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Flanker Incongruent Latency Difference

Compute a supplied flanker incongruent-minus-congruent latency contrast without selecting trial exclusions or estimating significance.

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Description

Calculate supplied incongruent-minus-congruent flanker mean latency.

Cognitive-task records distinguish stimuli, responses, exposure order, rating scales and adaptive timing. A stop-delay update does not estimate inhibition latency, and a screen-coordinate mapping is not a calibrated perceptual measure. Supplied observations and task flags do not themselves establish ability, diagnosis or a psychological mechanism.

Calculate supplied incongruent-minus-congruent flanker mean latency.

When to use this tool

Use Flanker Incongruent Latency Difference when you already have incongruentMeanMilliseconds, congruentMeanMilliseconds and need to calculate supplied incongruent-minus-congruent flanker mean latency.

How to use the tool and how it works

  1. Enter incongruentMeanMilliseconds, congruentMeanMilliseconds. Use the units and conventions below.
  2. Run the tool. Correct any format, range, or cross-field input error before interpreting the output.
  3. Read latencyDifferenceMilliseconds. Use the output convention below.

Require both supplied mean milliseconds>=0; subtract congruent from incongruent.1

Input fieldMeaning and unitsAccepted input
incongruentMeanMillisecondsIncongruent Mean MillisecondsRequired. Finite number; minimum 0.
congruentMeanMillisecondsCongruent Mean MillisecondsRequired. Finite number; minimum 0.
Output fieldInterpretationReturned shape
latencyDifferenceMillisecondsLatency Difference MillisecondsRequired. Finite number.
json
{
  "input": {
    "incongruentMeanMilliseconds": 520,
    "congruentMeanMilliseconds": 480
  },
  "output": {
    "latencyDifferenceMilliseconds": 40
  }
}

Limitations and assumptions

  • Negative contrasts are allowed. No trials, effect significance, data cleaning, comparability, cognitive state or clinical interpretation is established.
  • Inputs must satisfy both the field types and the cross-field conditions above. Invalid input causes an error; a successful false flag or documented placeholder is a different result.
  • Numeric calculations use binary floating point unless exact decimal-integer arithmetic is explicitly stated. No hidden measurement tolerance or decimal rounding is added; nonfinite or out-of-contract results are rejected. Numeric signed-zero results are exported as zero.

Alternative or Complementary methods

Review the complete experimental protocol, stimulus calibration, observation records and analysis plan. Use an appropriate full task and statistical analysis for a research interpretation; local timing, rating and coordinate transformations preserve only their declared conventions.

References

  1. Calculation and input contract: cognitive-science/flanker-incongruent-latency-difference — tool.io

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