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Related Experiment Videos

On the complexities of measuring naming.

Kathleen Rastle1, Matthew H Davis

  • 1Macquarie Centre for Cognitive Science, Macquarie University, Sydney, New South Wales, Australia. kathy@maccs.mq.edu.au

Journal of Experimental Psychology. Human Perception and Performance
|May 10, 2002
PubMed
Summary

This study evaluated electronic voice keys for measuring naming latency, finding their accuracy varied. Controlling for initial phonemes did not consistently eliminate voice key errors in reading aloud tasks.

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Area of Science:

  • Cognitive Psychology
  • Psycholinguistics
  • Speech Science

Background:

  • Accurate measurement of naming latency is crucial for understanding speech production.
  • Electronic voice keys offer a potential automated method for latency measurement.
  • Previous research has explored factors influencing naming latency, such as phonological complexity.

Purpose of the Study:

  • To assess the reliability of electronic voice keys in capturing naming latency.
  • To examine if matching initial phonemes mitigates voice key errors.
  • To investigate the impact of onset complexity on reading aloud latency measurements.

Main Methods:

  • Compared three naming latency measurement techniques: hand-coding and two electronic voice keys.
  • Investigated the effect of phonological onset complexity (e.g., 'sat' vs. 'spat') on reading aloud.

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  • Analyzed the performance of each voice key under different conditions.
  • Main Results:

    • The three measurement techniques yielded divergent results: a complexity advantage, a complexity disadvantage, and a null effect.
    • The adequacy of electronic voice keys was found to be variable.
    • Voice key error was not consistently controlled by matching initial phonemes.

    Conclusions:

    • Electronic voice keys may not be universally adequate for precise naming latency measurement.
    • Researchers should carefully validate voice key performance in specific experimental contexts.
    • Onset complexity can interact with measurement techniques, affecting observed naming latencies.