There are infinite ways of using language

Epistemological relativity, for an ELT professional, means that one acceptsthat there are infinite ways of using language and that differences do notautomatically call for judgmental evaluation. (Leung, 2005: p. 138) Leung, C. (2005). Convivial communication: Recontextualizing communicative competence. International Journal of Applied Linguistics, 15(2), 119-144. Check other quotations here.

5 recent papers on language complexity and learner language

Bulté, B., & Roothooft, H. (2020). Investigating the interrelationship between rated L2 proficiency and linguistic complexity in L2 speech. System, 102246. Abstract This study investigates the relationship between nine quantitative measures of L2 speech complexity and subjectively rated L2 proficiency by comparing the oral productions of English L2 learners at five IELTS proficiency levels. We carry … Read more

Usage based in a nutshell (Ellis 2012)

Usage-based theories of language hold that learners acquire constructions in a similar fashion—from the statistical abstraction of patterns of form-meaning correspondence in their usage experience—and that the acquisition of linguistic constructions can be understood in terms of the cognitive science of concept formation following the general associative principles of the induction of categories from experience … Read more

Some references on Usage-based language learning approaches

Ellis, N. (2017) Chapter 6 – Chunking in Language Usage, Learning and Change: I Don’t Know from Part III – Chunking. Edited by Marianne Hundt, Universität Zürich, Sandra Mollin, Universität Heidelberg, Simone E. Pfenninger, Universität Salzburg. Cambridge University Press, pp 113-147 https://doi.org/10.1017/9781316091746.006 Ellis, N. (2017). Cognition, Corpora, and Computing: Triangulating Research in Usage‐Based Language Learning. … Read more