Evaluation for cognitive interview

Question 1

Evaluation

support for the effectiveness of enhanced cognitive Interview

Answer 1

-research= suggests that the enhanced cognitive interview may offer special benefits
E.G meta-analysis by kohnken et al=combined data from 50 studies found= that the enhanced CI is consistently provided more correct info than the standard interview

-STRENGTH= studies = show that the enhanced CI there are recall practical benefits

Question 2

Evaluation

some elements are more valuable than other?

Answer 2

-Milne and Bull = found that each individual element = equally valuable HE = Milne and bull found that using a combination of report everything and context reinstatement=produced better recall than any of the others.

• this confirmed police officers suspicions that some aspects of CI are more useful than others
• STRENGTH= because it suggests that at least two elements should be used to improve police interviewing of eyewitnesses» even if t he full CI is no used

*also = increases the credibility of CI

Question 3

Evaluation

Quantity vs Quality

Answer 3

-procedure=designed to enhance the quantity of correct recall without compromising the quality of that info
E.G Kanken et al = found 61% increase of incorrect information when the enhanced CI was compared to a standard interview.
This means that police = need to treat all info collected from CI’s with caution.
*they do not guarantee accuracy

Question 4

Evaluation

Variations of the CI are used

Answer 4

studies of effectiveness= use slightly different techniques
E.G Thames valley police = use a version that does not include the ‘changing perspectives’ components
others= only use some such as ‘reinstate context’ or ‘report everything’