Psychology of chunking

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Research. Miller's ‘chunking’ theory suggests that the magic number 7 (plus or minus 2) is the average amount of data a person can store in the short-term memory. To get people to remember more, the data needs to be ‘chunked’ into smaller parts. For example, short-term memories can recall about 7 words, but participants can recall almost 28 words when they are grouped into 4 categories with 7similar words in each group.

Miller (1956). Some limits on our capacity for processing information

“Never be intimidated by what seems ominous, for big is only an accumulation of many smalls.”

Pro tip. Try combining with (M3) Goal-gradient effect.