Duration of Memory Studies: Bahrick et al

Question 1

Bahrick et al date

Answer 1

1975

Question 2

Bahrick et al study name

Answer 2

Investigating LTM in a Natural Setting

Question 3

Method: Part 1

Answer 3

392 people were asked to list the names of their ex-classmates

Question 4

Method: how many participants took part?

Answer 4

392

Question 5

Method: Part 1 test name

Answer 5

free-recall test

Question 6

Method: Part 2

Answer 6

participants were then shown photos and asked to recall the names of the people shown

Question 7

Method: Part 2 test name

Answer 7

photo-recognition test

Question 8

Results: 15 years

Answer 8

within 15 years of leaving school, participants could recognise 90% of names and faces

Question 9

Results: free recall

Answer 9

they were about 60% accurate on free recall

Question 10

Results: 30 years

Answer 10

free recall had declined to about 30% accuracy

Question 11

Results: 48 years

Answer 11

name-recognition was about 80% accurate and photo recognition about 40% accurate

Question 12

Conclusion: evidence

Answer 12

the study is evidence of very-long term memories in a real life setting

Question 13

Conclusion: access

Answer 13

recognition is better than recall, so there may be a huge store of information, but it’s not always easy to access all of it - you need help to get to it.

Question 14

Evaluation: ecological validity

Answer 14

this was a field experiment and so had high ecological validity

Question 15

Evaluation: type of experiment

Answer 15

field experiment

Question 16

Evaluation: control

Answer 16

in a real-life study, its hard to control the variables, making the findings less reliable