Penrod and Cutler

HideShow resource information
  • Created by: Steff06
  • Created on: 06-05-16 20:20
What was Penrod and Cutler's aim?
To study several factors including confidence that jurors might consider when evaluating eyewitness identification evidence.
1 of 9
Describe the methodology of P+C's study
Experiment using a mock-trial scenario. Independent measures design.
2 of 9
Who were the participants in their study?
Undergraduates, eligable and experienced jurors.
3 of 9
Describe the procedure of P+C's research
Videotaped trial of a robbery presented in which eyewitness identification played a key role. Witness testified 80/100% confident in identifcation.
4 of 9
Procedure continued
9 other variables, all at high and low level were introduced into the film. Participants experienced either high/low variables on random basis+after watching asked to decide whether the robber was guilty or not.
5 of 9
What were 4 of the variables introduced into the film?
Witness confidence about identification, suspect in disguise, weapon focus, retention interval.
6 of 9
What results were found in P+C's research?
Witness confidence is the only significant effect of those listed variables under the conditions of the mock trial.
7 of 9
What did Cutler look at in a further 9 studies and what did he find?
Looked at relation between confidence and accuracy. Correlations across the 9 studies were very weak.
8 of 9
What conclusions were drawn from this study?
Confidence is a poor predictor of witness accuracy. Shows jurors' trust in it is undimished even if the judge advises the jury to be wary of it in summing up.
9 of 9

Other cards in this set

Card 2

Front

Describe the methodology of P+C's study

Back

Experiment using a mock-trial scenario. Independent measures design.

Card 3

Front

Who were the participants in their study?

Back

Preview of the front of card 3

Card 4

Front

Describe the procedure of P+C's research

Back

Preview of the front of card 4

Card 5

Front

Procedure continued

Back

Preview of the front of card 5
View more cards

Comments

No comments have yet been made

Similar Psychology resources:

See all Psychology resources »See all Core studies resources »