Use your PPBs and PPMs to calculate return
on investment of the improvement proposals. To answer your question: no, we
don??™t believe you can do real OID before you do Level 4.
Be sure to estimate a return on investment before running any pilot of the
improvement. Update these estimates as the understanding of the improvement
increases. Record historical data on all estimates. The pilot procedures and plans
need to include evaluation techniques, for example, walkthroughs, prototypes, and
human simulations along with documented methods for measuring savings.
Establish Process Improvement Goals
Your organization should have improvement goals and manage to them. The organization
needs to consider establishing three types of strategic process improvement goals:
1. Incremental Improvements
2. Innovative Improvement
3. Targeted Improvements
Incremental improvements are stepwise improvements accomplished by making
the current processes and tools a little better. A source of incremental improvement
opportunities can be found by analyzing the organization??™s common defects from
reviews and testing and other common causes of variation.
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