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Rational phonological lengthening in spoken Dutch
1Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA. hjt@mit.edu
The Journal of the Acoustical Society of America
|December 13, 2012
Summary
Dutch speakers optionally lengthen words by inserting a schwa sound. This pronunciation variation is more likely for less frequent words, suggesting a strategy for efficient information transmission.
Area of Science:
- Linguistics
- Phonetics and Phonology
- Sociolinguistics
Background:
- Dutch features optional schwa insertion (epenthesis) between liquid and obstruent sounds.
- This process, exemplified in words like 'film'/'filəm', lengthens words by a syllable.
- Epenthesis is a productive and widespread phonological process in Dutch.
Purpose of the Study:
- To investigate the factors influencing the choice between lengthened and unlengthened variants in Dutch.
- To determine if probabilistic factors, such as word frequency and contextual probability, affect schwa insertion.
- To explore the implications of these findings for theories of efficient communication and pronunciation variation.
Main Methods:
- Corpus analysis of spoken Dutch.
- Statistical analysis of word frequency and contextual probability.
- Examination of variant forms (e.g., film/filəm, dorp/dorəp).
Main Results:
- Speaker choice between variant forms is significantly influenced by probability.
- Less frequent words or words with lower contextual probability are more likely to be lengthened.
- This probabilistic influence is consistent across different contexts.
Conclusions:
- Schwa insertion in Dutch is not random but probabilistically controlled.
- The findings support the hypothesis of a rational communication strategy for efficient information transfer.
- The study provides insights into the production mechanisms underlying pronunciation variation in language.
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