memory

Question 1

strength to cognitive interview

Answer 1

research support -

Fisher et al - effectiveness in real police interviews
16 detectives - 2 groups : cognitive interview and standard interview
interviews recorded and analysed.
trained interview (cognitive) - 46% more information elicited
- over 90% accurate
highlights usefulness and effectiveness of ci - benefits whole of society

Question 2

strength to cognitive interview

Answer 2

meta analysis by Kohnken et al - combined data from 55 studies comparing ci to standard police interviews
ci - 41% increase in accuracy
shows that the ci is an effective technique in recall information

Question 3

limitation to cognitive interview

Answer 3

quality may suffer
numbers provided by Kohnken are slightly deceptive - effectiveness in terms of quantity not quality
Kohnken also found increase in inaccurate information - issue in enhanced cognitive interview - more inaccuracies than standard interviews
ci sacrifices quality of EWT
police need to treat info with caution as it does not guarantee accuracy