characteristics of the three memory stores Flashcards
duration of sensory memory
a few seconds
duration of short term memory
limited duration
duration of long term memory
may last a lifetime
capacity of sensory memory
very high
capacity of short term memory
a limited capacity
capacity of long term memory
practically unlimited
encoding, sensory memory
converting info from the environment into a form in which it can be stored in memory
encoding, short term memory
encoding is mainly acoustic, based on sounds
encoding, long term memory
encoding is mainly semantic, based on meaning
Peterson and Peterson 1959
duration of STM, consonant syllable to the participant followed by a 3 digit number eg SRT 238
Jacob’s 1887
capacity of STM, participants presented with a string of letters or numbers, they had to repeat back in same order, number of letters and numbers increased until they failed.
coding in STM and LTM
Baddeley 1966, pps were given 4 sets of words that were acoustically similar, acoustically dissimilar, semantically similar and semantically dissimilar then asked to recall the words