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Jacob's Digit Span Test (STM Capacity)
Average span for digits are 9.3 items, 7.3 for letters. People found it easier to recall digits because there are only 9 digits - Whereas there are 26 letters
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Miller's Magic Number (7 ± 2) (STM Capacity)
Average capacity of STM is 5-9, as 7-2=5 and 7+2=9 (7 ± 2)
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Simon (Chunking)
Chunking helps to recall things easier for STM - Shorter memory span for larger chunks such as 8 word phrases than smaller chunks such as 1 syllable
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Cowan (Chunking)
Found that STM is limited to about 4 chunks, suggesting STM is not extensive
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Shepard and Bahrick (LTM Duration)
Showed participants 612 memorable pictures one at a time - An hour later they were showed more pictures mixed with previous ones and participants showed perfect recognition. ; 4 months later, they still recognized 50%
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Other cards in this set

Card 2

Front

Average capacity of STM is 5-9, as 7-2=5 and 7+2=9 (7 ± 2)

Back

Miller's Magic Number (7 ± 2) (STM Capacity)

Card 3

Front

Chunking helps to recall things easier for STM - Shorter memory span for larger chunks such as 8 word phrases than smaller chunks such as 1 syllable

Back

Preview of the back of card 3

Card 4

Front

Found that STM is limited to about 4 chunks, suggesting STM is not extensive

Back

Preview of the back of card 4

Card 5

Front

Showed participants 612 memorable pictures one at a time - An hour later they were showed more pictures mixed with previous ones and participants showed perfect recognition. ; 4 months later, they still recognized 50%

Back

Preview of the back of card 5

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