Lessons in Character shows no discernible effects on student behavior¶

Claim · All claims
Evidence · 1 study · causal r2 · q3
Currency · newest study 2006 · not yet checked against its sources · not reviewed by a person

Subclaims¶

q3 i? The Dietsch, Bayha, & Zheng study reported no statistically significant or substantively important effect on citizenship grades (effect size 0.21, not significant). → 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 · i? · causal · r2

WWC recalculation of the randomized controlled trial's behavior-domain outcome, citizenship grades from report cards. The effect size of 0.21 was "ns" (not statistically significant), yielding a domain rating of no discernible effects.

"Citizenship grades Grade 4 4/141 0.12 (0.32) 0.06 (0.23) 0.06 0.21 ns +8"

Discussion¶

Related Claims¶

• Lessons in Character shows no discernible effects on knowledge, attitudes, and values — related
• Lessons in Character has potentially positive effects on academic achievement, with statistically significant effects on mathematics grades and attendance in one randomized controlled trial — related
• Improvement indices favor Lessons in Character across all three outcome domains, largest for academic achievement — 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