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Children Probably Store Short Rather Than Frequent or Predictable Chunks: Quantitative Evidence From a Corpus Study
Robert Grimm1, Giovanni Cassani1, Steven Gillis1
1Department of Linguistics, Computational Linguistics and Psycholinguistics Research Center, University of Antwerp, Antwerp, Belgium.
Frontiers in Psychology
|February 15, 2019
Summary
Children learning language may store short speech chunks. Research suggests short, simple utterances, not long, predictable ones, are most likely stored as undersegmented chunks, aiding word acquisition.
Area of Science:
- Developmental Psychology
- Linguistics
- Cognitive Science
Background:
- Children segment continuous speech into linguistic units.
- Syllables are early perceptual units in speech segmentation.
- Storing syllable chunks may aid early word learning.
Purpose of the Study:
- Investigate which types of speech chunks children store.
- Examine the role of utterance characteristics in word acquisition.
- Determine if children store undersegmented chunks.
Main Methods:
- Analyzed syllabified utterances from child-directed speech corpora.
- Varied utterances by length, syllable predictability, and frequency.
- Used utterance storage likelihood to predict word learning time course.
Main Results:
- Short utterances best predict word acquisition timing.
- Short utterances are most likely to correspond to actual words.
- Children store few complete utterances as undersegmented chunks.
Conclusions:
- Children primarily store actual words, not many undersegmented chunks.
- When stored, undersegmented chunks are short sequences.
- Findings support item-based accounts of language acquisition.
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