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- Dernevik, Mats, et al.
(author)
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Violent behaviour in forensic psychiatric patients: Risk assessment and different risk-management levels using the HCR-20
- 2002
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In: Psychology, Crime and Law. - : Informa UK Limited. - 1068-316X .- 1477-2744. ; 8:1, s. 93-111
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Journal article (peer-reviewed)abstract
- There has been a growing optimism regarding the accuracy of structured instruments for violence risk assessment in mentally disordered offenders, However, several issues pertaining to forensic assessments of risk remains unsolved, one of which is the relationship between risk assessment and risk management. In this paper we argued that research that evaluate efforts to assess risk must take into account the level of risk management in the sample. We attempted to illustrate this using prospective follow-up data on the frequency and type of inpatient violent behaviours and their relationship to risk management within the context of care. Risk assessments were made upon admission to hospital with the Historical-Clinical-Risk assessment (HCR-20, Webster et al., 1997) in 54 forensic patients followed through three different risk management conditions: High security risk management, medium risk management, and only risk monitoring (low). The results showed large differences in baserate and type of violence in the three management conditions. Results also suggested that the HCR-20 accurately assessed risk in medium and low security conditions, but not in the high security condition. We conclude that the findings reinforce rather than contraindicate the usefulness of the HCR-20 in for clinical practice.
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- Granhag, Pär-Anders, 1964, et al.
(author)
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The Cognitive Interview and its effect on witnesses' confidence
- 2004
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In: Psychology, Crime & Law. - : Informa UK Limited. ; 10:1, s. 37-52
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Journal article (peer-reviewed)abstract
- Today there is ample evidence that the Cognitive Interview (CI) enhances witnesses' memory. However, less is known about how the CI affects eyewitnesses' confidence. To address this shortcoming we conducted a study analyzing how realism in confidence was affected by the CI. All participants were first shown a filmed kidnapping. After 2 weeks we interviewed one-third of the participants according to the guidelines of the CI, one-third according to a Standard Interview (SI), and one-third were not interviewed at all (Control condition). Participants in all three conditions were then asked to answer 45 forced-choice questions, and to give a confidence judgment after each choice. For the questions, no differences in accuracy were found between the three conditions. Confidence was higher in the CI and SI conditions, compared with the Control condition. CI and SI did not differ in meta-cognitive realism but both showed lower realism compared with the Control condition, although only CI significantly so. The results indicate that the inflation in confidence is more likely to be explained in terms of a reiteration effect, than as a consequence of the particular mnemonics characterizing the CI (e.g. "mental reinstatement of context"). In sum, CI does not seem to impair (or improve) the realism in witnesses' confidence, and does not inflate confidence in erroneous recall, compared to a SI.
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