A Study on the Regional Differences of Lexical Richness in High School English Writing

The cornerstone of studying and writing English is lexicon. For lexical evaluation and writing evaluation, lexical richness is a crucial factor. This paper aim to examine the differences in lexical richness among 284 similar writing essays from Jiangsu, Sichuan, and Yunnan using Treetagger, PowerConc, and Range32 from four dimensions: lexical density, lexical diversity, lexical complexity, and lexical error. According to the research, Jiangsu province has a somewhat higher level of lexical diversity and complexity than Sichuan and Yunnan regions, but both have slightly lower lexical density and error rates. This study makes recommendations for vocabulary teaching based on this.