# Estimating causal effects of class size in secondary education: evidence from TIMSS

> Research article (Research Papers in Education, 2019) · cited 24× · AI/ML

**Wikidata**: [openalex:W2995134677](https://www.wikidata.org/wiki/openalex:W2995134677)  
**Source**: https://4ort.xyz/entity/estimating-causal-effects-of-class-size-in-secondary-education-evidence-from-timss