# Two-edition event comparison scorecard

Use one row per measure, with the same definition and cutoff in both editions. If definitions or coverage changed, write “not directly comparable” rather than forcing a trend.

| Measure and definition | Edition A: raw value / source | Edition B: raw value / source | Denominator or scope | What changed between editions? | Comparison and limitation | Next decision / owner |
|---|---|---|---|---|---|---|
| Valid registrations | [ ] | [ ] | [ ] | [ ] | [ ] | [ ] |
| Checked-in unique people | [ ] | [ ] | [ ] | [ ] | [ ] | [ ] |
| Available capacity | [ ] | [ ] | [ ] | [ ] | [ ] | [ ] |
| Capacity use = checked-in people / relevant capacity | [ ] | [ ] | [ ] | [ ] | [ ] | [ ] |
| Check-in rate = checked-in eligible people / valid registrations or issued tickets (choose one) | [ ] | [ ] | [ ] | [ ] | [ ] | [ ] |
| Paid / complimentary attendee mix | [ ] | [ ] | [ ] | [ ] | [ ] | [ ] |
| Gross and net ticket revenue, currency | [ ] | [ ] | [ ] | [ ] | [ ] | [ ] |
| Survey result with exact question and respondent count | [ ] | [ ] | [ ] | [ ] | [ ] | [ ] |

## Edition change ledger

| Change | Edition A | Edition B | Why it affects interpretation | Evidence / owner |
|---|---|---|---|---|
| Venue and usable capacity | [ ] | [ ] | [ ] | [ ] |
| Date, duration and competing events | [ ] | [ ] | [ ] | [ ] |
| Ticket prices, categories and free allocations | [ ] | [ ] | [ ] | [ ] |
| Program, audience and promotion | [ ] | [ ] | [ ] | [ ] |
| Check-in coverage or data definition | [ ] | [ ] | [ ] | [ ] |
| Survey invitation and wording | [ ] | [ ] | [ ] | [ ] |

Observed change: [ ]. Plausible explanation: [ ]. What would disprove it: [ ]. Next decision, owner and review date: [ ].

Do not infer that a price, weather or campaign change alone caused the result. Keep raw totals visible beside percentages. Confirm order, attendee and check-in statuses in the reporting platform before counting them as equivalent.