Cognitive Flashcards

1
Q

Loftus and Palmer - sample

A

1 - 45 students from the university of Washington , Seattle - split into 5 groups
2- 150 students split into 3 groups of 50

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2
Q

Loftus and Palmer - verbs

A

Smashed
Collided
Bumped
Hit
Contacted

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3
Q

Loftus and Palmer - results - ex 1

A

Smashed - 40.8 mph
Collided - 39.3 mph
Contacted - 31.8 mph

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4
Q

Loftus and Palmer - conclusion - 1

A

Participants are not good at estimating speeds of moving vehicles . The intensity of the verb impacts our speed estimates

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5
Q

Loftus and palmer - 2

A

Broken glass - a week later

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6
Q

Loftus and Palmer - results - 2

A

Smashed - yes - 16 - no - 34
Hit - yes - 7 - no - 43
Control - yes - 6 - no - 44

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7
Q

Loftus and Palmer - conclusion - 2

A

No broken glass was shown in the video ; therefore any reports are due to reconstructed memory as a result of a leading question

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8
Q

Loftus and Palmer - reliability

A

Internal - yes , replicable - clear number of controls

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9
Q

Loftus and Palmer - validity

A

Not ecologically valid
Not that generalisable - students

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10
Q

Moray - key terms

A

Cocktail party effect
Dichroic listening
Shadowing
Affective instruction
No - affective instruction

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11
Q

Moray - experiment 1 - sample

A

Undergraduate students at Oxford of both sexes

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12
Q

Moray - experiment 1 - procedure

A

A short list of simple words was spoken 35 times as the rejected or blocked message. At the end of the shadowing task participants were asked to recall all they could remember from the rejected message - recognition test - 21 words - 7 from shadowed - 7 from rejected - 7 similar but not in

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13
Q

Moray - experiment 1 - results

A

7 words taken from the shadowed passage - 4.9
7 words taken from the list in the rejected message - 1.9
7 similar words that appeared in neither passage - 2.6

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14
Q

Moray - experiment 1 - conclusion

A

Almost none of the verbal content of the rejected message is able to penetrate the block set up

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15
Q

Moray - experiment 2 - aim

A

Found out that little to information pass through the inattentive barrier - wanted to find out what could break it - would a message with a strong enough meaning to the participant break the barrier

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16
Q

Moray - experiment 2 - sample

A

12 participants

17
Q

Moray - experiment 2 - procedure

A

Participant name - affective
Two passages of light fiction were heard in each ear - both passages instructions - monotone 130 words per minute by a male voice

18
Q

Moray - experiment 2 - results

A

Number of times the affective instruction was presented in the rejected passage - 39
Number of times the affective instruction was heard - 20
Number of times the non affective instruction was said - 36
Number of time the non affective instruction was heard - 4

19
Q

Moray - experiment 3 - aim

A

Would prior warning about what that would be asked change what participants might hear ?

20
Q

Moray - experiment 3 - sample

A

Two groups of 14 participants

21
Q

Moray - experiment 3 - procedure

A

Participants were asked to shadow the dichroic message - variety of messages - number towards the end - numbers in both - number only in shadowed - numbers in rejected - no numbers

22
Q

Moray - experiment 3 - results

A

No significant results found . Numbers not important enough to break through

23
Q

Simon and Chabris -background

A

Computer based dynamic displays
Video based dynamic events

24
Q

Simon and chabris - aims

A

Confirm inattentional blindness occurs in realistic complex situations

25
Q

Simon and chabris - sample

A

228 observers - almost all undergraduate students - Harvard based - reward - candy bar or single payment

26
Q

Simon and Chabris- video clip controls

A

Same actors , same day , same location
Each video lasted 75 seconds
2 teams with 3 players - white team and black team
Unexpected event occurs between 44 and 48 seconds

27
Q

Simon and Chabris- IVs

A

Opaque or transparent
Black team or white team
Easy or hard
Gorilla or umbrella women

28
Q

Simon and Chabris- results

A

47% level of unattentional blindness
54% of participants did see the unexpected event

29
Q

Grant - aims

A

To test for context dependency effects caused by the presence or absence of noise during learning and retrieval of meaningful material

30
Q

Grant - sample

A

Snowball - 8 psychology students from a psychology class acted as experimenters and each recruited 5 acquaintances as participants- 39 participants were recorded - aged 17-56 years old

31
Q

Grant - test conditions / procedure

A

Silent, silent
Noisy noisy
Noisy silent
Silent noisy
Recognition- multiple choice
Recall - short answer

32
Q

Grant - results

A

Recall - out of 10 - ss - 6.7 - ns - 5.4 - sn -4.6 - nn - 6.2
Recognition- out of 16 - ss - 14.3 - ns -12.7 - ns -12.7 - nn- 14.3

33
Q

Grant - conclusion

A

There are context - dependency effects for newly learned meaningful material - best performance in an environment with the same level of noise