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How to Obtain Reliable Visual Event-related Potentials in Newborns
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The reliability of estimating visual working memory capacity.

Mengnuo Dai1,2, Yanju Li1,2, Shuoqiu Gan1

  • 1CAS Key Laboratory of Behavioral Science, Institute of Psychology, Chinese Academy of Sciences, Beijing, 100101, China.

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|February 6, 2019
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Summary
This summary is machine-generated.

Estimating visual working memory capacity is reliable using a change detection task. Test-retest reliability improved with larger set sizes and when tests were conducted at the same time of day.

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Area of Science:

  • Cognitive Psychology
  • Neuroscience

Background:

  • The reliability of working memory capacity estimations is crucial for cognitive research.
  • Change detection tasks are frequently employed in electroencephalography studies.

Purpose of the Study:

  • To evaluate the test-retest reliability of visual working memory capacity estimations.
  • To investigate the influence of set size and time of day on reliability.

Main Methods:

  • Utilized a lateralized change detection task to estimate working memory capacity.
  • Administered two separate tests to assess test-retest reliability.
  • Analyzed correlations between K values across different set sizes.

Main Results:

  • Test-retest correlations for K values ranged from 0.502 to 0.757.
  • Reliability increased with larger set sizes in the change detection task.
  • Higher reliability was observed when tests were performed at the same time of day.

Conclusions:

  • Individual visual working memory capacity can be reliably estimated using a change detection task.
  • Test-retest reliability is influenced by set size and testing schedule.
  • Findings support the use of change detection tasks for reliable working memory assessment.