Improve Phase

On average, there are currently 15 questions in the CSSGB exam from the “Improve” phase.

Effective August 2022, the number of exam questions from the “Improve” phase will increase from 15 to 16.

The following are the sections within the “Improve” pillar of the GB exam, with the cognition level specified for each one.

A. Design of experiments (DOE)

1. Basic terms

Define and describe terms such as independent and dependent variables, factors and levels, responses, treatments, errors, repetition, blocks, randomization, effects, and replication. (Understand)

2. DOE graphs and plots

Interpret main effects analysis and interaction plots. (Apply)

B. Implementation planning

Apply implementation planning by using proof of concepts, try-storming simulations, and pilot tests. (Apply)

C. Lean tools

1. Waste elimination

Select and apply tools and techniques for eliminating or preventing waste, including pull systems, Kanban, 5S, standard work, and poka-yoke. (Apply)

2. Cycle-time reduction

Use various techniques to reduce cycle time (continuous flow, setup reduction, single-minute exchange of dies (SMED)). (Analyze)

3. Kaizen and kaizen blitz

Define and distinguish between these two methods and apply them in various situations. (Apply)