Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Regression Toward the Mean01:52

Regression Toward the Mean

6.3K
Regression toward the mean (“RTM”) is a phenomenon in which extremely high or low values—for example, and individual’s blood pressure at a particular moment—appear closer to a group’s average upon remeasuring. Although this statistical peculiarity is the result of random error and chance, it has been problematic across various medical, scientific, financial and psychological applications. In particular, RTM, if not taken into account, can interfere when...
6.3K
Sample Proportion and Population Proportion01:20

Sample Proportion and Population Proportion

5.7K
Collecting samples or responses from an entire population takes significant time and effort, so a researcher collects responses from only a sample of that population. Suppose a study needs to collect information about a specific mobile application. After sample collection, the researcher analyzes the data and discovers that most individuals in the sample use that specific mobile application. The sample proportion measures the number of individuals in a sample who either use or don't use the...
5.7K
Testing a Claim about Population Proportion01:24

Testing a Claim about Population Proportion

2.9K
A complete procedure for testing a claim about a population proportion is provided here.
There are two methods of testing a claim about a population proportion: (1) Using the sample proportion from the data where a binomial distribution is approximated to the normal distribution and (2) Using the binomial probabilities calculated from the data.
The first method uses normal distribution as an approximation to the binomial distribution. The requirements are as follows: sample size is large...
2.9K
Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches01:23

Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches

627
Biopharmaceutical studies constitute a vital field aiming to enhance drug delivery methods and refine therapeutic approaches, drawing upon diverse interdisciplinary knowledge. In research methodologies, the choice between controlled and non-controlled studies significantly influences the study's reliability and accuracy.
Non-controlled studies, commonly employed for initial exploration, lack a control group, rendering them susceptible to biases and external influences. In contrast,...
627
Relative Risk01:12

Relative Risk

2.5K
Relative risk (RR) is a statistical measure commonly used in epidemiology to compare the likelihood of a particular event occurring between two groups. This metric is important for evaluating the relationship between exposure to a specific risk factor and the probability of a particular outcome. It plays a crucial role in medical research, public health studies, and risk assessment. Relative risk quantifies how much more (or less) likely an event is to occur in an exposed group compared to an...
2.5K
Odds Ratio01:09

Odds Ratio

2.3K
The odds ratio (OR) is a statistical measure used extensively in epidemiology and research to quantify the strength of association between exposure and outcome across different groups. Unlike relative risk, which compares the probabilities of an event occurring, the odds ratio compares the odds of an event occurring in the exposed group to the odds of it occurring in the unexposed group. The odds, in this context, are calculated as the probability of the event happening divided by the...
2.3K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

A meta-analysis of the psychometric properties of the Screening Scale for Pedophilic Interests (SSPI/SSPI-2).

Psychological assessment·2026
Same author

Risk Tools Predict Recidivism for Men With Low Intellectual Ability and a History of Sexual Offending.

Sexual abuse : a journal of research and treatment·2026
Same author

Offending Trajectories of Men With Adult-Onset Sexual Offending Histories.

Sexual abuse : a journal of research and treatment·2026
Same author

Motives and Self-Reported Propensity for Sexual Offending in Community Men and Women.

Sexual abuse : a journal of research and treatment·2025
Same author

The Association Between Previous Suicide Attempts and Risk Level According to the Static-99R in Men Who Have Sexually Offended.

Criminal behaviour and mental health : CBMH·2025
Same author

Personality disorders, violence and antisocial behaviour: updated systematic review and meta-regression analysis: commentary, Seto.

The British journal of psychiatry : the journal of mental science·2025
Same journal

A Feasibility Study of a Canadian Child Sexual Abuse Perpetration Prevention Program.

Sexual abuse : a journal of research and treatment·2026
Same journal

Pathways to Effective Treatment for Individuals Convicted of Sexual Offences Who Are Taking Medication to Manage Problematic Sexual Arousal.

Sexual abuse : a journal of research and treatment·2026
Same journal

The Development of the Paraphilic Disorders Short Screen (PDSS) and Its Examination in Diverse Populations: A Large, Multi-Nation Study.

Sexual abuse : a journal of research and treatment·2026
Same journal

Sexual Interests of Men With Different Child Sexual Offenses as Assessed by Direct and Indirect Measures - Do Users of Child Sexual Abuse Material Differ?

