Environmentally focused interventions appear to be particularly effective for reducing delinquency and drug use¶
Claim · All claims
Evidence · 1 study · quant-synthesisr2·q3
Currency · newest study 2001 · not yet checked against its sources · not reviewed by a person
Subclaims¶
Reading the evidence codes
q is the design tier, i the impact, n the sample, and the kind with its r
the rigour judged within that kind: what each code means.
This claim: no standardized effect is recorded in observations/ for it yet, so no benchmark reading is possible.
q3 i? Environmentally focused interventions appear to be particularly effective for reducing delinquency and drug use. → Wilson 2001
Evidence¶
Wilson 2001¶
Wilson, D.B., Gottfredson, D.C. & Najaka, S.S. (2001). School-Based Prevention of Problem Behaviors: A Meta-Analysis. Journal of Quantitative Criminology. https://doi.org/10.1023/A:1011050217296
q3 · i? · quant-synthesis · r2
Meta-analytic synthesis across program types. The article reports that "environmentally focused interventions appear to be particularly effective for reducing delinquency and drug use," hedged with "appear to be." No effect size is printed.
"Environmentally focused interventions appear to be particularly effective for reducing delinquency and drug use."
Discussion¶
Related Claims¶
- Communities and neighborhoods rich in social networks have lower rates of crime, delinquency, and child abuse — a broader claim this one bears on
- School-based prevention practices appear effective in reducing alcohol and drug use, dropout and nonattendance, and other conduct problems, with small average effects and considerable heterogeneity across studies — related
- Effects on secondary behavioural outcomes (conduct problems, delinquency, substance use) are negligible or non-significant — reports the opposite
- School exclusionary policies paradoxically worsen dropout, delinquency, and achievement — related
- Adolescent substance use is associated with low academic outcomes, delinquency, and risky sexual behaviors, per cited prior work — related
- Peer programs, including cooperative learning strategies, were concluded to be the single most effective school-based approach for reducing youth alcohol and drug use — related
- Interventions with high schoolers and young adults show strong consistent improvement in cognitive regulation and small but significant improvements in health, mental health, and delinquency — related
- Perry Preschool participants given opportunities to plan and make decisions were significantly less involved in drug use, delinquency, teen pregnancy, and school failure at age 19 — related
Page metadata
| Field | Value |
|---|---|
type |
claim |
id |
environmentally-focused-interventions-delinquency-drug-use |
title |
Environmentally focused interventions appear to be particularly effective for reducing delinquency and drug use |
description |
Environmentally focused interventions appear to be particularly effective for reducing delinquency and drug use |
status |
review |
evidence_strength |
moderate |
newest_evidence |
2001 |
generated |
by process:wiki-ingest on 2026-10-15 |
trust |
unverified — no one has confirmed this page's content |
sources |
1 — wilson-2001 |
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