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Related Experiment Videos

Reaction time crossover with an interfering task

R S Buenaventura1, A J Sarkin

  • 1Department of Psychology, San Diego State University, California 92182, USA.

Perceptual and Motor Skills
|June 1, 1996
PubMed
Summary

Tapping the tabletop while performing a reaction time task slows responses. This dual-task interference effect on reaction time was consistent across various preparatory interval lengths and sequences.

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Area of Science:

  • Cognitive Psychology
  • Human Factors

Background:

  • Reaction time (RT) is a fundamental measure in cognitive psychology.
  • Understanding factors influencing RT, such as task interference, is crucial for optimizing performance.

Purpose of the Study:

  • To investigate the impact of a concurrent tapping task on reaction time.
  • To examine how regularity of preparatory intervals interacts with tapping interference.

Main Methods:

  • 66 undergraduate students performed a reaction time task involving pressing and releasing a button.
  • Participants experienced preparatory intervals of varying lengths (1-25 sec) in regular or irregular sequences.
  • Half the participants concurrently tapped with their non-preferred hand.

Main Results:

  • Reaction times were significantly slower when participants performed the concurrent tapping task.
  • Significant effects were found for regularity of intervals, interval length, and their interaction.
  • Tapping interference on reaction time was consistent across different interval conditions.

Conclusions:

  • Concurrent tapping introduces dual-task interference, increasing reaction time.
  • The effect of tapping on reaction time is independent of the regularity and length of preparatory intervals.

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