Robert DeKeyser

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Areas of Research

  • Second Language Acquisition 
  • Interlanguage variability 
  • Individual differences in second language learning 
  • Aptitude-treatment interaction 
  • Cognitive psychology of language acquisition 
  • Critical period phenomena 
  • Monitoring processes 
 
 
Selected Publications
  • Foreign language development during a semester abroad. In B. Freed (ed.), Foreign Language Acquisition Research and the Classroom. Lexington: D. C. Heath, 104-119. (1990). 
  • The effects of error correction on grammar knowledge and oral proficiency. The Modern Language Journal 77, 501-514. (1993). 
  • Learning second language grammar rules: An experiment with a miniature linguistic system. Studies in Second Language Acquisition 17 (379-410). (1995). 
  • The differential role of comprehension and production practice. (With Karl Sokalski). Language Learning 46, 613-642. (1996). 
  • Beyond explicit rule learning: Automatizing second language morphosyntax. Studies in Second Language Acquisition 19, 195-221. (1997). 
  • Beyond focus on form: Cognitive perspectives on learning and practicing second language grammar. In C. Doughty & J. Williams (eds.), Focus on form in classroom language acquisition. New York: Cambridge University Press, 42-63. (1998). 
  • The robustness of critical period effects in second language acquisition. Studies in Second Language Acquisition 22, 499-533. (2000). 
  • Explaining the 'natural order of L2 morpheme acquisition' in English: A meta-analysis of multiple determinants. (With Jennifer Goldschneider). Language Learning 51, 1-50. (2001). 
  • Automaticity and automatization. In P. Robinson (ed.), Cognition and second language instruction. New York: Cambridge University Press, 125-151. (2001). 
  • Implicit and explicit learning. In C. Doughty & M. Long (eds.), Handbook of Second Language Acquisition. Oxford: Blackwell, 313-348. (2003). 
  • What does the critical period really mean? (With Jenifer Larson- Hall).In J.F. Kroll & A.M.B. De Groot (eds.), Handbook of Bilingualism: Psycholinguistic Approaches. Oxford: Oxford University Press, (2005).
  • What makes second-language grammar difficult? A review of issues. Language Learning 55, Supplement 1, 1-25 (2005)
  • A critique of recent arguments against the critical period hypothesis. In C. Abello-Contesse, R. Chacón-Beltrán, M. D. López-Jiménez, & M.M. Torreblanca-López (eds.), Age in L2 acquisition and teaching. Bern: Peter Lang, 2006, 49-58
  • Skill acquisition theory. In J. Williams and B. VanPatten (eds.), Theories in Second Language Acquisition: An introduction. Mahwah, NJ: Erlbaum, 2007, 97-113.
  • DeKeyser, Robert (Ed.). Practicing in a second language: Perspectives from applied linguistics and cognitive psychology. Cambridge University Press, 2007.
  • Situating the concept of practice. In R. DeKeyser (ed.), Practicing in a second language: Perspectives from applied linguistics and cognitive psychology. New York: Cambridge University Press, 2007, 1-18.
  • Study abroad as foreign language practice. In R. DeKeyser (ed.), Practicing in a second language: Perspectives from applied linguistics and cognitive psychology. New York: Cambridge University Press, 2007, 208-226.
  • The future of practice. In R. DeKeyser (ed.), Practicing in a second language: Perspectives from applied linguistics and cognitive psychology. New York: Cambridge University Press, 2007, 287-304.
  • Cognitive-psychological processes in second language learning. In M. Long & C. Doughty (eds.), Handbook of Second Language Teaching. Oxford: Blackwell, 2009, 119-138.
  • Monitoring processes in Spanish as a second language during a study abroad program. Foreign Language Annals. 43, 1 (2010), 80-92.
  • Cross-linguistic evidence for the nature of age effects in second language acquisition. (As first author, with Iris Alfi-Shabtay and Dorit Ravid as co-authors.). Applied Psycholinguistics, 31 (2010), 413-438.
  • DeKeyser, R. M., & Koeth, J. (2011). Cognitive aptitudes for second language learning. In E. Hinkel (Ed.), Handbook of research in second language teaching and learning (Vol. 2, pp. 395-406). London: Routledge.
