How Goodhart's Law Breaks Metrics
Explore Goodhart's Law—when a measure becomes a target, it ceases to be a good measure—and how to design metrics that resist gaming.
January 2026
December 2025
Measurement and Metrics Terms You Should Know
Learn essential measurement and metrics terminology with clear explanations that help you design better metrics and interpret data correctly.
KPIs Explained Without Buzzwords
Understand what KPIs actually are, how they differ from regular metrics, and how to select and use them effectively without corporate jargon.
Quantitative vs Qualitative Metrics
Understand when to use quantitative versus qualitative measurement, their strengths and limitations, and how they complement each other.
What Should Be Measured and Why
Learn how to identify what truly matters to measure, avoid measurement traps, and design metrics that actually improve decisions and outcomes.
Vanity Metrics vs Meaningful Metrics
Learn to distinguish vanity metrics that look good but don't matter from meaningful metrics that actually drive decisions and outcomes.
Why Measurement Changes Behavior
Explore the observer effect and Hawthorne effect—how the act of measurement itself changes what's being measured and the implications for metrics.