Duration, Capacity and Encoding notes

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Duration, Capacity and Encoding -


Duration of STM: 20 seconds (peterson and peterson with 3 digits and 3 letters, after 3 seconds recall was 80% after 18 seconds was 3%, therefore STM duration is less than 18 seconds if verbal rehearsal is prevented).

Duration of LTM: 2 hours- 100 years (Bahrick used graduates and their yearbook photos, 48 years later people were tested and 70% could remember faces).

Capacity of STM: 7 items +/-


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