Duration of Memory Studies: Bahrick et al Flashcards Preview

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Flashcards in Duration of Memory Studies: Bahrick et al Deck (16)
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1
Q

Bahrick et al date

A

1975

2
Q

Bahrick et al study name

A

Investigating LTM in a Natural Setting

3
Q

Method: Part 1

A

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

4
Q

Method: how many participants took part?

A

392

5
Q

Method: Part 1 test name

A

free-recall test

6
Q

Method: Part 2

A

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

7
Q

Method: Part 2 test name

A

photo-recognition test

8
Q

Results: 15 years

A

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

9
Q

Results: free recall

A

they were about 60% accurate on free recall

10
Q

Results: 30 years

A

free recall had declined to about 30% accuracy

11
Q

Results: 48 years

A

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

12
Q

Conclusion: evidence

A

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

13
Q

Conclusion: access

A

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.

14
Q

Evaluation: ecological validity

A

this was a field experiment and so had high ecological validity

15
Q

Evaluation: type of experiment

A

field experiment

16
Q

Evaluation: control

A

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