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Community Based Intervention01:30

Community Based Intervention

270
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...
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Conduct Disorder01:28

Conduct Disorder

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Conduct disorder is a complex mental health diagnosis characterized by a repetitive and persistent pattern of behavior that violates societal norms, the rights of others, or age-appropriate rules. The diagnostic criteria for conduct disorder require the presence of at least three problematic behaviors within the past 12 months, with at least one occurring in the past six months. These behaviors are grouped into four categories: aggression toward people and animals; destruction of property;...
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Operant Conditioning Intervention01:24

Operant Conditioning Intervention

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Operant conditioning serves as a foundational principle in therapeutic interventions aimed at modifying maladaptive behaviors. Central to this approach is the notion that behaviors, both adaptive and maladaptive, are learned through reinforcement. By analyzing the environmental factors that reinforce problematic behaviors, clinicians can design interventions to weaken these reinforcements and replace maladaptive behaviors with healthier alternatives.
In operant conditioning, behaviors that are...
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Bullying02:04

Bullying

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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...
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Behavior Modification01:21

Behavior Modification

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Behavioral approaches have often been criticized for ignoring mental processes and focusing solely on observable behavior. However, these approaches provide an optimistic perspective for individuals seeking to change their behaviors. Rather than concentrating on intrinsic personality traits, behavioral approaches suggest that even longstanding habits can be modified by changing the reward contingencies that maintain them.
A real-world application of operant conditioning principles is applied...
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Group Design02:01

Group Design

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The most basic experimental design involves two groups: the experimental group and the control group. The two groups are designed to be the same except for one difference— experimental manipulation. The experimental group gets the experimental manipulation—that is, the treatment or variable being tested—and the control group does not. Since experimental manipulation is the only difference between the experimental and control groups, we can be sure that any differences between...
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Related Experiment Video

Updated: Jan 14, 2026

Experimental Paradigm for Measuring the Effects of Self-distancing in Young Children
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School-Based Interventions for Reducing Disciplinary School Exclusion. An Updated Systematic Review.

Sara Valdebenito1, Hannah Gaffney2, Maria Jose Arosemena-Burbano1

  • 1Institute of Criminology University of Cambridge Cambridge UK.

Campbell Systematic Reviews
|October 24, 2025
PubMed
Summary

School-based interventions modestly reduce school exclusions, with in-school exclusion showing the most potential for reduction. Impacts on other behavioral outcomes like conduct problems and substance use remain limited.

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Area of Science:

  • Educational Psychology
  • Public Health
  • Criminology

Background:

  • School exclusion, or suspension, is a disciplinary measure linked to negative developmental outcomes.
  • Existing school-based interventions aim to reduce exclusion rates, but their effectiveness is inconclusive.
  • This study updates a previous systematic review by extending the evidence base to 2022.

Purpose of the Study:

  • To assess the effectiveness of school-based interventions in reducing disciplinary exclusions.
  • To examine the impact of these interventions on related behavioral outcomes: conduct problems, delinquency, and substance use.
  • To explore implementation barriers and facilitators through qualitative synthesis.

Main Methods:

  • A mixed-methods systematic review and multi-level meta-analysis of quantitative studies (1980-2022) and qualitative process evaluations (UK-based).
  • Meta-analysis included 32 studies with 2765 effect sizes from 67 primary evaluations (approx. 394,242 students) using multilevel random-effects models.
  • Qualitative synthesis analyzed 9 UK-based process evaluations focusing on stakeholder perceptions of implementation.

Main Results:

  • School-based interventions showed a small but statistically significant reduction in school exclusion (SMD = 0.104, p < 0.001).
  • In-school exclusion demonstrated greater potential for reduction compared to permanent exclusions or out-of-school suspensions.
  • Effects on conduct problems, delinquency, and substance use were negligible or not statistically significant.

Conclusions:

  • School-based interventions can modestly reduce school exclusions, particularly in-school exclusions.
  • Implementation is facilitated by flexible, collaborative, consistent interventions with strong staff buy-in and perceived effectiveness.
  • Targeted, context-sensitive interventions with robust implementation strategies are crucial for sustained reductions in school exclusion.