Mark E. Olver
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View article: Structural and Convergent Properties of Structured Assessment of Protective Factors (SAPROF) Ratings in a Treated Sexual Offending Sample
Structural and Convergent Properties of Structured Assessment of Protective Factors (SAPROF) Ratings in a Treated Sexual Offending Sample Open
The Structured Assessment of Protective Factors (SAPROF) is a measure of protective factors intended to augment violence risk assessment. While prior research supports the predictive validity of SAPROF ratings, factorial and convergent val…
View article: The Intersection of Juvenile Psychopathy, Protective Factors, Treatment Change, and Diversity in Justice-Involved Youth
The Intersection of Juvenile Psychopathy, Protective Factors, Treatment Change, and Diversity in Justice-Involved Youth Open
We examined the intersection of juvenile psychopathy with protective factors, dynamic violence risk, and recidivism in a court adjudicated Canadian sample of 257 male and female, ethnoracially diverse youth. The Psychopathy Checklist: Yout…
View article: An Exploratory Study of Incels’ Dating App Experiences, Mental Health, and Relational Well-Being
An Exploratory Study of Incels’ Dating App Experiences, Mental Health, and Relational Well-Being Open
Incel refers to an online group of young males who feel frustration and despair at being repeatedly neglected on the dating market. Despite gaining notoriety for a number of public attacks, the majority of incel research is comprised of an…
View article: The Risk, Need, and Responsivity Relevance of Working Alliance in a Sexual Offense Treatment Program: Its Intersection With Psychopathy, Diversity, and Treatment Change
The Risk, Need, and Responsivity Relevance of Working Alliance in a Sexual Offense Treatment Program: Its Intersection With Psychopathy, Diversity, and Treatment Change Open
The current study examined the self-reported working alliance of men attending a high intensity sexual offense treatment program and its associations with psychopathy, sexual violence risk, treatment change, and recidivism, in a Canadian s…
View article: One is the loneliest number: Involuntary celibacy (incel), mental health, and loneliness
One is the loneliest number: Involuntary celibacy (incel), mental health, and loneliness Open
View article: The Development and Validation of the Firesetting Questionnaire
The Development and Validation of the Firesetting Questionnaire Open
View article: Involuntary Celibacy: A Review of Incel Ideology and Experiences with Dating, Rejection, and Associated Mental Health and Emotional Sequelae
Involuntary Celibacy: A Review of Incel Ideology and Experiences with Dating, Rejection, and Associated Mental Health and Emotional Sequelae Open
View article: Discrimination and Calibration Properties of the Violence Risk Appraisal Guide–Revised in a Not Criminally Responsible Provincial Population
Discrimination and Calibration Properties of the Violence Risk Appraisal Guide–Revised in a Not Criminally Responsible Provincial Population Open
This study examined the discrimination and calibration properties of the Violence Risk Appraisal Guide–Revised (VRAG-R) within a large subset of the population of 574 individuals who had been found Not Criminally Responsible on Account of …
View article: University Student Attitudes Toward Persons With a History of Adult Sexual Violence and Their Correlates With Policy, Treatment, and Management
University Student Attitudes Toward Persons With a History of Adult Sexual Violence and Their Correlates With Policy, Treatment, and Management Open
Empirical evidence suggests that postsecondary students are disproportionately impacted by sexual violence. Further evidence suggests that most persons convicted of crimes involving sexual violence return to the community, and that social …
View article: Risk relevance of psychometric assessment and evaluator ratings of dynamic risk factors in high-risk violent offenders
Risk relevance of psychometric assessment and evaluator ratings of dynamic risk factors in high-risk violent offenders Open
Risk relevance of psychometric assessment
View article: Introduction to the Special Thematic Section on "Dynamic assessment of men facing indeterminate detention"
Introduction to the Special Thematic Section on "Dynamic assessment of men facing indeterminate detention" Open
Introduction to the Special Thematic Section on "Dynamic Assessment of Men Facing Indeterminate Detention" Authors Andrew J. R. Harris Private practice, Kawartha Lakes, Ontario, Canada Mark E. Olver Psychology, University of Saskatchewan, …
View article: Dynamic sexual offense risk assessment using the VRS-SO with indeterminate sentenced men
Dynamic sexual offense risk assessment using the VRS-SO with indeterminate sentenced men Open
