workflow/troubleshooting/

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workflow/troubleshooting/

https://shanenull.com/workflow/troubleshooting/

[shane0]

troubleshooting

• pest
• steps to reproduce
• cartesian socratic feynman methods
• socratic method
• rca - in systems there is not a singular root cause there are co-arising conditions

[shane0]

Pareto Principle

also known as the 80/20 rule, is a concept that suggests a disproportionate relationship between inputs and outputs, where approximately 80% of outcomes arise from 20% of causes. Here's a structured breakdown:

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Origin

Named after Vilfredo Pareto, an Italian economist who observed in 1896 that 80% of Italy's land was owned by 20% of the population. Later, management theorist Joseph Juran popularized the principle in the 1940s, applying it to quality control and business processes.

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Key Idea

• Imbalance of Impact: A small fraction of causes (≈20%) drive the majority of results (≈80%).
• Flexible Ratios: The 80/20 split is a guideline, not a fixed rule. Ratios can vary (e.g., 70/30, 90/10), but the core idea remains—uneven distribution.

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Examples

1. Business: 20% of customers generate 80% of revenue.
2. Software: 20% of bugs cause 80% of system crashes.
3. Personal Productivity: 20% of tasks yield 80% of meaningful results.
4. Health: 20% of habits impact 80% of well-being.

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Applications

• Time Management: Focus on high-impact tasks.
• Quality Control: Prioritize resolving critical defects (e.g., Six Sigma).
• Finance: Invest in assets delivering the highest returns.
• Marketing: Target top-performing channels or customer segments.

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Tools

• Pareto Chart: A bar graph ranking factors by impact, paired with a cumulative line. Helps identify the "vital few" vs. the "trivial many."
• ABC Analysis: Categorizes inventory or tasks by importance (A = top 20%, B = next 30%, C = remaining 50%).

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Limitations

1. Not Universal: Some scenarios have balanced cause-effect distributions.
2. Overlooks Nuance: Fixating on the "20%" may ignore systemic issues or long-term needs.
3. Context Matters: Requires data-driven validation—don’t assume 80/20 without analysis.

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Takeaway

The Pareto Principle is a heuristic, not a law. Use it to prioritize resources and identify leverage points, but always validate with context-specific data. By focusing on the "critical few," efficiency and impact can be significantly enhanced.