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Memory AO1 > Features of the MSM > Flashcards

Features of the MSM Flashcards

1
Q

What is the MSM composed of?

A

Sensory register
STM
LTM

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2
Q

Define coding

A

The way in which info is processed to be stored into memory e.g. STM codes acoustically

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3
Q

Summarise coding in the MSM

A

SR - modality specific
STM - acoustic
LTM - semantic

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4
Q

Who did research into coding for STM and what was their aim?

A

Baddeley investigated how we code info in our STM

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5
Q

Describe Baddeleys procedure in his research into coding for STM

A
  • he showed ppts list of words in 4 categories
  • acoustically similar and disimilar
  • semantically similar and disimilar
  • IMMEDIATELY after each presentation, ppts asked to recall lists in correct order
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6
Q

Describe Baddeleys finding and conclusion in his research into coding for STM

A
  • he found more mistakes made on ACOUSTICALLY similar list
  • he concluded STM mainly concludes info ACOUSTICALLY
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7
Q

Who did research into coding for LTM and what was their aim?

A

Baddeley investigated how we code info in our LTM

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8
Q

Describe Baddeleys procedure in his research into coding for LTM

A
  • he showed ppts list of words in 4 categories
  • acoustically similar and disimilar
  • semantically similar and disimilar
  • 20 MINS after each presentation, ppts asked to recall lists in correct order
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9
Q

Describe Baddeleys finding and conclusion in his research into coding for LTM

A
  • he found more mistakes made on SEMANTICALLY similar list
  • he concluded LTM mainly concludes info SEMANTICALLY
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10
Q

Define capacity

A

The amount of info that can be held in memory e.g. capacity of STM is 5-9 items

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11
Q

Summarise capacity in the MSM

A

SR - unlimited
STM - 5-9 items
LTM - unlimited

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12
Q

Who did research into capacity and what was their aim?

A

Miller investigated the capacity of the STM

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13
Q

What was Millers procedure into research into capacity of the STM?

A
  • he used the digit span technique
  • ppts were given sequences of unrelated digits that inc by 1 digit each time
  • ppts digit span was measured until point they could no longer recall digits in correct sequence
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14
Q

What were Millers findings and conclusions into his research into capacity of the STM?

A
  • he found ppts could recall 5-9 items, however more could be recalled when chunked
  • he concluded capacity of STM is limited to 5-9 items, digit span can be inc by putting several items into a meaningful chunk
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15
Q

Define duration

A

The length of time info can be held in memory e.g. duration of STM is 18 - 30 seconds

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16
Q

Summarise duration in MSM

A

SR - limited = less than half a sec
STM - limited = 18 - 30 seconds
LTM - potentially forever

17
Q

Who did research into duration of the STM and what was their aim and sample?

A

Peterson and Peterson investigated the duration of the STM using 24 undergraduate students

18
Q

What was Peterson and Petersons procedure for their research into duration of the STM?

A
  • ppts were presented with a consonant trigram to remember
  • they were then given a 3 digit number and asked to count backwards from this number to prevent rehearsal
  • they were stopped at diff intervals (in secs) and asked to recall consonant trigram
19
Q

What was Peterson and Petersons findings and conclusions for their research into duration of the STM?

A
  • they found after 3 seconds only 80% recalled trigram correctly
  • after 18 seconds fewer than 10% recalled correctly
  • they concluded info in STM lasts 18 - 30 sec unless rehearsed
20
Q

Who did research into duration of LTM and what was their aim and sample?

A

Bahrick investigated duration of the LTM testing 392 american high school graduates aged bw 17 - 74

21
Q

What was Bahricks procedure for his research into duration of the LTM?

A
  • in condition 1, ppts had to recall names of their classmates using a photo yearbook
  • in condition 2, ppts had to recall names of classmates with no photo cue
22
Q

What was Bahricks findings and conclusions for his research into duration of the LTM?

A
  • condition 1 = 70% recalled accurately after 48 years
  • condition 2 = 30% recalled accurately after 48 years
  • he concluded certain types of info can potentially last forever, esp with correct cues
23
Q

What are the AO3 points to evaluate features of the MSM?

A

For capacity + duration of STM and coding of STM and LTM :
- high control over extraneous variables
- high reliability
- lacks mundane realism

Duration of LTM:
- high in mundane realism
- low control over extraneous variables

Memory AO1 (9 decks)

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