One item-level attitude finding, on teachers helping students who need extra help, was statistically significant in the randomized trial¶
Claim · All claims
Evidence · 1 study · causalr2·q3·i2medium
Currency · newest study 2006 · 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 On the item 'Teachers help students who need extra help', the Lessons in Character group scored higher than the comparison group, with an effect size of 0.61 that was statistically significant at the item level. → Lessons in Character 2006
Evidence¶
Lessons in Character 2006¶
Lessons in Character. (2006). WWC Intervention Report, What Works Clearinghouse, U.S. Department of Education. https://ies.ed.gov/ncee/WWC/InterventionReport/270
q3 · i2 · causal · r2
Item-level WWC recalculation from Appendix A4 of the randomized trial's student survey. The item showed a mean difference of 0.82 and effect size 0.61, statistically significant, though the aggregated scale remained non-significant.
"Teachers help students who need extra help Grade 4 21/372 4.47 (1.26) 3.65 (1.45) 0.82 0.61 Statistically significant +23"
Discussion¶
Related Claims¶
- Lessons in Character shows no discernible effects on knowledge, attitudes, and values — related
- Four of seven knowledge, attitudes, and values outcomes favor the comparison group, including ethnic identity (effect size -0.19) and both moral reasoning measures, none statistically significant — related
- In the RCT, the average effect across knowledge, attitudes, and values outcomes was substantively important (0.35) but not statistically significant, with several individual outcomes null — related
Page metadata
| Field | Value |
|---|---|
type |
claim |
id |
lessons-in-character-teacher-help-item-significant |
title |
One item-level attitude finding, on teachers helping students who need extra help, was statistically significant in the randomized trial |
description |
One item-level attitude finding, on teachers helping students who need extra help, was statistically significant in the randomized trial |
status |
review |
evidence_strength |
weak |
newest_evidence |
2006 |
generated |
by process:wiki-ingest on 2026-10-07 |
trust |
unverified — no one has confirmed this page's content |
sources |
1 — lessons-in-character-2006 |
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