Preschoolers Have Difficulty Discriminating Novel Minimal-Pair Words.
1Department of Cognitive Science, SDSU-UCSD Joint Doctoral Program in Language and Communicative Disorders, University of California San Diego, La Jolla.
Summary
Children struggle to distinguish similar-sounding new words, with discrimination difficulty increasing with word similarity. Change/no-change tests may be more sensitive than same/different tests for assessing sound discrimination in children.
Area of Science:
- Child language acquisition
- Phonological development
- Auditory perception
Background:
- Early word recognition relies on accurate perception of subtle phonetic differences.
- Understanding challenges in discriminating novel, similar-sounding words is crucial for identifying potential learning difficulties.
Purpose of the Study:
- To determine if young children (3-5 years) can perceptually distinguish between similar-sounding novel words.
- To identify task characteristics that influence children's ability to discriminate word sounds.
Main Methods:
- Three experiments involving 99 children aged 3-5 years using same/different judgments of novel words.
- Varying word similarity (identical, dissimilar, different consonant, different vowel) and task feedback.
- Manipulating stimulus support by including repeated standard words in one experiment.
Main Results:
- Children performed best discriminating dissimilar words, followed by different-vowel and then different-consonant pairs.
- Performance improved with repeated standard stimuli and was only marginally affected by repeated instructions.
- Discrimination accuracy was generally above chance but varied with word similarity.
Conclusions:
- Young children find it challenging to perceptually discriminate similar-sounding novel words.
- Change/no-change tasks may offer greater sensitivity for assessing phonological discrimination compared to same/different tasks.
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