Following his doctoral studies, Ellis pursued a career in academia, specializing in reading acquisition, psycholinguistics and applied linguistics. He was a member of the psychology faculty at Bangor from 1978 to 2004, before moving to the University of Michigan in 2004.
Scientific contributions
Ellis conducts research on second language acquisition and contributed to the field of applied linguistics through publications and studies that explore these topics. His work has provided insights into how individuals acquire and process language, both in native and non-native contexts. Ellis is notable for his interdisciplinary approach, integrating psychology and linguistics to advance understanding in second language acquisition. His work has influenced language education practices and informed the development of instructional materials and assessment tools.
Ellis studies language as a complex, dynamic system that emerges from the interplay of social interaction, language experience (input), and general purpose learning mechanisms (e.g., working memory, statistical learning). He views constructions, i.e., conventionalized form-meaning pairings, as the building blocks of linguistic representation and knowledge, learned via exposure to richly structured language input. In the context of second language acquisition, Ellis proposes the Associative-Cognitive CREED––that language learning is Construction-based, Rational, Exemplar-based, Emergent, and Dialectic, and underpinned by the same associative and cognitive learning mechanisms as the rest of human knowledge.
Ellis has engaged deeply in debates about the role of explicit versus implicit learning and memory in language acquisition. According to Ellis and others including Arthur Reber, humans acquire most of their linguistic knowledge implicitly in the context of everyday social interaction. That is, humans learn to use language to communicate in myriad contexts without conscious awareness of the complex structures, grammatical patterns, and statistical regularities present in the system as a whole. Through routine usage, linguistic knowledge becomes entrenched, allowing it to be retrieved fluently and automatically as needed. In turn, such entrenched knowledge may interfere with successful acquisition of a new language by making it more difficult to notice unfamiliar patterns. Consequently, explicit instruction may facilitate second language acquisition by drawing the learner's attention to critical language structures and contrasts.
Books
Brown, G. D. A. & Ellis N. C. (Eds.) (1994). Handbook ofspelling: Theory, process and intervention. Wiley. ISBN978-0471943426
Ellis, N. C. (Ed.) (1995). Implicit and explicit learning of languages. Academic Press. ISBN978-0122374753
Ellis, N. C. & Larsen-Freeman, D. (Eds.) (2010). Language as a complex adaptive system. Wiley-Blackwell. ISBN978-1444334005
Ellis, N. C., Römer, U., & Brook O'Donnell, M. (2016). Usage-based approaches to language acquisition and processing: Cognitive and corpus investigations of construction grammar. Wiley-Blackwell. ISBN978-1119296522
Ortega, L., Cumming, A., & Ellis, N. C. (Eds.) (2013). Agendas for language learning research. Wiley-Blackwell. ISBN978-1118590706
Robinson, P. & Ellis N. C. (Eds.) (2008). Handbook ofcognitive linguistics and second language acquisition. Routledge. ISBN978-0-8058-5351-3
Representative articles
Ellis, N. C. (1996). Sequencing in SLA: Phonological memory, chunking, and points of order. Studies inSecond Language Acquisition, 18(1), 91-126. doi:10.1017/S0272263100014698
Ellis, N. C. (1998). Emergentism, connectionism and language learning. LanguageLearning, 48(4), 631-664. doi:10.1111/0023-8333.00063
Ellis, N. C. (2002). Frequency effects in language processing: A review with implications for theories of implicit and explicit language acquisition. Studies inSecond Language Acquisition, 24(2), 143-188. doi:10.1017/S0272263102002024
Ellis, N. C. (2005). At the interface: Dynamic interactions of explicit and implicit language knowledge. Studies inSecond Language Acquisition, 27(2), 305-352. doi:10.1017/S027226310505014X
Ellis, N. C. (2006). Selective attention and transfer phenomena in L2 acquisition: Contingency, cue competition, salience, interference, overshadowing, blocking, and perceptual learning. Applied Linguistics, 27(2), 164–194. doi:10.1093/applin/aml015
↑Ellis, Nick C.; Larsen-Freeman, Diane, eds. (2009). Language as a complex adaptive system. Language learning. Malden, Mass.: Wiley-Blackwell. ISBN978-1-4443-3400-5.