Penrod and Cutler

Mais informações

Good Eye Contact

por Mireya Flores

Monte Carlo Analysis in Corporate Finance

por Carlos Bellon

Energy Transport

por Kumar Perumal

Mind Map

por Chris Housel

Penrod and Cutler

Results

67% convicted when witness was 100% sure

60% convicted when witness was 80% sure

Only significant effect was witness confidence

Participants

Eligible and experienced jurors

Undergraduates

Conclusion

Jurors' trust in confidence is indiminished

Confidence is a poor predictor of witness accuracy

Procedure

Participants had to decide if robber was found guilty or not

Participants experienced either high or low variable conditions on a random basis

10 variables altogether

4 of the variables

Witness confidence

80% confident

100% confident

Retention interval

2 days

14 days

Weapon focus

LOW: Weapon visible

HIGH: Weapon clearly brandished

Suspect in discuise

LOW: Minimal disguise

HIGH: Heavily disguised

Witness testified either 80% or 100% sure she identified the robber

videotape of robbery trial

Methodology

Independent measures design

Mock-trial scenario

Experiment