Visible source text, polished agenda, adapter, or linked evidence.
Interactive report
Evidence Maturity Ladder
A practical ladder for separating agenda design evidence from proof that a gathering actually changed behavior, networks, decisions, or outcomes.
Built for: Researchers, CEOs, funders, and organizers who need credibility without pretending agenda evidence is causal proof.
For researchers, CEOs, funders, and honest marketers
A public agenda can show whether an event is designed for outcomes. It usually cannot prove the outcomes happened.
This matters because event marketing often jumps from attendance and satisfaction to impact language. The methodology does not allow that shortcut. It separates source-backed evidence from inference and separates design potential from causal proof.
The ladder below is a credibility map. It tells readers what kind of claim the public evidence can support: a weak lead, a visible agenda, design mechanisms, baseline or feedback, follow-up or tracking, impact evidence, or true causal/ROI proof.
Why satisfaction and NPS do not drive GES
Satisfaction answers a reaction question. Did people like it? Was it convenient? Would they recommend it? Useful, but not enough.
Effectiveness answers an outcome question. Did people learn, decide, implement, build useful ties, change behavior, or move a named problem?
GES rewards stronger evidence. Baseline, feedback, commitments, tracking, follow-up, impact evidence, and causal proof sit higher on the ladder.
Format and structure inference kept separate.
Rare but important starting-state evidence.
Agenda evidence alone is not treated as causal proof.
The honest standard is powerful: show the agenda design, label the inference, and never pretend a public program page proves impact by itself.
Evidence maturity ladder
Representative events by strongest visible evidence level.
-
0. Lead or weak public evidenceSource is thin, lead-like, or agenda evidence is not usable.1,296
-
1. Agenda structure visibleA public agenda exists, but outcome evidence is minimal.786
-
2. Design mechanisms visibleParticipant work, network, personalization, or transfer mechanisms appear.7,808
-
3. Baseline or feedback visibleThe agenda shows intake, assessment, feedback, or reflection.3,117
-
4. Follow-up or tracking visibleThe source shows commitments, progress checks, continuation, or tracking.999
-
5. Impact evidence visibleThe source includes impact, validation, or outcome signals.213
-
6. Causal proof / ROIWould require attribution, comparison, and longitudinal outcome evidence; not treated as proven by agenda alone.0
Evidence source kinds
Source-backed and inference signals are intentionally separated.
format_inference
101,813
source_text
75,111
agenda_structure
21,837
polished_agenda
11,622
adapter_source
6
linked_companion_source
1
How to climb the ladder
Publish a real agenda.
Move from marketing copy to visible session structure, timing, formats, and participant work.
Add baseline and feedback.
Show what participants need before the event and how the event captures learning, usefulness, or application readiness.
Track what happens next.
Use follow-up, commitments, progress checks, outcome reports, and comparison where possible.
How to read this
Demand credible claims.
Impact language should come with baseline, comparison, follow-up, or visible outcome evidence.
Publish the proof architecture.
Tell readers how the event will know whether anything changed.
Protect your claims.
Do not call exposure ROI. Ask what data will support a business outcome.
Use the corpus honestly.
Agenda evidence is powerful for design comparison and limited for causal inference.
Measure the starting state
Ask what participants know, need, intend, or can do before the event begins.
Make progress visible
Publish check-ins, dashboards, post-event surveys, or implementation milestones.
Stop implying proof from applause
Satisfaction/NPS can be useful feedback, but effectiveness claims need stronger evidence.
Highest evidence maturity examples
Representative public examples. Source URLs remain available from each event page.
| Event | GES | Type | Items |
|---|---|---|---|
| Learning Forward Annual Conference 2026lfp.learningforward.org | 59 | action-oriented convening | 78 |
| Ahead 2026ahead.org | 58 | action-oriented convening | 75 |
| RISE Nationalnational.risehealth.org | 58 | public sector policy civic agenda | 56 |
| Midwest Climate Collaborative 2026midwestclimatecollaborative.wustl.edu | 57 | action-oriented convening | 73 |
| 2026 Conference - Agenda at a Glancenlbha.org | 57 | action-oriented convening | 52 |
| SOPHE Annual Conferencesophe2026.eventscribe.net | 56 | action-oriented convening | 78 |
| Scup 2026scup.org | 56 | action-oriented convening | 54 |
| Cof 2025cof.org | 55 | action-oriented convening | 80 |
| 2026 Programsocialimpactsummit.co | 55 | action-oriented convening | 41 |
| ISTELiveconference.iste.org | 54 | action-oriented convening | 80 |
| PEAK 2025 Annual Conveningpeakgrantmaking.org | 54 | action-oriented convening | 77 |
| Caranational 2026caranational2026.vfairs.com | 54 | action-oriented convening | 53 |
Methodology Appendix
Evidence levels are assigned by visible mechanisms in representative records. Level 6 is intentionally zero because causal proof requires more than public agenda evidence.
Scores are not causal proof. They are public, source-grounded judgments from visible agenda structure, source evidence, and explicitly labeled inference.