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Criminal Practical - Coggle Diagram
Criminal Practical
Procedure
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Devised a quantitative score sheet with 20 points to measure and fully operationalise the DV - which was how accurately they remembered the clip
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After viewing the clip, a 1 hour interference task was introduced until the interview.
In the interviews, the first question was the same: ‘Please write a witness statement of what you observed’.
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In the cognitive interview, the ppts were encouraged to put themselves in the shoes of the characters from the film and recall what happened in reverse order
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Results
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Chi squared was conducted - value of 0.036 was less than the critical value of 2.71 at 5% probability
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Hypotheses
One-tailed
More points will be accurately recalled out of 20 from the film 'Sew Torn' during the cognitive interview method than the standard interview method after an hour
Null
There will not be a significant difference between the points accurately recalled out of 20 from the film 'Sew Torn' during the cognitive interview method than the standard interview method after an hour and any differences are down to chance
Two-tailed
There will be a significant difference between the points accurately recalled out of 20 from the film 'Sew Torn' during the cognitive interview method than the standard interview method after an hour
Aim
To investigate whether the cognitive interview results in more accurate details in EWT than the standard interview technique, measured with a list of 20 questions after witnessing a short film, 'Sew Torn'