Grant et al. - 1998 Flashcards

1
Q

How does the environment impact memory recall?

A

recall is better when the participant is in the same environment that information was learned

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2
Q

What is state-dependent retrieval?

A

you have to be in the same state during retrieval as you were in during encoding (drunk or sober)

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3
Q

What is the encoding Specificity Principle?

A

memory is best when information is provided at encoding is present at time of retrieval

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4
Q

What is context dependent memory?

A

improved recall of specific episodes or information when the context present at encoding and retrieval are the same

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5
Q

What did Godden and Baddeley test?

A

memory of scuba divers on land vs. in water

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6
Q

What did Godden and Baddeley find?

A

the environment they were introduced to the info was the one where they recalled the best

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7
Q

What should be done if there is a delay in learning and recall?

A

vary the setting when revising as it aids memory by adding context cues that boost recall

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8
Q

What was Grant interested in, in regards to memory?

A

whether environmental context-dependency effects would be found with the type of material and type of tests (esp. in school)

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9
Q

What did Grant aim to show about context-dependency?

A

that environmental context can have a positive affect on performance when the test takes place in the same environment the material was originally studied in therefore be more meaningful

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10
Q

What are the two types of memory tested in Grant’s study?

A

recall and recognition

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11
Q

What type of questions relate to recall?

A

short answer

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12
Q

What type of questions relate to recognition?

A

multiple choice

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13
Q

How does context dependency relate to the two types of questions?

A

context-dependency effects on memory for lists of unrelated words are shown more often with recall than recognition

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14
Q

What is a sentence to summarise the study?

A

39 participants all read an article in either noisy or silent conditions and reading comprehension is tested

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15
Q

What is the aim?

A

to show that environmental context can have a positive effect on performance and be meaningful

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16
Q

What are the 2 IVs in this study?

A

1- silent or noisy
2- matching or unmatching

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17
Q

What is the DV?

A

performance on recall and recognition tests

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18
Q

What is the method of the study?

A

lab experiment

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19
Q

What are strengths of this method?

A

high control over EVs = more valid results

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20
Q

What are the weaknesses of this method?

A
  • lacks ecologically validity (artificial environment)
  • lacks mundane realism
  • demand characteristics are more likely
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21
Q

What was the design?

A

independent measures

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22
Q

What is a strength of the design?

A
  • reduces order effects (fatigue, boredom, & practice)
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23
Q

What is the experimenter sample?

A

8 psychology students

24
Q

What is the sample?

A
  • 39 (orig. 40)
  • 17-56 age range
  • 17 female & 23 male
25
What are the weaknesses of the sample?
- lack population validity - small = not representative = not generalisable
26
How were the participants gathered?
each of the 8 experimenters were asked to gather 5 acquaintances each
27
What were the 3 stimuli?
1- cassette tape of background noise 2- reading material 3- tests
28
What was the background noise?
recorded noise from the university cafeteria
29
What are some types of noise in the cassette tape?
- conversations - movement of chairs
30
How was the cassette tapes standardised?
- exact copies were made for each experimenter
31
What was the reading material?
an article on psychoimmunology
32
What were the two types of test?
1- 10 short-answer (recall) 2- 16 multiple choice (recognition)
33
Why is the order of the tests important?
the short answer has to be first to ensure information was recalled from the article was being tested and not information from the multiple choice
34
How were the questions ordered?
the same order as they appeared in the article
35
How were participants allocated to a condition of the IV?
randomly
36
What is a strength of using allocation method?
reduced experimenter bias
37
What was step 1 of the procedure?
instructions were read aloud
38
What are some details of the instructions?
- participation was voluntary - it was a class project
39
What was the first task for participants?
to read the article once as if for an assignment - highlighting underlining etc.,
40
What did experimenter record during this period?
reading time
41
What were participants informed of?
that their reading comprehension will be tested
42
What was standardised about the procedure?
ALL participants wore headphones even if in silent condition
43
What happened after the article was read?
a 2 minute break
44
What is the significance of this break?
it minimises chance of recall from the short term memory
45
How were the tests carried out?
short answer and then multiple choice
46
What were the conditions of these tests?
- tested in either noisy or silent conditions - informed of condition before testing - regardless of condition wore headphones
47
What happened at the end of the tests?
a debrief
48
How long did the procedure last?
30 minutes
49
What is important to note about the results?
1/40 participants results were not analysed due to being over the standard deviation of the group mean
50
What was recorded to create results?
1- mean reading time (mins) 2- mean correct answers on the two tests
51
What are some findings?
- participants in all groups spent roughly equal amounts of time studying the material - studying and testing in the same environment produced better results - no overall effect of noise on performance
52
What type of data was collected?
quantitative data
53
What are strengths of quantitative data?
- objective - easy to analyse and compare
54
What are the weaknesses of quantitative data?
- no reasoning 'WHY' for behaviour
55
What are the conclusions from the study?
- there are context dependency effects for newly learned meaningful material - studying and testing in the same environment leads to enhanced performance
56
What are the practical applications for this study?
- students