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Related Experiment Video

Updated: Sep 16, 2025

Methods to Test Visual Attention Online
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Methods to Test Visual Attention Online

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Comparing sustained attention performance across laboratory-based versus web-based settings.

Jinwon Kang1, Matthew W Lowder2, Wonil Choi3

  • 1School of Humanities and Social Sciences, Gwangju Institute of Science and Technology, 123 Cheomdangwagi-ro, Buk-gu, Gwangju, South Korea.

Attention, Perception & Psychophysics
|July 10, 2025
PubMed
Summary
This summary is machine-generated.

Web-based experiments can replicate lab settings for sustained attention, but may show lower accuracy and more variable reaction times. Careful design is crucial for reliable web-based cognitive research.

Keywords:
Experimental environmentSustained attentionSustained attention to response task

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Area of Science:

  • Cognitive Psychology
  • Human-Computer Interaction
  • Psychological Research Methodology

Background:

  • Replication of laboratory findings in web-based settings is increasingly common.
  • Web-based experiments sometimes show slower reaction times and reduced accuracy compared to lab settings.
  • Understanding these discrepancies is vital for the validity of online research.

Purpose of the Study:

  • To compare performance on the Sustained Attention to Response Task (SART) in lab-based versus web-based environments.
  • To determine if reaction times and accuracy differ significantly between the two settings.
  • To assess the reliability of web-based platforms for cognitive tasks.

Main Methods:

  • A repeated-measures, within-subjects design was employed.
  • Participants completed the Sustained Attention to Response Task (SART) in both lab and web settings.
  • Key performance metrics included reaction times (go/no-go trials), accuracy, and post-error slowing.

Main Results:

  • No significant differences were found in reaction times or post-error slowing between settings.
  • Accuracy on no-go trials did not differ significantly.
  • Lab settings showed lower reaction time variability and higher go-trial accuracy than web settings.

Conclusions:

  • Web-based settings can effectively replicate lab-based performance regarding reaction times for sustained attention tasks.
  • Lower accuracy and higher reaction time variability in web-based settings suggest potential issues with participant engagement and external influences.
  • Methodological considerations are essential for robust web-based cognitive research.