Indeterminate detention (ID) is a high stakes sanction reserved for exceptionally high risk-high need (HRHN) persons who are deemed to pose an undue risk to public safety. It is one of the most extreme measures that is routinely taken by j…
View article: A cluster analytic examination and validation of adult victim sexual offending subtypes in two Canadian samples
A cluster analytic examination and validation of adult victim sexual offending subtypes in two Canadian samples Open
The development and validation of sexual offense perpetrator typologies remains a useful endeavor with implications for theory and correctional/clinical practice. Most such typologies—which rely on factors such as the individual’s motivati…
View article: Consistency and Construct Validity of the Five-Level System for Risk Communication Using Static and Dynamic Tools: An Investigation Using the Static-99R and VRS-SO
Consistency and Construct Validity of the Five-Level System for Risk Communication Using Static and Dynamic Tools: An Investigation Using the Static-99R and VRS-SO Open
This study examined the Council of State Governments’ five-level system for risk communication, as applied to the Static-99R and Violence Risk Scale–Sexual Offense Version (VRS-SO). Aims of the system include increasing consistency in risk…
View article: Use of the Psychopathy Checklist-Revised in Legal Contexts: Validity, Reliability, Admissibility, and Evidentiary Issues
Use of the Psychopathy Checklist-Revised in Legal Contexts: Validity, Reliability, Admissibility, and Evidentiary Issues Open
The construct of psychopathy has received considerable attention from clinicians, researchers, and legal practitioners because of its demonstrated association with a range of outcomes of interest to the criminal justice system. The Psychop…
View article: Predictive Properties of the Ontario Domestic Assault Risk Assessment (ODARA) in a Northern Canadian Prairie Sample
Predictive Properties of the Ontario Domestic Assault Risk Assessment (ODARA) in a Northern Canadian Prairie Sample Open
This study examined the predictive properties of the Ontario Domestic Assault Risk Assessment (ODARA) in a large Canadian, predominantly Indigenous, sample from a geographic region with the highest rates of intimate partner violence (IPV) …
View article: Does Treatment for Sexual Offending Work?
Does Treatment for Sexual Offending Work? Open
Purpose of Review We review and synthesize the literature on the effectiveness of offense-focused treatment for sexual offending. Specifically, we consider whether the extant literature suggests treatment is effective in reducing sexual re…
View article: Book Review: Review of CBT with Justice-Involved Clients: Interventions for Antisocial and Self-Destructive Behaviors
Book Review: Review of CBT with Justice-Involved Clients: Interventions for Antisocial and Self-Destructive Behaviors Open
View article: Firesetting Reoffending: A Meta-Analysis
Firesetting Reoffending: A Meta-Analysis Open
Despite the significant adverse consequences of deliberate firesetting, it has been unclear what proportion of individuals repeat this problematic behavior, owing to methodological differences and large variability in reported reoffending …
View article: Predictive Properties of a General Risk-Need Measure in Diverse Justice Involved Youth: A Prospective Field Validity Study
Predictive Properties of a General Risk-Need Measure in Diverse Justice Involved Youth: A Prospective Field Validity Study Open
The current investigation was a prospective field validity study examining the discrimination and calibration properties of a general risk-need tool (Level of Service Inventory–Saskatchewan Youth Edition [LSI-Sk]) in a diverse sample of 28…
View article: Understanding the Latent Structure of Dynamic Risk: Seeking Empirical Constraints on Theory Development Using the VRS-SO and the Theory of Dynamic Risk
Understanding the Latent Structure of Dynamic Risk: Seeking Empirical Constraints on Theory Development Using the VRS-SO and the Theory of Dynamic Risk Open
The present study is part of a larger project aiming to more closely integrate theory with empirical research into dynamic risk. It seeks to generate empirical findings with the dynamic risk factors contained in the Violence Risk Scale—Sex…
View article: Juvenile Psychopathy and Community Treatment Response in Youth Adjudicated for Sexual Offenses
Juvenile Psychopathy and Community Treatment Response in Youth Adjudicated for Sexual Offenses Open
The present study examined the association of juvenile psychopathy features and treatment response in a sample of 102 youth, court adjudicated for sexual offenses and followed up more than 11 years in the community. The Psychopathy Checkli…
View article: The PCL–R and capital sentencing: A commentary on “Death is different” DeMatteo et al. (2020a).
