Participants were briefly shown a consonant Trigram (three letters e.g.. CPW). Participants counted backwards in threes a a specified number to stop them rehearsing the letters in their heads. After intervals of 3,6,9,12,15 and 18 seconds participants were asked to recall the Trigram. This was repeated several times with different letters. Paterson & Peterson found that participants could recall about 80% of trigrams after 3 seconds and fewer trigrams were recalled the longer thetime intervals…
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