Enhanced bimodal distributions facilitate the learning of second language vowels.

@article{Escudero2011EnhancedBD,
  title={Enhanced bimodal distributions facilitate the learning of second language vowels.},
  author={Paola Escudero and Titia Benders and Karin Wanrooij},
  journal={The Journal of the Acoustical Society of America},
  year={2011},
  volume={130 4},
  pages={
          EL206-12
        }
}
This study addresses the questions of whether listening to a bimodal distribution of vowels improves adult learners' categorization of a difficult L2 vowel contrast and whether enhancing the acoustic differences between the vowels in the distribution yields better categorization performance. Spanish learners of Dutch were trained on a natural bimodal or an enhanced bimodal distribution of the Dutch vowels /ɑ/ and /aː/, with the average productions of the vowels or more extreme values as the… CONTINUE READING
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