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Related Concept Videos

Community Based Intervention01:30

Community Based Intervention

Community-based interventions in mental health represent a paradigm shift from institution-centered care to treatments embedded within the fabric of local communities. By prioritizing inclusion and leveraging existing societal structures, this approach fosters a supportive environment conducive to addressing mental health challenges while promoting individual dignity and agency.
Foundations of Community Mental Health Programs
Central to the success of community-based interventions is the...
Study Designs in Epidemiology01:20

Study Designs in Epidemiology

Epidemiological study designs are fundamental tools for investigating the distribution, determinants, and control of health conditions in populations. They help researchers understand the relationships between exposures and outcomes, and they broadly fall into two categories: "observational" and "experimental" studies.
Observational studies are those where the researcher does not intervene but rather observes natural variations. They include cross-sectional, cohort, and case-control studies.
Bullying02:04

Bullying

A modern form of aggression is bullying. As you learn in your study of child development, socializing and playing with other children is beneficial for children’s psychological development. However, as you may have experienced as a child, not all play behavior has positive outcomes. Some children are aggressive and want to play roughly. Other children are selfish and do not want to share toys. One form of negative social interactions among children that has become a national concern is bullying.
Cross-Sectional Research01:50

Cross-Sectional Research

In cross-sectional research, a researcher compares multiple segments of the population at the same time. If they were interested in people's dietary habits, the researcher might directly compare different groups of people by age. Instead of following a group of people for 20 years to see how their dietary habits changed from decade to decade, the researcher would study a group of 20-year-old individuals and compare them to a group of 30-year-old individuals and a group of 40-year-old...
Bioequivalence Experimental Study Designs: Completely Randomized and Randomized Block Designs01:20

Bioequivalence Experimental Study Designs: Completely Randomized and Randomized Block Designs

Bioequivalence experimental study designs are crucial methodologies used in evaluating and comparing the bioavailability of different drug products. These designs are categorized into various types: completely randomized, randomized block, repeated measures, cross and carry-over, and Latin square designs.Completely randomized designs involve randomly allocating treatments to all subjects participating in the experiment. This allocation is achieved by assigning unique random numbers to subjects...
Clinical Trials01:16

Clinical Trials

Clinical trials are prospective experimental studies conducted on humans to determine the safety and efficacy of treatments, drugs, diet methods, and medical devices. Using statistics in clinical trials enables researchers to derive reasonable and accurate conclusions from the collected data, allowing them to make wise decisions in uncertain situations. In medical research, statistical methods are crucial for preventing errors and bias.
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Related Experiment Video

Updated: Jun 21, 2026

A Modified Trier Social Stress Test for Vulnerable Mexican American Adolescents
06:15

A Modified Trier Social Stress Test for Vulnerable Mexican American Adolescents

Published on: July 10, 2017

A school-based program to prevent adolescent dating violence: a cluster randomized trial.

David A Wolfe1, Claire Crooks, Peter Jaffe

  • 1CAMH Centre for Prevention Science, 100 Collip Cir, Ste 100, London, ON N6G 4X8, Canada. David_Wolfe@CAMH.net

Archives of Pediatrics & Adolescent Medicine
|August 5, 2009
PubMed
Summary

An interactive health curriculum integrating healthy relationships and violence prevention significantly reduced physical dating violence (PDV) in adolescents. This program also improved condom use among sexually active boys, demonstrating a low cost-effective approach to youth safety.

Related Experiment Videos

Last Updated: Jun 21, 2026

A Modified Trier Social Stress Test for Vulnerable Mexican American Adolescents
06:15

A Modified Trier Social Stress Test for Vulnerable Mexican American Adolescents

Published on: July 10, 2017

Area of Science:

  • Public Health
  • Adolescent Health
  • Violence Prevention

Background:

  • Physical dating violence (PDV) is a significant concern among adolescents.
  • Existing prevention programs often lack integration with broader health education topics.

Purpose of the Study:

  • To evaluate an interactive curriculum designed to reduce PDV by integrating it with lessons on healthy relationships, sexual health, and substance use prevention.

Main Methods:

  • A cluster randomized trial involving 1722 students aged 14-15 across 20 public schools.
  • Intervention group received a 21-lesson curriculum over 28 hours, focusing on healthy relationships and violence prevention.
  • Control schools received standard health education without specific intervention materials or training.

Main Results:

  • The intervention group showed a significant reduction in self-reported PDV (7.4% vs 9.8% in controls) at 2.5-year follow-up.
  • The intervention was more effective in reducing PDV among boys compared to girls.
  • Sexually active boys in the intervention group demonstrated significantly higher condom use (67.9% vs 58.6% in controls).

Conclusions:

  • Integrating healthy relationship education and dating violence prevention into school health curricula can effectively reduce PDV among adolescents.
  • The intervention shows long-term benefits, including increased condom use in boys, at a low cost per student.
  • This approach offers a scalable and cost-effective strategy for promoting adolescent safety and well-being.