CLL Kaizen & Continuous Improvement Events 1 — Questions and Answers
Question 1: What does the Japanese term 'Kaizen' literally translate to in English?
- Good change (Correct answer)
- Continuous flow
- Small steps
- Zero waste
Correct answer: Good change
Kaizen is derived from 'kai' (change) and 'zen' (good), meaning 'good change' or improvement.
Question 2: A Kaizen event (also called a Kaizen blitz) is typically how long in duration?
- 1–5 days (Correct answer)
- 2–4 weeks
- 1–3 months
- 6 months to a year
Correct answer: 1–5 days
Kaizen events are short, focused improvement activities usually lasting 3 to 5 days to rapidly address a specific process problem.
Question 3: Which PDCA phase involves testing a proposed improvement on a small scale before full deployment?
- Do (Correct answer)
- Plan
- Check
- Act
Correct answer: Do
The 'Do' phase is where the team runs a pilot or small-scale trial of the planned improvement.
Question 4: In a Kaizen event, who should ideally be included on the improvement team?
- Frontline workers, supervisors, and cross-functional members (Correct answer)
- Only senior management and engineers
- External consultants exclusively
- Finance and legal representatives only
Correct answer: Frontline workers, supervisors, and cross-functional members
Effective Kaizen teams include the people closest to the work plus support functions to ensure diverse perspectives and buy-in.
Question 5: What is the primary purpose of a pre-event preparation phase in a Kaizen event?
- Define scope, gather current-state data, and brief participants (Correct answer)
- Celebrate past improvements
- Train staff on new software tools
- Negotiate with suppliers
Correct answer: Define scope, gather current-state data, and brief participants
Pre-event preparation ensures the team has baseline data, a clear scope, and understands the problem before the improvement week begins.
Question 6: Which tool is commonly used during a Kaizen event to identify and categorize root causes of a problem?
- Fishbone (Ishikawa) diagram (Correct answer)
- Gantt chart
- Net present value analysis
- SWOT analysis
Correct answer: Fishbone (Ishikawa) diagram
The fishbone diagram visually maps potential root causes across categories such as Man, Machine, Method, and Material.
Question 7: What metric is most directly used to measure the success of a Kaizen event focused on cycle time reduction?
- Before-and-after cycle time comparison (Correct answer)
- Employee satisfaction scores
- Inventory dollar value
- Number of suppliers reduced
Correct answer: Before-and-after cycle time comparison
Comparing cycle time measurements taken before and after the event directly shows whether the improvement achieved its stated goal.
What does the Japanese term 'Kaizen' literally translate to in English?