The CTQ Flowdown as a Conceptual Model of Project Objectives
The critical quality flowdown (CTQ) is a tool that is the core of the definition phase of most quality improvement projects. It relates high-level strategic focal points to project objectives which in turn are linked to and decompose into CTQs made operational in the form of measurements.
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Updated May 1, 2007

Fitting a Square Peg in a Round Hole: Why Manufacturing Six Sigma Will Not Work in a Transaction-Based Financial Services Environment
Four key differences between the manufacturing and financial services environments have significant impact for Six Sigma implementation.
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Updated April 7, 2006

Process Capability
The capability of a process is a statistical indicator of how well it is functioning. This introduction includes four common ways to compute process capability.
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Updated March 1, 2006

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