MCQLL, 10/7 — Mika Braginsky

At this week’s MCQLL meeting (Wednesday, October 7th, 1:30-2:30pm), Mika Braginsky, a graduate student in Brain and Cognitive Sciences at MIT, will discuss their work investigating linguistic productivity and child language acquisition. Talk abstract is below.
If you would like to attend and have not already signed up for the MCQLL mailing list, please fill out this google form to do so.
Talk: In learning morphology, do children generalize from their vocabularies on an item-by-item basis, or do they form global rules on a developmental timetable? We use large-scale parent-report data to address this question by investigating relations among morphological development, vocabulary growth, and age. For three languages, we examine irregular verbs (e.g. go) and predict children’s correct inflection (went) and overregularization (goed/wented). Morphology knowledge relates strongly to vocabulary, more so than to age. Further, this relation is modulated by age: for two children with the same vocabulary size, the older is more likely to correctly inflect and overregularize, and the effect of vocabulary on morphology decreases with age. Lastly, correct inflection and overregularization rates rise in tandem over age, and vocabulary effects on them are correlated across items. Our findings support that morphology learning is strongly coupled to lexical learning and that correct inflection and overregularization are related, verb-specific, processes.

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