# Measuring Writing Development and Proficiency Gains Using Indices of Lexical and Syntactic Complexity: Evidence From Longitudinal Russian Learner Corpus Data

> Research article (Modern Language Journal, 2022) · cited 16× · AI/ML

**Wikidata**: [openalex:W4312179352](https://www.wikidata.org/wiki/openalex:W4312179352)  
**Source**: https://4ort.xyz/entity/measuring-writing-development-and-proficiency-gains-using-indices-of-lexical-and-syntactic-complexity-evidence-from-long