Memory

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  • Created by: Sopha8
  • Created on: 25-11-14 15:39
Briefly decribe the duration, capacity and encoding of STM and LTM
STM- seconds and minutes (rehearsed), 7+or-2, acoustic and visual, LTM- hours, days and years, potentially unlimited, semantic
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What was Peterson and Peterson's study?
duration of STM, consonant trigram, count backwards in three's then recall after different periods of time. without rehearsal, duration is less than 18s
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Evaluate Peterson and Peterson's study
good-tighlty controlled variables, limitations-lacks ecological validity, only one stimuli
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What was the study into capacity in the STM? evaluate it
Jacobs- string of numbers or letters increasing length, recall in order. average 9 numbers, 7 letters, good- miller's study 7 chunks, limitations-ecological validity, not semantic
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Decribe a study into encoding
Baddeley- 4 sets of words, acoutically and sematically similar anf dissimilar, recall immediately, after 20 min task. STM-difficulty acoutically similar, LTM-difficulty semantically similar.
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Evaluate Baddeleys study
good- Corad: worst at acoutically similar letters, limitations- too simple Brandimote found STM encoded visually too
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What can be concluded from Bahrick et al's study on VLTM?
recognition better than recall
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Card 2

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What was Peterson and Peterson's study?

Back

duration of STM, consonant trigram, count backwards in three's then recall after different periods of time. without rehearsal, duration is less than 18s

Card 3

Front

Evaluate Peterson and Peterson's study

Back

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Card 4

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What was the study into capacity in the STM? evaluate it

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Card 5

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Decribe a study into encoding

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