  • DeKeyser, R. M. (2012). Age effects in second language learning. In S. Gass & A. Mackey (Eds.), Handbook of Second Language Acquisition (pp. 442-460). London: Routledge.
  • DeKeyser, R. M. (2012). Interactions between individual differences, treatments, and structures in SLA. Language Learning, 62(Suppl. 2), 189-200.
  • DeKeyser, R. M. (2012). Aptitude. In P. Robinson (Ed.), Routledge Encyclopedia of Second Language Acquisition (pp. 27-31). London: Routledge.
  • DeKeyser, R. M., & Criado-Sánchez, R. (2012). Automatization, skill acquisition, and practice in second language acquisition. In C. A. Chapelle (Ed.), The Encyclopedia of Applied Linguistics. Oxford, UK: Wiley-Blackwell.
  • DeKeyser, R. M., & Criado-Sánchez, R. (2012). Practice in second language instruction. In C. A. Chapelle (Ed.), The Encyclopedia of Applied Linguistics. Oxford: Wiley-Blackwell.
  • DeKeyser, R. (2013). Age effects in second language learning: stepping stones toward better understanding. Language Learning, 63(Suppl. 1), 52-67.
  • Monner, D., Vatz, K., Morini, G., Hwang, S.-O., & DeKeyser, R. (2013). A neural network model of the effects of entrenchment and memory development on grammatical gender learning. Bilingualism: Language and Cognition, 16(2), 246-265.
  • DeKeyser, R., & Prieto Botana, G. (2014). Acquisition of grammar by instructed learners. In K. Geeslin (Ed.), The Handbook of Spanish Second Language Acquisition (pp. 449-465). Malden, MA: Wiley.
  • DeKeyser, R. (2014). Research on language development during study abroad. In C. Pérez-Vidal (Ed.), Language Acquisition in Study Abroad and Formal Instruction Contexts (pp. 313-325). Amsterdam: Benjamins.
  • DeKeyser, R. (2015). Skill acquisition theory. In B. VanPatten & J. Williams (Eds.), Theories in Second Language Acquisition. An introduction (pp. 94-112). London: Routledge.
  • Suzuki, Y., & DeKeyser, R.  (2015). Does Elicited Imitation Measure Implicit Knowledge? Evidence from the Word-Monitoring Task. Language Learning, 65 (2015), 860-895.
  • DeKeyser, R., & Prieto Botana, G. (2015). The effectiveness of processing instruction in L2 grammar acquisition: A narrative review. Applied Linguistics, 63, (2015), 290-305.
  • DeKeyser, R. (2015). Why less is eventually more in second language acquisition. Linguistic Approaches to Bilingualism, 5(4), 454-458.
  • DeKeyser, R. (2016). Of moving targets and chameleons: Why the concept of difficulty is so hard to pin down. Studies in Second Language Acquisition, 38 (2016), 353-363.doi:10.1017/S0272263116000024
  • Suzuki, Y., & DeKeyser, R. (2017.) Exploratory research on L2 practice distribution: An aptitude-by-treatment interaction). Applied Psycholinguistics, 38(1): 27-56.doi:10.1017/S0142716416000084
  • Suzuki, Y, & DeKeyser, R. (FirstView). Effects of distributed practice on the proceduralization of morphosyntax. Language Teaching Research. DOI: 10.1177/1362168815617334
  • Li, M., & DeKeyser, R. (FirstView).  Perception practice, production practice, and musical ability in L2 Mandarin  tone-word learning (as second author, with Man Li as first author). Studies in Second Language Acquisition.  doi:10.1017/S0272263116000358
  • Solovyeva, K., &  DeKeyser, R. (in press). Response time variability signatures of novel word learning. Studies in Second Language Acquisition.
  • Suzuki, Y, & DeKeyser, R. (in press). The interface of explicit and implicit knowledge in a second language: Insights from individual differences in cognitive aptitude. Language Learning.
  • DeKeyser, R. (in press). The role of salience in the acquisition of Hebrew as a second language: interaction with age of acquisition.  In S. Gass, P. Spinner, and J. Behney, Salience and SLA.London: Routledge,
  • DeKeyser, R. (in press). Task repetition for language learning: A perspective from skill acquisition theory. In M. Bygate (ed.), Task repetition. Amsterdam: Benjamins.
  • DeKeyser, R. (in press).  Knowledge and skill in ISLA. In S.  Loewen and M. Sato (eds.). Routledge Handbook of Instructed Second Language Acquisition. London: Routledge.
  • DeKeyser, R. (in press). Age in learning and teaching grammar. In H. Nassaji (ed.). TESOL Encyclopedia of English Language Teaching. New York: Wiley.