topic 2 - the collection and processing of forensic evidence Flashcards
what were the aims of Hall and Players study?
aimed to answer two questions:
-does the written report of a crime, affect a fingerprint experts analysis
-whether emotional context would also affect the fingerprint expert
who were the participants in Hall and Players research?
70 volunteer fingerprint experts working for the metropolitan police fingerprint bureau.
experience ranged from 3 months to 30 years, with a mean of 11 years
they all responded in request to take part in research, but the details of the research were not disclosed.
what were the materials used in Hall and Players research?
a fingerprint was printed onto a £50 note with ink.
a detail of the note was obscuring some of the ridge detail.
the prints were shown to a sample of practitioners with a range of experience - confirming the print was ambiguous
