QeystoneIn This Topic
Summary
Allows structured brainstorming about potential factors for a response variable to help you design an experiment. Potential factors are divided into standard categories (Uncontrollable Factors, Controllable Factors, Blockable Nuisance Factors, and Held-Constant Factors).
Answers the question:
- What are the potential factors for a particular response variable?
| When to Use | Purpose |
|---|---|
| Mid-project | Identify potential factors to help you design an experiment. |
Data
No data requirements exist because you only use this tool to collect and organize data.
How-To
- Gather the project team and appropriate stakeholders for a brainstorming session.
- For each category (Uncontrollable Factors, Controllable Factors, Blockable Nuisance Factors, and Held-Constant Factors) list all factors. You may want to establish secondary categories for some or all of the primary categories, then list the factors under the secondary categories.
- Highlight factors that are deemed to be the most important by the team.
- Record the factors in a fishbone diagram using the DOE template.
Guidelines
- Be sure to include project stakeholders in the brainstorming sessions for building the fishbone diagram.
- If the standard categories are not appropriate for the problem, create new ones. Fishbone diagrams can include any type of cause you want to investigate.