# Class Size Effects on Fourth-Grade Mathematics Achievement: Evidence From TIMSS 2011

> Research article (Journal of Research on Educational Effectiveness, 2016) · cited 24× · AI/ML

**Wikidata**: [openalex:W2336440220](https://www.wikidata.org/wiki/openalex:W2336440220)  
**Source**: https://4ort.xyz/entity/class-size-effects-on-fourth-grade-mathematics-achievement-evidence-from-timss-2011