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Discuss research into the multi-store model

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´╗┐Discuss Research Into The Multi-Store Model (12 Marks) The Multi-store model of memory has inspired a lot of research into the different 'stores' that the model describes ? mainly the STM & LTM stores. Peterson & Peterson investigated the duration of STM in 1959 using an experiment based around trigrams. Participants of the experiment were shown nonsense trigrams (three random consonants, e.g. CVM) and were asked to recall them after either 3,6,9,12,15 or 18 seconds. During the pause, they were asked to count backwards in threes from a given number, this was an interference task, to stop them from rehearsing the trigrams in their heads. ...read more.


Only one type of stimulus was used ? the duration of STM may change depending on the type of stimulus, finally, each participant saw many different trigrams, which could have led to confusion, making the first trigram the only realistic trial. Bahrick et al studied LTM in 1975 using an experiment based around college graduates. The participants of the experiments consisted of people who have graduated from college, the participants time since graduation varied from two weeks to 57 years, and participants were aged 17 to 74 years old, in total there were 392 participants and their yearbooks used in the experiment. The researchers selected 130 pictures from each yearbook to use in the various experimental conditions ? these were free recall of names, and then (in randomised order and using a different sample of pictures each time) ...read more.


Bahrick's experiment is a strong and reliable one as it has a high level of mundane realism : remembering faces and names is something we all do everyday, it was a field experiment so it had high ecological validity. However there are some flaws within the experiment, for example familiar faces are a very specific type of information and therefore these results can't be generalised across all studies of LTM, also this type of information could be rehearsed (if you were still in touch with your class mates, or if you talk to your friends about memories of classmates), increasing the rate of recall. This experiment showed better recall than other studies on LTM, but this may be because meaningful information is stored better than others. ...read more.

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