Sexual abuse : a journal of research and treatment·2026
Same journal

The Person Behind the Crime: Life Stories of Women and Men Who Committed Sexual Crimes.

Sexual abuse : a journal of research and treatment·2026
Same journal

The Lived Experiences of Men Who Engage in Online Child Sexual Exploitation and Abuse: An Interpretative Phenomenological Analysis.

Sexual abuse : a journal of research and treatment·2026
See all related articles
  1. Home
  3. Sexual Recidivism Norms By Cport Score: Developing Absolute And Relative Rate Estimates.
  1. Home
  3. Sexual Recidivism Norms By Cport Score: Developing Absolute And Relative Rate Estimates.

Related Experiment Video

Novel Apparatus and Method for Drug Reinforcement
07:32

Novel Apparatus and Method for Drug Reinforcement

Published on: August 21, 2010

21.5K

Sexual Recidivism Norms by CPORT Score: Developing Absolute and Relative Rate Estimates.

Seung C Lee1, Kelly M Babchishin2, Angela W Eke3

  • 1Public Safety Canada, Ottawa, ON, Canada.

Sexual Abuse : a Journal of Research and Treatment
|April 28, 2026

View abstract on PubMed

Summary
This summary is machine-generated.

The Child Pornography Offender Risk Tool (CPORT) shows stable accuracy in predicting sexual recidivism among men convicted of child sexual abuse material offenses. CPORT scores effectively indicate increasing risk levels for reoffending.

Keywords:
CPORTchild pornographychild sexual abuse and exploitation materialsnormsrisk toolsexual recidivism

More Related Videos

A Protocol for Measuring Cue Reactivity in a Rat Model of Cocaine Use Disorder
07:51

A Protocol for Measuring Cue Reactivity in a Rat Model of Cocaine Use Disorder

Published on: June 18, 2018

10.2K
Reinstatement of Drug-seeking in Mice Using the Conditioned Place Preference Paradigm
08:29

Reinstatement of Drug-seeking in Mice Using the Conditioned Place Preference Paradigm

Published on: June 7, 2018

10.8K

Related Experiment Videos

Novel Apparatus and Method for Drug Reinforcement
07:32

Novel Apparatus and Method for Drug Reinforcement

Published on: August 21, 2010

21.5K
A Protocol for Measuring Cue Reactivity in a Rat Model of Cocaine Use Disorder
07:51

A Protocol for Measuring Cue Reactivity in a Rat Model of Cocaine Use Disorder

Published on: June 18, 2018

10.2K
Reinstatement of Drug-seeking in Mice Using the Conditioned Place Preference Paradigm
08:29

Reinstatement of Drug-seeking in Mice Using the Conditioned Place Preference Paradigm

Published on: June 7, 2018

10.8K

Area of Science:

  • Forensic Psychology
  • Criminology
  • Risk Assessment

Background:

  • Child sexual abuse and exploitation material (CSAEM) offenses pose significant societal risks.
  • Accurate risk assessment tools are crucial for managing offenders and preventing recidivism.
  • The Child Pornography Offender Risk Tool (CPORT) is utilized in offender management.

Purpose of the Study:

  • To provide normative data for the CPORT by aggregating data from multiple international samples.
  • To evaluate the predictive accuracy of the CPORT for sexual recidivism.
  • To establish percentile norms for the CPORT to aid in risk communication.

Main Methods:

  • Meta-analysis of individual-level data from six routine samples (N = 956) of men adjudicated for CSAEM offenses.
  • Analysis of data from Canada, Europe, and the United Kingdom.
  • Calculation of predictive accuracy (AUCs) and risk ratios associated with CPORT scores.

    • Main Results:

    • The CPORT demonstrated stable predictive accuracy for any sexual recidivism (AUC = .728) and CSAEM-specific recidivism (AUC = .713).
    • Recidivism rates increased with CPORT scores, ranging from 3% to 41% for any sexual reoffending.
    • A CPORT score of 5 indicated a fivefold increase in reoffending risk compared to the median score (CPORT = 2).

    Conclusions:

    • The derived CPORT norms facilitate improved risk communication among professionals.
    • The findings support the alignment of CPORT use with the Risk-Need-Responsivity (RNR) model in offender management.
    • Normative data enhance the CPORT's utility in assessing and managing individuals convicted of CSAEM offenses.