Current Session Statistics

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Trials
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Accuracy
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Avg RT (ms)
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Search Slope

Results

Trial Mode Set Size Target Time (ms) Result
Complete a trial to see results

About Visual Search

Find the RED VERTICAL bar among distractors. This measures parallel (instant pop-out) vs serial (one-by-one) visual processing.

Target: Red Vertical Bar
  • Feature Search: Target among Red Horizontal bars only (color differs - pop-out)
  • Conjunction Search: Target among Red Horizontal + Blue Vertical bars (must check both features)
  • P = Target Present, A = Target Absent
  • Search Slope: ms/item - how much each extra item slows you down