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Does phonetic training benefit word learning?
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DOI：10.1017/S0272263125101459.png)
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Abstract
En 中文
Recent research has shown that adult learners can rapidly acquire novel words of a foreign language by tracking cross-situational statistics; but learning is substantially reduced when the target words are phonologically similar and contain non-native contrasts. We expand on this research by investigating whether perceptual discrimination training on non-native target contrasts facilitates cross-situational learning of new words (CSWL). Our design combines perceptual training and CSWL to test the transfer of perceptual gains to lexical learning—an approach that integrates methods from L2 speech and statistical learning. In two studies; we tested English-native and Portuguese-native speakers’ learning of 24 Portuguese pseudowords via a CSWL task. In Study 1; we examined baseline learning in both language groups without prior training. In Study 2; English-native speakers were assigned to one of three conditions: phonetic training with an AX discrimination task; phonetic training with an oddity discrimination task; or no phonetic training prior to the CSWL task. Results confirmed that adults can learn non-native words from cross-situational statistics; and that phonological overlap between words decreases learning. Perceptual training improved the discrimination of target contrasts; but this did not transfer to statistical learning of words that contain these contrasts. These findings suggest that phonetic training alone may not be sufficient for vocabulary acquisition; suggesting the need for instructional approaches that integrate phonetic training with more explicit teaching methods or meaning-based practice.
Keywords:
cross-situational learning
phonetic training
Portuguese
statistical learning
word learning
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