Individual variation and the roles of L1 and proficiency in the L2 development of English grammatical morphemes

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• Akira Murakami, University of Cambridge
• Friday 24 May 2013, 12:00-13:00
• FW26, Computer Laboratory.

If you have a question about this talk, please contact Ekaterina Kochmar.

Based on EF-Cambridge Open Language Database, the study identifies second language (L2) developmental patterns of English grammatical morphemes and investigates the effects of learners’ native language (L1) and proficiency on the patterns. Through the process, it addresses the extent to which individual variation is observed in the development. Targeting 140,000 essays written by 46,700 learners of 10 L1 backgrounds across a wide range of proficiency levels, the study found that the developmental patterns of accuracy (i) can be clustered into a few groups, (ii) are similar across morphemes, (iii) are affected by learners’ L1 backgrounds and proficiency, and (iv) are nonlinear. Large individual variation was observed in the absolute accuracy, the accuracy order, and the developmental trajectories of the morphemes. Together, they point towards a complex, dynamic, and nonlinear nature of morpheme development.

This talk is part of the NLIP Seminar Series series.

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