Related Experiment Video
Updated: Apr 7, 2026

05:48
The Adventures of Fundi Intervention Based on the Cognitive and Emotional Processing in Attention Deficit Hyperactive Disorder Patients
Published on: June 12, 2020
6.6K
A Multilevel Meta-Analysis of Single-Case Research on Interventions for Externalizing Behavior Problems in Children
Shawn I Kok1, Laura M Fetz1, Yvonne A J Stikkelbroek2
1University of Amsterdam, Amsterdam, the Netherlands.
JAACAP Open
|April 6, 2026
Summary
Interventions for youth externalizing behavior problems show positive short-term effects but symptom reductions do not persist. Improved reporting in single-case research is crucial for understanding treatment variability.
Area of Science:
- Child and Adolescent Psychology
- Behavioral Science
- Clinical Psychology
Background:
- Externalizing behavior problems are a significant concern in youth.
- Single-case research provides valuable insights into intervention effectiveness for individual cases.
- A comprehensive meta-analysis is needed to synthesize existing single-case research on these interventions.
Purpose of the Study:
- To systematically review and meta-analyze published single-case research on interventions for youth externalizing behavior problems.
- To evaluate the overall effectiveness of these interventions.
- To identify factors influencing treatment outcomes and variability.
Main Methods:
- A systematic search of scientific databases and gray literature was conducted.
- Quantitative single-case studies were included, and study/case characteristics were extracted.
- Multilevel meta-analysis was employed to analyze aggregated raw graph data from individual cases.
Main Results:
- 78 studies with 270 cases were analyzed, revealing positive within-person changes during treatment.
- Symptom reductions were not sustained at follow-up.
- Studies using observational methods showed stronger effects than those using questionnaires; internal validity scores were below average.
Conclusions:
- While interventions show initial promise, long-term effectiveness requires further investigation.
- Enhancing methodological rigor and reporting standards in single-case research is essential.
- Improved reporting will facilitate understanding of treatment variability and effectiveness across diverse youth populations.
Related Concept Videos
Operant Conditioning Intervention
657
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...
In operant conditioning, behaviors that are...
657
Modeling in Therapy
724
Modeling, a key technique in therapy, uses observational learning to help clients acquire and practice new skills by watching therapists demonstrate desired behaviors. This approach, rooted in Albert Bandura's concept of vicarious learning, plays a significant role in therapeutic interventions for various psychological conditions, including social anxiety, ADHD, and depression.
Participant Modeling
Participant modeling involves therapists demonstrating calm and effective behaviors in...
Participant Modeling
Participant modeling involves therapists demonstrating calm and effective behaviors in...
724
Behavior Modification
954
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...
A real-world application of operant conditioning principles is applied...
954
Conduct Disorder
870
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;...
870
Treatment Strategies for Psychological Disorders
934
Treatment approaches for psychological disorders fall into three main categories: psychological, biological, and sociocultural. Each approach targets different aspects of mental health, requiring varying levels of education and training.
Psychological therapies focus on modifying emotions, thoughts, and behaviors through talking, interpreting, listening, rewarding, challenging, and modeling. Clinical psychologists, counselors, and social workers commonly practice psychotherapy. Clinical...
Psychological therapies focus on modifying emotions, thoughts, and behaviors through talking, interpreting, listening, rewarding, challenging, and modeling. Clinical psychologists, counselors, and social workers commonly practice psychotherapy. Clinical...
934
Case Studies
13.9K
There are many research methods available to psychologists in their efforts to understand, describe, and explain behavior and the cognitive and biological processes that underlie it.
13.9K

