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IASSC Black Belt Examination
The IASSC Certified Lean Six Sigma Black Belt Exam™ is a 150 question, closed book, proctored exam with a 4 hour allotted time. Some forms of this exam may also include up to an additional 15 non-graded questions*. The Exam contains approximately 30 multiple-choice and true/false questions from each major section of the IASSC Lean Six Sigma Black Belt Body of Knowledge and is administered in more than 8,000 Testing Centers located within 165 countries throughout the world and through the IASSC Web-Based On-Demand testing system and by hundreds of IASSC Accredited Providers.