How accurate is EWT? Key Question Flashcards Preview

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Flashcards in How accurate is EWT? Key Question Deck (16)
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1
Q

The MSM makes it less reliable because

A

info is only stored in STM for 15-30 secs therefore EWT are unlikely to remember accurately

2
Q

Reconstructive memory makes it less reliable because

A

memory isn’t like a tape recorder, confabulation and rationalisation are used which means recall isn’t accurate. Schemas impact recall - leading questions

3
Q

Palombo et al believes individual differences make it less reliable because

A

gender and mental health can impact memory so EWT can be inaccurate as two people of different genders may have different recall of the event

4
Q

Tulvig 1972 and Godden and Baddeley suggest that cues

A

aid recall so EWT should be taken back to the crime scene

5
Q

WMM makes it less reliable because

A

crime may not be deemed as significant enough for CE to focus on it, cocktail party effect

6
Q

Levels of processing, Craik and Lockhart 1972 supports EWT because

A

Processing deeply means more is remembered and so if it is a personal crime, they may process more deeply

7
Q

MSM would suggest that if EW repeats

A

info to multiple people then they will be rehearsint it and allowing the info to enter the LTM

8
Q

EWT weapon focus is when a weapon is used

A

the victim focusses on it because they feel threatened so their recall is poor

9
Q

However, when a weapon was replaced with celery, people still only focussed on it which suggests

A

it was because it was unusual

10
Q

How could we improve the reliability of EWT?

A
Don't use leading questions
Take poeple back to the crime scene
Report to police asap
Put them back into the same state if possible
Don't wait too long to question them
11
Q

Cognitive interview?

A

recreate context, report everything even if it seems irrelivent, recall in different orders and report from different perspectives

12
Q

Geiselman et al (1985) found that the cognitive interview produced

A

40% more correct details than the standard police interview

13
Q

Negatives of cognitive interviews?

A

Time consuming
Need competent officers
Difficult for smaller crimes
Difficult with traumatised witnesses

14
Q

Why is EWT important?

A

Jurors are more likely to rely on EWT than scientific evidence. Outcome of trail dependent on EWT. May leave perpetrator to commit more crimes and wrongly convict.

15
Q

What is EWT?

A

Refers to the recalled memory of a witness to a crime or incident

16
Q

How is an EWT recorded?

A

As a police interview or as a verbal testimony to be used as evidence in a court of law