Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Poisson's And Laplace's Equation

Poisson's And Laplace's Equation

The electric potential of the system can be calculated by relating it to the electric charge densities that give rise to the electric potential. The differential form of Gauss's law expresses the electric field's divergence in terms of the electric charge density.

Testing a Claim about Mean: Unknown Population SD

Testing a Claim about Mean: Unknown Population SD

A complete procedure of testing a hypothesis about a population mean when the population standard deviation is unknown is explained here.
Estimating a population mean requires the samples to be approximately normally distributed. The data should be collected from the randomly selected samples having no sampling bias. There is no specific requirement for sample size. But if the sample size is less than 30, and we don't know the population standard deviation, a different approach is used;...

Testing a Claim about Mean: Known Population SD

Testing a Claim about Mean: Known Population SD

A complete procedure of testing the hypothesis about a population mean is explained here.
Estimating a population mean requires the samples to be distributed normally. The data should be collected from the randomly selected samples having no sampling bias. The sample size needed to be higher than 30, and most importantly, the population standard deviation should be already known.
In most realistic situations, the population standard deviation is often unknown, but in rare circumstances, when it...

Le Chatelier's Principle: Changing Concentration

Le Chatelier's Principle: Changing Concentration

A system at equilibrium is in a state of dynamic balance, with forward and reverse reactions taking place at equal rates. If an equilibrium system is subjected to a change in conditions that affects these reaction rates differently (a stress), then the rates are no longer equal and the system is not at equilibrium. The system will subsequently experience a net reaction in the direction of a greater rate (a shift) that will re-establish the equilibrium. This phenomenon is summarized by Le...

Sampling Theorem

Sampling Theorem

In signal processing, the analysis of continuous-time signals, denoted as x(t), often involves sampling techniques to convert these signals into discrete-time signals. This process is essential for digital representation and manipulation. A critical component in sampling is the train of impulses, characterized by the sampling interval and the sampling frequency. The relationship between these parameters and the original signal's properties dictates the success of the sampling process.

Poisson's Ratio

Poisson's Ratio

Poisson's ratio is a material property that indicates their stress response. It explains the connection between the elongation or compression a material undergoes in the direction of an applied force and the contraction or expansion it experiences perpendicular to that force. When a slender bar is loaded axially, it stretches in the direction of the force and contracts laterally. Poisson's ratio is the negative ratio of this lateral contraction to the axial elongation. The negative sign...

You might also read

Related Articles

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

Sort by

Same author

From culture blind to culturally informed: Coverage of sociocultural identities in U.S.-based forensic psychology journals, 2016-2020.

Law and human behavior·2026

Same author

Prevalence of Contact Child Sexual Abuse Victimization in the US: Perpetration Types and Cohort Differences.

Child maltreatment·2026

Same author

Self-Help Seeking for People Concerned About Their Thoughts and Behaviors Regarding Children During the COVID-19 Pandemic.

Sexual offending (Trier, Germany)·2026

Same author

Messaging to promote the public's understanding of child sexual violence as preventable, not inevitable.

Child abuse & neglect·2025

Same author

Mapping the unseen: global prevalence of childhood sexual violence.

Lancet (London, England)·2025

Same author

Guiding leaders to prevent and address child sexual abuse within K-12 schools: A qualitative study on educators' perspectives.

Child abuse & neglect·2025

Search research articles

Related Experiment Video

Updated: May 1, 2026

Long-term Lethal Toxicity Test with the Crustacean Artemia franciscana

Long-term Lethal Toxicity Test with the Crustacean Artemia franciscana

Published on: April 14, 2012

Keep testing the waters: Fanniff and Letourneau reply.

Amanda M Fanniff¹, Elizabeth J Letourneau²

¹Palo Alto University, CA, USA afanniff@paloaltou.edu.

Sexual Abuse : a Journal of Research and Treatment

|April 17, 2014

Summary

Hecker cautions against over-interpreting scores from the Juvenile Sex Offender Assessment Protocol-II (J-SOAP-II) in youth disposition evaluations. Continued caution is advised due to the high stakes involved for juveniles.

Keywords:

adolescent sexual abusers juvenile sex offender juvenile sex offender recidivism psychometric properties risk assessment

More Related Videos

A Simple Behavioral Assay for Testing Visual Function in Xenopus laevis

A Simple Behavioral Assay for Testing Visual Function in Xenopus laevis

Published on: June 12, 2014

Bioindication Testing of Stream Environment Suitability for Young Freshwater Pearl Mussels Using In Situ Exposure Methods

Bioindication Testing of Stream Environment Suitability for Young Freshwater Pearl Mussels Using In Situ Exposure Methods

Published on: September 5, 2018

Related Experiment Videos

Last Updated: May 1, 2026

Long-term Lethal Toxicity Test with the Crustacean Artemia franciscana

Long-term Lethal Toxicity Test with the Crustacean Artemia franciscana

Published on: April 14, 2012

A Simple Behavioral Assay for Testing Visual Function in Xenopus laevis

A Simple Behavioral Assay for Testing Visual Function in Xenopus laevis

Published on: June 12, 2014

Bioindication Testing of Stream Environment Suitability for Young Freshwater Pearl Mussels Using In Situ Exposure Methods

Bioindication Testing of Stream Environment Suitability for Young Freshwater Pearl Mussels Using In Situ Exposure Methods

Published on: September 5, 2018

Area of Science:

Forensic Psychology
Child and Adolescent Psychiatry
Legal Psychology

Background:

The article addresses critical considerations for interpreting the Juvenile Sex Offender Assessment Protocol-II (J-SOAP-II).
It reviews existing literature and empirical research on the J-SOAP-II's psychometric properties.
New research published since the original article is also considered.

Discussion:

Hecker highlights important factors influencing the interpretation of J-SOAP-II findings.
The authors maintain their recommendation for cautious use of J-SOAP-II scores in dispositional evaluations.
This caution is emphasized due to the significant impact on adolescent legal outcomes.

Key Insights:

Interpretation of J-SOAP-II scores requires careful consideration of psychometric properties.
Despite new data, the reliability and validity in dispositional contexts remain a concern.
The potential consequences for juveniles necessitate a conservative approach to score interpretation.

Outlook:

Further research is needed to fully establish the J-SOAP-II's utility in juvenile dispositional evaluations.
Developing clearer guidelines for interpreting J-SOAP-II scores is essential.
Ensuring ethical and accurate assessment practices for juveniles is paramount.