Let's face it—many industrial researchers, including Six Sigma Black Belts, do a terrible job of planning the research they need to do to perform their jobs efficiently. See that guy over there? Yeah, he is the one I am talking about, so you should read this article so you can help the poor bloke. In my last couple of articles I have been covering a process to plan a research study—in this one we continue with the planning phase and confront an often neglected step for good experimental design—nuisance variables.

In my previous article, I covered the first part of how to plan a study. Remember, this can be any type of study—anything from the plan for a mega project spanning an entire company to a sub-sub-project where we are investigating a small component of that process.

Again, here is the cycle I'll be using.

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