Reference table
Four ways to validate requirements compared
Email sign-off, workshops, manual interviews and Koji
A comparison for business analysts choosing how to check a requirements draft against stakeholders. It sets email sign-off, workshops, manual interviews and Koji side by side on candour, follow-up, consistency, reach, tallying, evidence and effort. Costs are left out because they vary and are often not public.
Where this appears
What's in this reference table
| Email sign-off | Workshop | Manual interviews | Koji | |
|---|---|---|---|---|
| Candour | Easy to say yes and move on | Loudest voice leads | Good, one person at a time | Each person answers alone |
| Follow-up on a no | Rarely | If time allows | Yes, by the interviewer | Up to 3 follow-ups per question |
| Same wording for all | Yes | Yes | Varies by interviewer | Yes, one guide |
| Reaching 20 people | No scheduling | Weeks of calendars | Weeks of calendars | Answer when free |
| Tally per requirement | By hand | By hand | By hand from notes | Counts in the report |
| Quotes behind a verdict | Email comments | Meeting notes | Interview notes | Linked to supporting responses |
| Analysis effort | Chase and collate | Facilitate and write up | Hours per interview | AI analysis per interview |
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<a href="https://www.koji.so/visuals/requirements-validation-methods-comparison-table"><img src="https://www.koji.so/visuals/requirements-validation-methods-comparison-table/requirements-validation-methods-comparison-table.png" alt="Table comparing email sign-off, workshops, manual interviews and Koji for validating requirements on candour, follow-up, reach and analysis effort." width="1200" height="931" /></a>
<p>Source: <a href="https://www.koji.so/visuals/requirements-validation-methods-comparison-table">Four ways to validate requirements compared</a>, Koji</p>
