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Practice Reflection Lag Time

Measure a signed reflection-start minus practice-end offset on one common timeline.

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Description

Measure supplied reflection-start minus practice-end time.

Adult-learning records distinguish self ratings, comparison criteria, acknowledgments, feedback states and recognized credits. Closing a feedback item can mean completion or decline, while a reported rating gap does not establish competence. Supplied priorities and evidence references need the broader learning context.

Measure supplied reflection-start minus practice-end time.

When to use this tool

Use Practice Reflection Lag Time when you already have practiceEndSeconds, reflectionStartSeconds and need to measure supplied reflection-start minus practice-end time.

How to use the tool and how it works

  1. Enter practiceEndSeconds, reflectionStartSeconds. 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 lagSeconds. Use the output convention below.

Return reflectionStartSeconds-practiceEndSeconds, preserving a negative gap.1

Input fieldMeaning and unitsAccepted input
practiceEndSecondsPractice End SecondsRequired. Finite number.
reflectionStartSecondsReflection Start SecondsRequired. Finite number.
Output fieldInterpretationReturned shape
lagSecondsLag SecondsRequired. Finite number.
json
{
  "input": {
    "practiceEndSeconds": 1000,
    "reflectionStartSeconds": 1600
  },
  "output": {
    "lagSeconds": 600
  }
}

Limitations and assumptions

  • Clocks must match. No practice, reflection quality, learning, engagement or suitable delay is assessed.
  • 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 goals, criteria, learner preferences, evidence and recognition policy. Use an appropriate educational assessment for learning decisions; local labels, time gaps and supplied credit balances do not establish outcomes or informed agreement.

References

  1. Calculation and input contract: andragogy/practice-reflection-lag-time — tool.io

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