Credible impact communication depends on saying exactly what was measured, how it was measured and what the evidence cannot yet show.
Different numbers answer different questions
Attendance can describe reach, but it cannot by itself demonstrate learning or lasting change. A completed activity is an output; a supported change in knowledge, behaviour or circumstance may be an outcome.
We will avoid combining these ideas into a single impressive-looking number.
What a published result should include
When verified results become available, the supporting information should make the claim understandable and open to scrutiny.