Edexcel A Level Psychology Baddeley
LTM study (1966b) June 2024 Exam
Questions and Answers 100% Pass
Aim - Answer>> To find out if the LTM encodes acoustically or
semantically
Participants in this experiment - Answer>> 72 mixed men and
women from APRU subject panel, about 20 per group
How were ppts grouped? - Answer>> In 4 groups based on
which list, acoustically similar/dissimilar and semantically
similar/dissimilar
Procedure - Answer>> 4 trials of same list, presented in slides 1
word every 3 seconds
Each trial presentation/distraction/test
Words were presented together on the board, given 40 seconds
to write down the 10 words in order after each trial
Repeat steps above 4 times
15 minutes of self paced digit copying
Surprise test, asked to wrote 10 word list in order
What was the distraction test? - Answer>> 6 lots of an 8 digit
sequence, 1 digit per second with 8 seconds to write down
Results - Answer>> No significant difference in the acoustic
lists, semantically dissimilar significantly better recall
Conclusion - Answer>> Learning of words was impaired by the
semantic similarity, shows that LTM encodes semantically similar
words together so recall gets mixed up, transferral to LTM
involves a stage when material is in the STM
Previous studies suggest STM encodes acoustically
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