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Lean Sigma Practitioners
Decision Quality


(Clarity Diagnostics) Decision Quality and Thinking Discipline: The Cognitive Structure Behind Accurate Decisions
Decision quality breaks down long before a choice is made. Teams rely on assumptions, familiar patterns, or incomplete reasoning, and the decision becomes misaligned as a result. This article examines how thinking discipline strengthens decision accuracy and prevents recurring issues.

Caroline Riedel
5 days ago6 min read


What Happened to Lean & Six Sigma? A Quiet Cultural Shift No One Talks About
What Happened to Six Sigma & Lean? A Quiet Shift No One Talks About, But Many Feel. This piece explores the cultural drift inside Lean and Six Sigma over the past two decades — not the tools, but the professionalism that once defined the work. If you’ve sensed the shift but couldn’t articulate it, this breaks down what changed and why it matters. Twenty-two years ago, when I entered these disciplines, professionalism was the expectation. It was the standard. You were expected

Caroline Riedel
Apr 282 min read


Wanted: Critical Thinking in Problem Solving
𝐌𝐨𝐬𝐭 𝐨𝐫𝐠𝐚𝐧𝐢𝐳𝐚𝐭𝐢𝐨𝐧𝐬 𝐝𝐨𝐧’𝐭 𝐡𝐚𝐯𝐞 𝐚 𝐭𝐨𝐨𝐥𝐬 𝐩𝐫𝐨𝐛𝐥𝐞𝐦. 𝐓𝐡𝐞𝐲 𝐡𝐚𝐯𝐞 𝐚 𝐭𝐡𝐢𝐧𝐤𝐢𝐧𝐠 𝐩𝐫𝐨𝐛𝐥𝐞𝐦. When teams jump straight to DMAIC, A3s, or templates, they skip the part that actually solves problems: thinking. Tools don’t compensate for unclear logic, missing assumptions, or untested beliefs. Critical Thinking in Problem Solving is the real bottleneck. If you want a short, practical way to learn how to recognize clarity gaps in your

Caroline Riedel
Apr 141 min read
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