Rissman_Psych120A_Fall2013_lec07 (final version) (2)

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Unformatted text preview: 1 4 9 2 1 7 7 6 1 8 1 2 2 0 1 3 ? What is the capacity of STM? ¨༊  George Miller (1956) ¤༊  The maximum number of items recalled without error is 7 ± 2 n༆  ¤༊  But what is an item? Memory span is not limited to a certain number of items per se, but rather by the number of chunks n༆  Chunking: Grouping a series of apparently random items into a smaller number of meaningful segments to enhance recall UFOIBMTNT UFOIBMTNT ¨༊  Nelson Cowan (2000) ¤༊  When rehearsal and long- term memory are factored out, our true STM capacity is actually only about 4 chunks Another memory experiment You will be presented with 20 words, one aoer the other. Each word will be presented for 2 seconds. ¨༊  Please try to remember the words for a later memory test. Aoer the last word, you will see the word “recall”, at which point...
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This note was uploaded on 12/06/2013 for the course PSYCHOLOGY 120A taught by Professor Reismann during the Fall '13 term at UCLA.

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