Trial reportLancet (London, England)2018
Effects of the Learning Together intervention on bullying and aggression in English secondary schools (INCLUSIVE): a cluster randomised controlled trial.
Trial report in Lancet (London, England), 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 84 papers, 13 of them syntheses that pooled it.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
84 citing papers in PubMed, 13 syntheses or guidelines pooled it, 283 citations in OpenAlex.
- Effectiveness of School-Based Resilience Interventions on Adolescent Tobacco, Alcohol, and Illicit Substance Use: A Meta-Analysis.The Journal of school health · 2026Pooled it
- A systematic review and equity analysis of school-based violence prevention interventions evaluated in randomised controlled trials.BMC public health · 2026Pooled it
- Systematic Review and Meta-analysis of the Effectiveness of Whole-school Interventions Promoting Mental Health and Preventing Risk Behaviours in Adolescence.Journal of youth and adolescence · 2025Pooled it
- Research Review: Do antibullying interventions reduce internalizing symptoms? A systematic review, meta-analysis, and meta-regression exploring intervention components, moderators, and mechanisms.Journal of child psychology and psychiatry, and allied disciplines · 2022Pooled it
- Components Related to Long-Term Effects in the Intra- and Interpersonal Domains: A Meta-Analysis of Universal School-Based Interventions.Clinical child and family psychology review · 2022Pooled it
- The role of school connectedness in the prevention of youth depression and anxiety: a systematic review with youth consultation.BMC public health · 2022Pooled it
- What is the impact of structural and cultural factors and interventions within educational settings on promoting positive mental health and preventing poor mental health: a systematic review.BMC public health · 2022Pooled it
- Use of Restorative Justice and Restorative Practices at School: A Systematic Literature Review.International journal of environmental research and public health · 2021Pooled it
- Characteristics and practices of school-based cluster randomised controlled trials for improving health outcomes in pupils in the United Kingdom: a methodological systematic review.BMC medical research methodology · 2021Pooled it
- Co-production as an Emerging Methodology for Developing School-Based Health Interventions with Students Aged 11-16: Systematic Review of Intervention Types, Theories and Processes and Thematic Synthesis of Stakeholders' Experiences.Prevention science : the official journal of the Society for Prevention Research · 2021Pooled it
- Toward an Integrated Model of Supportive Peer Relationships in Early Adolescence: A Systematic Review and Exploratory Meta-Analysis.Frontiers in psychology · 2021Pooled it
- Assessment of School Anti-Bullying Interventions: A Meta-analysis of Randomized Clinical Trials.JAMA pediatrics · 2021Pooled it
- Components of School-Based Interventions Stimulating Students' Intrapersonal and Interpersonal Domains: A Meta-analysis.Clinical child and family psychology review · 2020Pooled it
- A Health Promoting School Intervention in 10th Grade ("My Life - I Decide"): Protocol for a Pragmatic Controlled Trial.JMIR research protocols · 2026Trial
- The Impact of Restorative Practices on the Use of Out-of-School Suspensions: Results from a Cluster Randomized Controlled Trial.Prevention science : the official journal of the Society for Prevention Research · 2023Trial
- Locating and testing the healthy context paradox: examples from the INCLUSIVE trial.BMC medical research methodology · 2022Trial
- Trial
- Effects of a Whole-School Health Intervention on Clustered Adolescent Health Risks: Latent Transition Analysis of Data from the INCLUSIVE Trial.Prevention science : the official journal of the Society for Prevention Research · 2022Trial
- An intervention to improve teacher well-being support and training to support students in UK high schools (the WISE study): A cluster randomised controlled trial.PLoS medicine · 2021Trial
- An mHealth Intervention (ReZone) to Help Young People Self-Manage Overwhelming Feelings: Cluster-Randomized Controlled Trial.Journal of medical Internet research · 2020Trial
24 more citing papers are in PubMed but not listed here.
Corrections and comments
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Authors and funding
18 authors at 5 institutions in 2 countries.
Funding
Abstract
backgroundBullying, aggression, and violence among children and young people are some of the most consequential public mental health problems. We tested the Learning Together intervention, which involved students in efforts to modify their school environment using restorative practice and by developing social and emotional skills.
methodsWe did a cluster randomised trial, with economic and process evaluations, of the Learning Together intervention compared with standard practice (controls) over 3 years in secondary schools in south-east England. Learning Together consisted of staff training in restorative practice; convening and facilitating a school action group; and a student social and emotional skills curriculum. Primary outcomes were self-reported experience of bullying victimisation (Gatehouse Bullying Scale; GBS) and perpetration of aggression (Edinburgh Study of Youth Transitions and Crime (ESYTC) school misbehaviour subscale) measured at 36 months. We analysed data using intention-to-treat longitudinal mixed-effects models. This trial was registered with the ISRCTN registry (10751359).
findingsWe included 40 schools (20 in each group); no schools withdrew. 6667 (93·6%) of 7121 students participated at baseline and 5960 (83·3%) of 7154 at 36 months. Mean GBS bullying score at 36 months was 0·34 (SE 0·02) in the control group versus 0·29 (SE 0·02) in the intervention group, with a significant adjusted mean difference (-0·03, 95% CI -0·06 to -0·001; adjusted effect size -0·08). Mean ESYTC score at 36 months was 4·33 (SE 0·20) in the control group versus 4·04 (0·21) in the intervention group, with no evidence of a difference between groups (adjusted difference -0·13, 95% CI -0·43 to 0·18; adjusted effect size -0·03). Costs were an additional £58 per pupil in intervention schools than in control schools.
interpretationLearning Together had small but significant effects on bullying, which could be important for public health, but no effect on aggression. Interventions to promote student health by modifying the whole-school environment are likely to be one of the most feasible and efficient ways of addressing closely related risk and health outcomes in children and young people.
fundingNational Institute for Health Research, Educational Endowment Foundation.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.