Understand the idea
A symptom is what you observe; a cause is an explanation to test. Change one factor and compare results before making the next change.
WORKED EXAMPLE
A report opens in one app but not another. Check the file type, try the approved compatible app, and record the result before changing the file.
Watch it step by step
Step 1 of 4Observe
Write the exact symptom.
Choose Play to advance steps automatically.
Read or choose any step
- Observe
Write the exact symptom.
- Hypothesise
List a possible cause without calling it proven.
- Test
Try one reversible, approved change.
- Record
Keep the result and choose the next test.
TRY BEFORE CHECKING
Exercises with feedback
MAKE SOMETHING YOU CAN EXPLAIN
Your practical challenge
Investigate a fictional file-opening problem. Create a symptom, hypothesis, test and result table.
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
Use the same method for a formatting problem.