# Time-Indexed Effect Size for Educational Research and Evaluation: Reinterpreting Program Effects and Achievement Gaps in K–12 Reading and Math

> Research article (The Journal of Experimental Education, 2018) · cited 16× · AI/ML

**Wikidata**: [openalex:W2782086349](https://www.wikidata.org/wiki/openalex:W2782086349)  
**Source**: https://4ort.xyz/entity/time-indexed-effect-size-for-educational-research-and-evaluation-reinterpreting-program-effects-and-achievement-gaps-in-