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Violence Risk Factors in Stalking and Obsessional Harassment: A Review and Preliminary Meta-Analysis Barry Rosenfeld Heather Mitchell Radford University.

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Presentation on theme: "Violence Risk Factors in Stalking and Obsessional Harassment: A Review and Preliminary Meta-Analysis Barry Rosenfeld Heather Mitchell Radford University."— Presentation transcript:

1 Violence Risk Factors in Stalking and Obsessional Harassment: A Review and Preliminary Meta-Analysis Barry Rosenfeld Heather Mitchell Radford University

2 Purpose To determine if stalking behavior will result in violence to the person being stalked –Media exploits isolated cases of celebrity stalkings –Stalking behaviors are underreported –Proactive measures would benefit potential victims

3 Issues to Consider How is violence measured? –Physical assault (to what extent) –Psychological distress and lifestyle disruptions –Threats of harm Psychopathology as potential predictor –Psychotic disorder –Personality disorder –Substance abuse

4 Literature Review Method of obtaining articles not discussed Studies –13 total studies (1 was redundant) –10 studies included

5 Studies to Include Must be empirical Must have statistics to convert to r or Φ coefficient Must discuss stalking behavior and measurable outcome

6 Dependent Measures Threats of violence Relationship to victim Psychotic disorder Personality disorder Substance abuse history Criminal history Violence history (includes domestic violence)

7 Potential Moderators Level of education Age Race Gender Psychopathy Impulsivity Type of criminal behavior

8 Overall effect of violence Including 10 studies Overall rate of violence38.6% 1,055 offenders

9 Results Risk FactorkNWeighted Effect Size (Φ) 95% Conf. Interval Threats to.44 Prior intimate to.69 Psychotic disorder to -.32 Personality disorder to.17

10 Results Risk FactorkNWeighted Effect Size (Φ) 95% Conf. Interval Substance abuse history to.21 Criminal history to.49 Violence history to.53

11 Results Strong Evidence –Threats –Not psychotic –Substance Abuse Moderate Evidence –Prior intimates –Violence history –Personality disorder No evidence –Criminal history

12 Conclusions/Recommendations Violence occurs in 30%-50% of cases, but severe violence is much less frequent Studies do not allow for individual variations in factors Interactions frequently found, difficult to measure Need more studies and more consistent examination of variables


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