Hall and Player

Question 1

What year was it

Answer 1

2008

Question 2

What was the background

Answer 2

• The bias in collecting forensic evidence such as fingerprint analyses
• One of the motivating factors of collecting forensic evidence is the felling of reward after matching them in a tiring orocess and finding a criminal.
• There could be context bias such as how bad the crime is in comparison to the motivation the emotiional termoil of catching a hard earned criminal is or Confirmation bias in looking psotive correlations in the rewsluts instead of finding what was missed and re-looking for a match.

Question 3

What was the aim

Answer 3

To test the effect of context on fingerprint identification by experts.

Question 4

What was the method

Answer 4

• Viewed as a field experiment due to it’s place in their natural work enviourment and hours
• An Independant measure design with participants randomly allocated to one of the 2 groups.
• A self-selected sample of 70 fingerprint experts.
• The mean length of experience in the field was 11 years

Question 5

What is the procedure

Answer 5

The participants were asked to treat this as as real as possible and gave them either fingerprints from a case of forgery or murder. Afterwards, they filled out a questionnaire on how much they think they were affected by the emotional context

Question 6

What were the results

Answer 6

• 52% of the high emotional context group thought they’d be effected compared to the 6% of the low emotional context group
• The results table showed that less were affected than they thought they were