Memory - A01 & A02 - George Miller (1956)

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What did Miller study?
Capacity of STM
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What did Miller do?
Reviewed psychological research.
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What did Miller find?
that the span of immediate memory is 7; (- 7+/-2 ) people can cope reasonably well with counting 7 dots on flashed onto a screen but not many more than this.The same is true is you are asked to recall musical notes,digits,letters and even words.
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What does this suggest/show?
Suggests that the capacity of STM is limited ( 7+/-2)
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A limitation to Millers study
The capacioty of STM may be even more limited. Cowan (2001) reviewd a variety of studies on the capacity of STM and concluded that STM is likely to be limited to about 4 chunks.
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What does Cowan (2001) limitation to Millers (1956) study suggest/show?
STM may not be as extensive as was first thought.
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A second limitation to Millers (1956) study.
Miller did not concider individual differences. Jacobs (1887) found that recall (digit span) increased steadily with age; 8 year olds could rememebr an average of 6.6 digits, whereas the mean of 19 years olds was 8.6 digits.
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What does Jacobs (1887) limitation to Millers (1956) study suggest/show?
That that capacity of STM varies from age. e.g. increases as we get older.
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Card 2

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What did Miller do?

Back

Reviewed psychological research.

Card 3

Front

What did Miller find?

Back

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Card 4

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What does this suggest/show?

Back

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Card 5

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A limitation to Millers study

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