Edwin Wever

Edwin Wever
De Forensische Zorgspecialisten · Research

MSc

About

14
Publications
14,338
Reads
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227
Citations
Additional affiliations
September 2005 - April 2016
Van der Hoeven Kliniek
Position
  • Researcher
September 2005 - April 2016
De Forensische Zorgspecialisten
Position
  • Researcher

Publications

Publications (14)
Article
Theory and accumulating data suggest systematic heterogeneity among offenders with psychopathic traits. Several empirical investigations converge on the nature of subtypes, but little is known about differences in treatment responsivity. We have used the 4-facet model of the Psychopathy Checklist–Revised (PCL-R) to provide a framework for detecting...
Article
Full-text available
Sexual offending behavior is a complex and multifaceted phenomenon. Most existing etiological models describe sexual offending behavior as a variant of offending behavior and mostly include factors referring to disinhibition and sexual deviance. In this article, we argue that there is additional value in describing sexual offending behavior as sexu...
Article
Full-text available
This meta-analysis is the first to our knowledge to evaluate the predictive properties of dynamic sex offender risk assessment instruments, which are designed to assess factors associated with recidivism that are amenable to change. Based on 52 studies (N 13,446), we found that dynamic risk assessment instruments have small-to-moderate predictive p...
Chapter
Full-text available
Previous research regarding sexual offending has been focused on the empirical identification of reliable predictors of sexual recidivism. Currently, the field is in need of theoretical frameworks that describe the aetiology of sexual offending behaviour and clarify the nature of sexual deviance and its role in the mechanisms of sexual offending. C...
Article
Full-text available
Dynamic risk and protective factors serve to assess the violence risk level of (forensic) psychiatric patients and offer guidance to clinical interventions. Risk assessment scores on Historical Clinical Risk Management–20 (HCR-20) risk factors and Structured Assessment of Protective Factors for violence risk (SAPROF) protective factors at different...
Article
Previous research in the Netherlands documented that clinical judgment may yield a substantial amount of treatment referrals for sexual offenders that are inconsistent with actuarial risk assessment and the Risk Need Responsivity (RNR) principles. The present study tested the risk level distribution of a high-intensity, open-format outpatient treat...
Article
The current study quasi-experimentally assessed the outcome of high-intensity inpatient sex offender treatment in the Netherlands in terms of sexual and violent (including sexual) recidivism. It was hypothesized that treated sex offenders would show lower recidivism rates than untreated sex offenders of the same risk level. In line with the risk pr...
Article
Full-text available
Sex offender treatment is most effective when tailored to risk-need-responsivity principles, which dictate that treatment levels should match risk levels as assessed by structured risk assessment instruments. The predictive properties, missing values, and interrater agreement of the scores of 9 structured risk assessment instruments were compared i...
Article
Full-text available
Background: Cerebral levels of oxytocin, elevated by intranasal administration, can increase trust, empathy and altruism, and decrease fear. We hypothesised that low levels of these characteristics (found in some personality-disordered forensic patients), would be associated with reduced oxytocin levels. Aims: To assess whether patients, with psych...
Article
The Risk Need Responsivity (RNR) principles (Andrews & Bonta, 2010) dictate that higher risk sex offenders should receive more intensive treatment. The present study investigates how clinically based treatment assignment relates to risk level in a sex offender sample from The Netherlands. Correlational analyses served to identify sources of mismatc...
Article
Full-text available
In dit artikel worden de stand van zaken en recente ontwikkelingen besproken op het gebied van het gestructureerd inschatten van geweldsrisico's in de forensische praktijk. Concrete aanbevelingen worden geboden voor het gebruik van risicotaxatie-instrumenten in de dagelijkse praktijk en voor toekomstig onderzoek. Geconcludeerd wordt dat intensieve...

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Projects

Project (1)
Project
The goals of the projects is to aquire knowledge about the onset and development of sexually deviant interests and preferences