How does lexical sophistication impact high-level Italian learners' fluency

Lexical sophistication, which refers to the range and complexity of vocabulary used by language learners, plays a crucial role in the fluency of high-level Italian learners. Fluency in speaking a second language is influenced not only by the ability to quickly retrieve words but also by the quality and diversity of the vocabulary, which is part of lexical sophistication.

Research on second language acquisition shows that vocabulary knowledge significantly affects multiple stages of language processing and speech production. Highly sophisticated lexical knowledge enables learners to retrieve words more efficiently, produce more complex and accurate speech, and maintain better fluency. This is because a richer vocabulary allows learners to express ideas more precisely and flexibly without frequent hesitations or searching for words.

In high-level language learners, such as advanced Italian learners, lexical sophistication tends to correlate positively with fluency, as learners who use a wider and more sophisticated range of vocabulary tend to speak more smoothly and confidently. These learners also demonstrate better lexical retrieval speed and can integrate lexical items more naturally into their spoken output. Conversely, limited or less sophisticated vocabulary may result in increased hesitations, repetitions, and less fluent speech.

Additionally, studies suggest that lexical sophistication works closely with other aspects of language proficiency such as syntactic complexity and cognitive fluency, further enhancing overall spoken language performance. While syntactic complexity relates to sentence structure, lexical sophistication enriches the lexicon used, both contributing to more fluent and effective communication.

In summary, for high-level Italian learners, lexical sophistication greatly impacts fluency by enabling faster, more accurate, and more complex word retrieval and use during speech. Enhancing lexical sophistication thus remains a key focus for improving fluency at advanced stages of language learning.

References

• Relating Lexical Access and Second Language Speaking Performance

• Intermediate English as a Foreign Language learners’ formulaic language speaking proficiency: Where does the teaching of lexical chunks figure?

• Measuring the development of lexical richness of L2 Spanish: A longitudinal learner corpus study

• Examining the Impact of Reading Fluency on Lexical Decision Results in French 6th Graders

• The Relationship between Lexical Fluency, Temporal Fluency, and Language Proficiency in Iranian EFL Context

• Vocabulary Knowledge Predicts Lexical Processing: Evidence from a Group of Participants with Diverse Educational Backgrounds

• Examining the Impact of Reading Fluency on Lexical Decision Results in French 6th Graders

• A cross-modal analysis of lexical sophistication: EFL and ESL learners in written and spoken production

• Towards a Reduction of Grammar Teaching a Lexical Analysis

• Effects of Language Skills and Strategy Use on Vocabulary Learning Through Lexical Translation and Inferencing

• Investigating the cognitive architecture of verbal fluency: evidence from an interference design on 487 controls

• Fluency and complexity as coupled growers in speaking English at secondary school – A case study of a good, average, and poor language learner

• Predicting Fluency With Language Proficiency, Working Memory, and Directionality in Simultaneous Interpreting

• What Predicts Academic Achievement in EMI Courses? Focus on Vocabulary Knowledge and Self-Perceptions of L2 Skills

• Frequent native language use supports phonemic and semantic verbal fluency in L1 and L2: An extended analysis of verbal fluency task performance in an L1 language attrition population

• One fish, uh, two fish: Effects of fluency and bilingualism on adults’ novel word learning

• Longitudinal development of second language utterance fluency, cognitive fluency, and their relationship

• Proficiency at the lexis–grammar interface: Comparing oral versus written French exam tasks

• The role of proficiency level in the speed of lexical activation

• Proficiency and control in verbal fluency performance across the lifespan for monolinguals and bilinguals