Understand the idea
Readers need to know how confident a claim should be. Use ranges or caveats only when they follow from a stated method.
WORKED EXAMPLE
A task took 18, 20 and 22 minutes in three trials. A plan can allow about 20 minutes while noting that three trials may not capture all conditions.
Watch it step by step
Step 1 of 4Measure
List the three observed times.
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Read or choose any step
- Measure
List the three observed times.
- Summarise
Describe the typical result without hiding the range.
- Qualify
State the small number of trials and conditions.
- Recommend
Offer a practical next step with those limits.
TRY BEFORE CHECKING
Exercises with feedback
MAKE SOMETHING YOU CAN EXPLAIN
Your practical challenge
Write a brief planning note using the three times. Label the estimate and supporting observations.
These ticks are your self-review. They do not automatically assess project quality. Ask an adult or partner to review what you can show.
Use the skill in a new situation
Rewrite the note for a younger reader.