 5

the number of letters/digits increased until they couldn’t recall the sequence correctly

Question 6

Results: digits

Answer 6

9 digits

Question 7

Results: letters

Answer 7

7 letters

Question 8

Conclusion: 5-9

Answer 8

Jacobs concluded that STM has a limited storage capacity of 5-9 items

Question 9

Conclusion: individual differences

Answer 9

age
memory techniques
chunking

Question 10

Conclusion: digits vs letters

Answer 10

digits may have been easier to recall seeing there was only 10 digits but 26 letters

Question 11

Evaluation: ecological validity

Answer 11

jacobs research was artificial and lacks ecological validity as its not something that you do in real life