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Pick up to 4 process improvement and we'll lay out their specifications side by side. Apples to apples only — once you pick the first item, the picker locks to its category so you don't end up comparing Selenium with OWASP Top 10.
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Six Sigma Green Belt
Various
Globally Recognised
Advanced
Renewable
Process improvement methodology certification.
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Lean IT
LITA / EXIN
Globally Recognised
Entry-Level
Lean principles applied to IT operations.
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Specification comparison
Schema: Certifications. Missing values are marked "Not available yet" — those are next on our research list.
| Attribute | ||
|---|---|---|
| Issuing body | IASSC, ASQ, or various | LITA / EXIN |
| Exam format | Multiple choice exam | Multiple choice, online proctored |
| Duration | 180 minutes | 60 minutes |
| Number of questions | 110 | 40 |
| Passing score | 70% (IASSC) | 65% |
| Exam cost | $195–$400 depending on body | €200–300 |
| Prerequisites | None formal | None |
| Validity | 3 years (varies by issuer) | Lifetime |
| Levels available | White, Yellow, Green, Black Belt | Foundation, Kaizen Lead |
| Global recognition | Global — highly valued in process-heavy industries | Growing globally; strong in IT service management |
| Available languages | English primarily | English, Dutch, German |
| Best suited for | QA managers and process engineers in regulated industries | IT managers applying Lean principles to service delivery |
| Official site | www.iassc.org ↗ | www.exin.com ↗ |
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