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Related Experiment Videos

Stress in time.

M H Kelly1, J K Bock

  • 1Department of Psychology, University of Pennsylvania, Philadelphia 19104.

Journal of Experimental Psychology. Human Perception and Performance
|August 1, 1988
PubMed
Summary
This summary is machine-generated.

Speakers adjust word stress in sentences for rhythmic alternation, influencing stress patterns in nouns versus verbs. This suggests word stress may adapt to performance conditions.

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Area of Science:

  • Psycholinguistics
  • Phonetics
  • Computational Linguistics

Background:

  • Lexical stress patterns in English exhibit differences between word categories.
  • Sentence-level rhythmic structure may influence the realization of word stress.

Purpose of the Study:

  • To investigate if speakers modify word stress for rhythmic alternation within sentences.
  • To determine if this rhythmic adjustment explains stress differences between English nouns and verbs.

Main Methods:

  • Two experiments involving speakers producing pseudowords in sentence contexts.
  • Analysis of text to examine preceding and succeeding weak stress patterns for nouns and verbs.

Main Results:

  • Speakers adjusted pseudoword stress based on preceding and succeeding stress patterns, favoring trochaic rhythm.

Related Experiment Videos

  • Disyllabic nouns were more likely than verbs to occur in trochaic contexts.
  • Historical analysis of stress changes in English nouns and verbs supported the rhythmic influence hypothesis.

    • Conclusions:

    • Speakers actively adapt lexical stress to sentence-level rhythmic requirements.
    • Rhythmic biases in language performance may contribute to the evolution of lexical stress differences.
    • Observed citation stress patterns may reflect performance-driven adaptations.