PP's asked to participate in work time, typical fingerprint analysis room.
Task artificially generated & PP's randomly allocated either low-context or high-context group.
Finger impression from known source used, volunteer inked put on paper, good quality and then superimposed on computer onto image of £50 , note background obscured ridge detail.
This was given with 10 fingerprints from others.
Allowed fingerprint magnifying glass.
No time limit.
PP kept anonymous.
PP's given envelope containing test marks, relevant 10-fingerprint form, relevant scenes examiners report and told it was right forefinger.
Once completed experiment, asked fill feedback sheet stating if had referred to report prior to assessment of marks and to say what was read and if so if it affected analysis and how.