Eye witness testimonies

Question 1

Yuille and cutshall research (1986)

Answer 1

proves stress does not affect memory, even makes it better. people who had the highest stress had the best memory.

Gun shop got robbed in vancoover.
shop owner ran out and shot the robber.
eyewitness memory of a crime.
21 witnesses saw a shooting where one person was killed.

13 witnesses aged from 1 - 32 agreed to an interview 4-5 months after. there memory was good and they recalled everything well, even after high levels of stress.

Question 2

Christiansen and Hubinette (1993)

Answer 2

the effect of anxiety on eyewitness testimony.
results showed a high accuracy rates after an extended time interval.

58 witnesses aged from 18-82 years old, who had observeed a robery, either a victim or bystander.
the consistency of the account was measured by a comparison of information gathered in the police reports.
high consistancy

Question 3

Valentune and Mesout (2009) labrynth of horrors

Answer 3

participants experince a maze designed to envoke fear and anxiety

Question 4

Pickel 1998

Answer 4

230 psychology students split into 5 groups of 46. on the video they saw a man outside a hairdressers the man was either holding scissors, a hand gun, a wallet, or a chick.
people who saw a hand gun memory was not effect

the scossors created less of a distraction than a hand gun

the chicken lead to the worst memory recall due to the suprisingness leading to distractions

Question 5

EWT - anxiety

Answer 5

Loftus (1979)
johnson and scott(1976)

Question 6

misleading information

Answer 6

Loftus and palmer (1974)

Question 7

post event discussion

Answer 7

Gabbert et al (2003)