Sampling & Sampling Bias

Summary

Drawing conclusions about a full population from a smaller sample — and the many ways a sample can be unrepresentative (selection bias, survivorship bias) and quietly mislead you.

• 1Identify the sampling method behind a survey or study you've seen recently.
• 2Learn survivorship bias with the classic WWII aircraft armor example.
• 3Practice spotting a biased sample in a real news headline about a study.