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The Cognitive Interview

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The Cognitive interview
Fisher and Geiselman came up with the cognitive interview in 1992. The cognitive interview is based on proven psychological principles concerning effective memory recall. It is a procedure designed for use in police interviews that involve witnesses. It is a way of interviewing eyewitnesses to improve the accuracy and detail of their memory of the crime. There were two main aims in developing the cognitive interview. The first one was to improve the effectiveness of the police interviews when questioning witnesses. The second was to involve psychological research to the interviews, particularly the work of Elizabeth Loftus. Loftus believed that eyewitness memory operates like a video camera.

Fisher and Geiselman found that people remember events better when they are provided with retrieval cues. This is done by mentally reinstating the context of the event being recalled. It is an attempt to maximise the range of retrieval cues. The cognitive interview can be characterised into 4 components.
These are:
Report everything-
The interviewer encourages the witness to report every single detail of the event that they can remember, even if it is irrelevant. This means letting the witness speak and not get interrupted as this may break the retrieval cue. This means the interviews can sometimes take a very long time and can be unsuccessful.

Mental reinstatement of original content-
This is where the interviewer asks the witness to mentally recreate the events surroundings and contacts from the original incident. The interviewer could ask about what they did that day and their feelings on the day. They could even ask about what they were wearing and what the weather was like. This is to try and get the witness to create the scene of the incident again and so they can improve the detail and accuracy of the memory of the crime.

Changing the order-
Recounting the incident in different chronological orders, this may help to access more information about the crime stored in memory. The interviewer asks the witness the recall the incident in alternate ways, for example reversing the order in which the events occurred.

Changing the perspective-
This is where the witness gets asked to recall the incident from different perspectives. These could be other witnesses, the person carrying out the crime or the victim. Its imagining how it would have appeared to other witnesses who were at the incident. This allows the eyewitness to retrieve more information stored in memory.

Reporting everything and mentally reinstating the original context are based on the principle that there is a consistency between the incident and the recreated situation. It is likely that the witness will recall more details and be more accurate in their recall. Similar context between encoding and retrieving.
Changing the perspective and changing the order both retrieve material through different routes. They’re based on the assumptions that information that has been observed can be retrieved through a number of different retrieval routes into the person’s memory. It is better to vary these routes during questioning.

Individual differences-
The cognitive interview does have individual differences and can be particularly useful when interviewing older witnesses. There are many stereotypes about older people having a bad memory due to age. However, because the cognitive interview stresses so much about reporting every detail regardless of how useful it is may overcome these difficulties. Mello and Fisher (1996) compared older and younger adults memory of a filmed simulated crime using either the cognitive interview and the standard interview. It was found that the the cognitive interview produced more information, the advantage of the cognitive interview over the standard interview was greater for the older than the younger participants.

Evaluation of the cognitive interview-
Strengths:
It has been proven to enhance recall and it increases the amount of detail about the incident from the eyewitness.
It has positive implications on real life. For example, Stein and Memon (2006) tested the effectiveness of the cognitive interview in Brazil. In Brazil the current model of police questioning is interrogative, torture and other forms of ill treatment remains. Women were made to watch a video on abduction and compared to a standard interviewing technique, the cognitive interview increased the amount of correct information obtained. The cognitive interview produced forensically rich information, for example a detailed description of a man holding a gun. These results suggests that techniques such as the cognitive interview may be the new approach to interviewing witnesses in Brazil and other developing countries. This will reduce the incidence of miscarriages of justice.

Bekerian and Dennet (1993) reviewed 27 studies and found in all cases that the cognitive interview was more successful than standard interviewing techniques.
Mine and Bull (2002) found that all the 4 components used in the technique used singularly, produced more recall from witnesses than a standard interview. Recall across each of the 4 individual components was similar. However when participants were interviewed using a combination of ‘report everything’ and ‘mental reinstatement’ components of the cognitive interview, their recall was significantly higher.
A meta-analysis of 53 studies found, an increase of 34% in the amount of information produced in the cognitive interview compared to standard interviewing techniques. However most of these studies tested volunteer witnesses in a laboratory.

Implications:
Doesn’t improve recall in all cases which is probably due to complex instructions.
Children recall less under the age of 6. Geiselman 1999.
Time problems. The cognitive interview technique requires more time than is often available and instead it is often prefered to use deliberate strategies aimed to limit an eyewitnesses report to the minimum amount of information that is necessary.
The quality and quantity of the training for the cognitive interviewers has become a critical issue.
An enhanced version of the cognitive interview includes additional techniques for probing the witnesses mental image of an event. This is more pressure and greater demands on the interviewer.
Factors such as individual differences can affect how much information is recalled.
Recalling the event from a different perspective can be misleading.
The cognitive interview is less effective at enhancing recall when used at longer intervals of time after the event.
The cognitive interview uses several components and is unclear whether all the components contribute to the success of the technique.

Ethical issues:
Participants and witnesses should be protected from undue harm during the interview. The interview involves an in-depth exploration of the witnesses experience. Participants may be asked to recall traumatic events that could cause distress. The incident could be too traumatic. Extra care has to be taken to ensure that they’re protected from the harm and stress that may come from mentally reliving their experiences.

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