Claims

Positive Action has positive effects on elementary school students' behavior, with a WWC domain average effect size of 0.51 and an improvement index of +19 percentile points

Claim · All claims
Evidence · 1 study · quant-synthesis r? · q3 · i2 medium
Currency · newest study 2007 · 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 i2 Across two studies meeting WWC standards, the average effect size for behavior outcomes was statistically significant, favoring the intervention group. → WWC Intervention Report: Positive Action 2007

Evidence

WWC Intervention Report: Positive Action 2007

WWC Intervention Report: Positive Action. (2007). What Works Clearinghouse, U.S. Department of Education. http://www.positiveaction.net

q3 · i2 · quant-synthesis · r?

WWC aggregation of behavior-domain findings from one randomized controlled trial (Flay et al., 2006) and one quasi-experimental study (Flay & Allred, 2003), covering 56 schools and over 2,660 students. The printed "Domain average8 across studies 0.51" is an average effect size of 0.51 (a medium effect), yielding an improvement index of +19 percentile points, and the WWC rated the domain as having positive effects.

"Domain average8 across studies 0.51 na +19"

Studies bearing on this claim

Do schoolwide character-education programmes change students' behaviour, and do they also move knowledge, attitudes, values and achievement? This table gathers the studies behind this claim and the 7 narrower claims that bear on it: 2 distinct studies (2 quant-synthesis), q2–q3, 1 of 2 with an effect size coded. One row per study, codes as each entry records them; no effect is averaged and no verdict is drawn. Built by scripts/synthesize_claim.py from eval/synthesis/; a row that looks wrong is fixed on the claim it comes from.

Study Design Effect as recorded Bears on this claim through
WWC Intervention Report: Positive Action 2007 q3 · quant-synthesis · r? i2; i1; i? this claim; In the Hawaii randomized trial, Positive Action reduced serious violence among boys but no (qualifies); Positive Action has positive effects on elementary school students' academic achievement, (supports); In the Hawaii randomized trial, Positive Action showed no statistically significant effect (qualifies)
What Works Clearinghouse 2007 q2 · quant-synthesis · r1 i? The Child Development Project/CSC shows potentially positive effects on student behavior, (supports); CSC/CDP shows no discernible effects on knowledge, attitudes, and values (qualifies); CSC/CDP shows no discernible effects on academic achievement (qualifies); Statistically significant effects reported by the CDP studies were not statistically signi (qualifies)

Discussion

Page metadata
Field Value
type claim
id positive-action-positive-effects-behavior
title Positive Action has positive effects on elementary school students' behavior, with a WWC domain average effect size of 0.51 and an improvement index of +19 percentile points
description Positive Action has positive effects on elementary school students' behavior, with a WWC domain average effect size of 0.51 and an improvement index of +19 percentile points
status review
evidence_strength moderate
newest_evidence 2007
generated by process:wiki-ingest on 2026-10-07
trust unverified — no one has confirmed this page's content
sources 1 — wwc-intervention-report-positive-action-2007

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