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NAM H. LE
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The "Check" Phase of PDCA as Personal Audit: How to Objectively Diagnose Why Your New Habits Fail
The PDCA (Plan-Do-Check-Act) cycle is the engine of continuous improvement across every elite organization. Yet, when applied to personal performance, most people only execute the "Plan" and "Do" steps. They excitedly schedule their new habits (Plan), attempt them for a week (Do), and when the system breaks, they immediately jump back to a new "Plan." This cycle of repeating the same mistakes happens because they skip the "Check" phase. In systematic performance, the Check

Nam H Le
Dec 7, 20252 min read


Failure Mode and Effects Analysis (FMEA) for Resilience: Systematically Anticipate and Rate Your Personal Failure Points
Resilience is often defined as the ability to recover quickly from setbacks. But in the world of high-performance engineering, the true goal isn't just fast recovery—it's proactive prevention. Engineers use Failure Mode and Effects Analysis (FMEA) to systematically anticipate, rate, and mitigate every potential failure point in a product before it leaves the assembly line. Why should you treat your career, health, and high-stakes decision-making with less rigor? FMEA is th

Nam H Le
Dec 6, 20252 min read


The Six Sigma "Define" Phase for Clarity: How to Quantify and Clearly Articulate Your Personal Problems
In the world of operational excellence, Six Sigma is the gold standard for reducing defects and variation. The framework, known as DMAIC (Define, Measure, Analyze, Improve, Control), begins with a critical, often-skipped step: Define. As a high-achiever, you frequently deal with vague, high-level defects: “I’m burnt out,” “My team lacks communication,” or “I need to improve my focus.” These statements are complaints, not projects. Six Sigma teaches a vital truth: You canno

Nam H Le
Dec 5, 20252 min read


The 5 Whys Analysis: Uncovering Root Causes for Effective Problem-Solving
The 5 Whys analysis is a powerful yet simple problem-solving technique that has revolutionized how organizations approach root cause analysis. Developed by Sakichi Toyoda, the founder of Toyota Industries, this method has become an integral part of lean manufacturing and quality management practices worldwide. Understanding the 5 Whys Analysis At its core, the 5 Whys analysis is an iterative interrogative technique used to explore cause-and-effect relationships underlying a p

Nam H Le
Aug 29, 20243 min read


Fishbone Analysis: Unraveling Complex Problems with Precision
Fishbone analysis, also known as the Ishikawa diagram or cause-and-effect diagram, is a powerful visual tool used in root cause analysis and quality management. Developed by Kaoru Ishikawa in the 1960s, this technique has become an essential component of problem-solving methodologies across various industries. Understanding Fishbone Analysis The fishbone diagram gets its name from its distinctive shape, resembling a fish skeleton. The problem or effect being analyzed is place

Nam H Le
Aug 29, 20242 min read


Root Cause Analysis
Root Cause Analysis (RCA) is a powerful problem-solving methodology used across industries to identify the fundamental reasons behind issues, failures, or inefficiencies. By uncovering the root causes, organizations can implement targeted solutions that prevent recurrence and drive continuous improvement. Understanding Root Cause Analysis Root Cause Analysis is a systematic process that goes beyond addressing symptoms to discover the underlying factors contributing to a probl

Nam H Le
Aug 29, 20242 min read


The 20/80 Rule for Maximum Efficiency
The 20/80 rule, also known as the Pareto Principle, is a powerful concept that can revolutionize how businesses and individuals approach productivity and resource allocation. This principle states that roughly 80% of effects come from 20% of causes. Understanding and applying this rule can lead to significant improvements in efficiency and effectiveness across various aspects of business and life. Origins of the 20/80 Rule The 20/80 rule was first observed by Italian economi

Nam H Le
Aug 29, 20242 min read
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