Simon Task

Press LEFT for RED, RIGHT for BLUE
Click Start when ready

Current Session Statistics

0
Trials
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Accuracy
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Congruent RT
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Incongruent RT

Results

Trial Mode Condition Time Result
Complete a trial to see results

About the Simon Task

The Simon Task measures cognitive interference from spatial information. You must respond to COLOR while ignoring POSITION.

  • Press LEFT ARROW for RED squares
  • Press RIGHT ARROW for BLUE squares
  • Congruent: Position matches response key (easier)
  • Incongruent: Position conflicts with response key (harder)

The Simon Effect = Incongruent RT - Congruent RT