The PCL–R and capital sentencing: A commentary on “Death is different” DeMatteo et al. (2020a). Open
DeMatteo et al. (2020a) published a Statement in this journal declaring that the Psychopathy Checklist-Revised (PCL-R) “cannot and should not” be used in U.S. capital-sentencing cases to assess risk for serious institutional violence. Thei…
View article: Recidivism risk and criminogenic needs of individuals who perpetrated intimate partner sexual violence offenses
Recidivism risk and criminogenic needs of individuals who perpetrated intimate partner sexual violence offenses Open
Despite the common occurrence of sexual violence in intimate partner violence (IPV) and its association with increased risk of intimate partner homicide, intimate partner sexual violence (IPSV) is often overlooked in the literature. As a r…
View article: The cumulation and dissemination of knowledge as preconditions for effective crime prevention strategies in forensic sciences and sex research
The cumulation and dissemination of knowledge as preconditions for effective crime prevention strategies in forensic sciences and sex research Open
The Cumulation and Dissemination of Knowledge as Preconditions for Effective Crime Prevention Strategies in Forensic Sciences and Sex Research Authors Martin Rettenberger Centre for Criminology (Kriminologische Zentralstelle – KrimZ), Wies…
View article: Risk relevance of psychometric assessment and evaluator ratings of dynamic risk factors in high‐risk violent offenders
Risk relevance of psychometric assessment and evaluator ratings of dynamic risk factors in high‐risk violent offenders Open
Purpose Relatively little research has been conducted with high‐risk violent (non‐sexual) offenders to establish whether measures administered to evaluate change during offending behaviour programmes contain risk relevant information. The …
View article: The Predictive Properties of Psychiatric Diagnoses, Dynamic Risk and Dynamic Risk Change Assessed by the VRS-SO in Forensically Admitted and Released Sexual Offenders
The Predictive Properties of Psychiatric Diagnoses, Dynamic Risk and Dynamic Risk Change Assessed by the VRS-SO in Forensically Admitted and Released Sexual Offenders Open
Psychiatric diagnoses, static risk factors, and criminogenic needs at time of admission and release were examined in a mentally ill sample of psychiatrically detained sexual offenders. Although clinically found to be at low or even very lo…
View article: Supplementary materials [Code] to: Recidivism risk and criminogenic needs of individuals who perpetrated intimate partner sexual violence offenses
Supplementary materials [Code] to: Recidivism risk and criminogenic needs of individuals who perpetrated intimate partner sexual violence offenses Open
Supplementary materials [Code] to: Sparks, B., Wielinga, F., Jung, S., & Olver, M. (2020). Recidivism risk and criminogenic needs of individuals who perpetrated intimate partner sexual violence offenses. Sexual Offending: Theory, Research,…
View article: Predictors of Historical Clinical Risk Management-20 Version 3 (HCR–20:V3) summary risk ratings
Predictors of Historical Clinical Risk Management-20 Version 3 (HCR–20:V3) summary risk ratings Open
How individual risk factors on structured professional judgement (SPJ) assessment tools translate into SPJ final risk formulations is unclear due to a lack of structured criteria. Understanding pathways to risk formulations is vital, as th…
View article: Does specialized psychological treatment for offending reduce recidivism? A meta-analysis examining staff and program variables as predictors of treatment effectiveness
Does specialized psychological treatment for offending reduce recidivism? A meta-analysis examining staff and program variables as predictors of treatment effectiveness Open
A meta-analysis was conducted to examine whether specialized psychological offense treatments were associated with reductions in offense specific and non-offense specific recidivism. Staff and treatment program moderators were also explore…