Coding, Capacity & duration of memory


Span of memory and chunking

George Miller (1956) made observations of everyday practice. Things come in sevens; 7 days in the week, 7 deadly sins, 7 notes on the scale etc. He decided that we usually remember about 7 chunks (- or + 2) in our short term memory (STM).

However Miller actually over estimated the STM capacity. 

After reading other research, Nelson


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