Claims

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

Claim · All claims
Evidence · 1 study · review r1 · q2
Currency · newest study 1991 · 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.

q2 i? In the High/Scope Perry Preschool Project 15-year follow-up, children given opportunities to plan and make decisions in preschool were significantly less involved in problem behaviors at age 19. → Benard 1991

Evidence

Benard 1991

Benard, B. (1991). Fostering Resiliency in Kids: Protective Factors in the Family, School, and Community. Western Regional Center for Drug-Free Schools and Communities, Northwest Regional Educational Laboratory. https://eric.ed.gov/?id=ED335781

q2 · i? · review · r1

The review reports the High/Scope Educational Research Foundation's 15-year follow-up of the Perry Preschool Project, in which participants "were at the age of 19 significantly less (as much as 50 percent less!) involved in drug use, delinquency, teen pregnancy, school failure, etc." No standardized effect size is printed.

"they were at the age of 19 significantly less (as much as 50 percent less!) involved in drug use, delinquency, teen pregnancy, school failure, etc."

Discussion

Page metadata
Field Value
type claim
id perry-preschool-participation-reduced-problem-behaviors
title 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
description 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
status review
evidence_strength moderate
newest_evidence 1991
generated by process:wiki-ingest on 2026-10-10
trust unverified — no one has confirmed this page's content
sources 1 — benard-1991

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