PETERSON AND PETERSON 1959
PROCEDURE:
- Asked subjects to rmeember a single nonsense syllable of three consonants (e.g. KPD)
- Giving them an interpolated task (distractor task) to stop them rehearsing the trigram (decided to count backwards in three from four hundred)
- Testing their recall after 3 ,6, 9, 12, 15 or 18 seconds
FINDINGS:
- Without rehersal, the duration of STM is very short... less than 18 seconds
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