Assessing lexical proficiency in Russian as a second language using indices of lexical sophistication, diversity, and fluency - Kisselev, Olesya; Kopotev, Mihail; Vakhranev, Anton (The Modern language journal (Boulder, Colo.), 2025)
Keywords: Corpus analysis; English as a second language instruction; English proficiency; Fluency; Function words; Indexes; L2 proficiency; L2 Russian; L2 writing development; Language Proficiency; learner corpus; lexical complexity; lexical proficiency; Morphemes; Second Languages; Syllables; Word length