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Psychology > Short Term And Long Term Memory > Flashcards

Short Term And Long Term Memory Flashcards

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1
Q

What is the magic number?

A

7 ± 2

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2
Q

Who proposed the magic number?

A

George Miller

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3
Q

Who argued that STM capacity could be more limited than George Miller first proposed?

A

Cowan

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4
Q

Does the size of chunks matter when it comes to STM?

A

Yes, it is harder to store larger chunks

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5
Q

Does the capacity of STM change with different individuals?

A

Yes, Jacobs found that some ages are able to remember more digits than others

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6
Q

Average digits remembered for 8 year olds?

A

6.6

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7
Q

Average digits remembered for 19 year old?

A

8.6

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8
Q

What is the more accurate STM capacity?

A

4 chunks

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9
Q

What is the duration of STM and LTM?

A

18-30 secs for STM and potentially infinite for LTM

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10
Q

What is a criticism of Petersons study?

A

Their may have been displacement in their STM when asked to recite the numbers

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11
Q

Who did the LTM duration study?

A

Harry Bahrick

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12
Q

Who did the first STM duration study?

A

Peterson and Peterson

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13
Q

Who did the other STM study, and how did they make it more accurate?

A

Reitman, used auditory tones instead of numbers. Stops displacement from happening

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14
Q

What is LTM’s and STM’s main coding technique

A

LTM: semantic STM: acoustic

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15
Q

What are the 3 coding forms?

A

Acoustic, Semantic and Visual

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16
Q

What is a criticism of Baddeley’s study?

A

One criticism is that he never properly measured LTM as he waited only 20mins for the participants before asking them to recall the word lists

17
Q

How did Baddeley test coding types?

A

Used word lists some acoustic and some semantic.

E.g. cat, cab, can, cad etc… (acoustic)
Or great, large, big, huge etc… (semantic)

18
Q

Is LTM’s and STM’s main coding form exclusive?

A

No, other tests show different coding forms being used.

Psychology (9 decks)

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