Factors causing the jury to be persuaded | witness confidence - lead to more guilty verdicts
halo effect/ phsycial attraction - smartly dressed/good looking only found guilty 56% of the time |
what is the aim of the key research dixon et al? | to test the hypothesis that a suspect with a brummie accent would recieve a higher rating of guilt |
what methodology and 3 ivs for dixons research? | lab & independent measures
1) accent
2) race
3) type of crime |
sample | 119 white undergrad psych students from uni of worcester.
24 male
95 female |
procedure | listened to a 2 minute tape of a mocj interview in a british police station in 1995 where suspect was innocent. 2 versions were recorded with differences: why they were arrested and what race |
procedure for parcticipants | rated tape 1 on a scale up to 7 from inoocent to guilts
rated tape 2 by completing the sei |
results?? :) | accent- brummie (4.27) standard (3.65)
no difference between race
ivs- black, brummie and blue collar crime were most guilty! |
evaluation | :( lacks eco validity, lacks generalisability
:) high reliability, useful |
application | 1) make most of your appearance
2)present evidence in story order
3)use expert witnesses |