# Measuring Class Hierarchies in Postindustrial Societies: A Criterion and Construct Validation of EGP and ESEC Across 31 Countries

> Research article (Sociological Methods & Research, 2022) · cited 29× · AI/ML

**Wikidata**: [openalex:W4308915434](https://www.wikidata.org/wiki/openalex:W4308915434)  
**Source**: https://4ort.xyz/entity/measuring-class-hierarchies-in-postindustrial-societies-a-criterion-and-construct-validation-of-egp-and-esec-across-31-c