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A2 Psychology > Mann > Flashcards

Mann Flashcards

1
Q

What subsection is Mann apart of?

A

Interviewing suspects

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2
Q

What are the other studies in this subsection?

A

Mann

Inbau gudjohnsson

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3
Q

What was the aim of of Mann research?

A

To test police officers ability to distinguish truths and lies during police interviews with suspects

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4
Q

What was the method?

A

Field

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5
Q

How many participants were there?

A

99 police officers 24 females 75 males

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6
Q

What jobs did participants have?

A

Detectives traffic officers

Trainers

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7
Q

What was the main task given to p/s?

A

Asked to judge the truthfulness of people in real life police interviews

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8
Q

How many suspects were there?

A

14

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9
Q

What controls where used?

A

Showing head, torso so expressions and movements were visible

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10
Q

How many clips were there and how did they vary?

A

6-145 seconds

54

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11
Q

What did officers have to complete?

A

A questionnaire on experience of telling lies

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12
Q

What did participants have to do after they watch the clips?

A

State whether they thought if it was the truth or a lie
How confident they were in their decision
Then to list cues they had seen to detect lies

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13
Q

What was the mean lie accuracy?

A

66.2%

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14
Q

What was the mean truth accuracy?

A

63.6% (not significant but greater than chance)

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15
Q

What was another finding?

A

Experience in interviewing was correlated with truth accuracy and lie accuracy

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16
Q

What was the most frequently mentioned cues?

A

Gaze
Movements vagueness
Contradictions fidgeting

17
Q

What was the first conclusion ?

A

The level of accuracy are higher than in other studies

Highest for ordinary police officers

18
Q

What was the second conclusion?

A

The more experienced an officers, the better they are at detecting lies
Good lie detectors rely on story cues rather than stereotypical views of certain cues

19
Q

What is a final cue?

A

Police officers can detect lies above level of.chance but often pay attention to cues that are not diagnosis cues to deceit possibly due to appearing in police manuals

A2 Psychology (44 decks)

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