Memory - anxiety Flashcards

1
Q

what is anxiety

A
  • state of emotional and physical arousal
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2
Q

what is the positive effect of anxiety on recall

A

Yuille and Cutshall (1986)
- interviewed participants after an actual shooting
- accuracy was rated by how many details they could recall
- rated stress levels
- participants with high stress had 88% recall compared to less stressed group

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3
Q

What is the negative effect of anxiety on recall

A
  • weapon focus effect
    Johnson and Scott (1976)
  • participants in a waiting room in a low anxiety condition, heard a normal conversation and a man walked out with a pen
  • second condition they heard a heated argument and the man walked out with a bloody knife
  • 49% who saw the man with a pen could identify him
  • 33% who saw the man with the knife could identify him
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4
Q

what is the inverted U hypotheses

A
  • Yerkes- Dodson law
  • performance increase with stress but only to a certain point
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5
Q

what are the strengths of anxiety on eye witness testimony’s

A

Christianson and Hubinette (1993)
- interviewed 58 witness to robberies in Sweden
- some directly involved ( bank workers) and others indirectly (bystanders)
- direct victims had the best recall
- high anxiety were 75% accurate in recall

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6
Q

what are the limitations of anxiety on eye witness testimony’s

A

Kerri Pickle (1998)
- used scissors, hand gun, wallet, chicken leg in a hair dressers
- EWT poor in high surprise conditions - handgun and chicken leg
- weapon effect distorts recall due to surprise

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