Survivorship bias
Drawing conclusions only from entities still present or successfully measured.
What Survivorship bias means
Failed, blocked, removed, or abandoned cases can reverse the apparent pattern.
Related terms in Measurement and evaluation
How a measurement earns trust: evaluation sets, error rates, calibration, reproducibility, and the biases that make a number look better than it is.
AI answer reading · name confusion · hedged answer · Benchmark · Evaluation set · Golden dataset · Ground truth · Human evaluation · LLM-as-judge · Pairwise evaluation · Pointwise evaluation · Rubric · Inter-rater agreement · Accuracy · F1 score · False positive rate · False negative · True positive · True negative · Calibration · Confidence score · Coverage · Abstention · Reproducibility · Repeatability · Variance · Confidence interval · Sample size · Sampling bias · Selection bias · Data leakage · Test contamination
Questions about Survivorship bias
What is Survivorship bias?
Drawing conclusions only from entities still present or successfully measured.
What does Survivorship bias not show or guarantee?
Drawing conclusions only from entities still present or successfully measured.
Which area of the glossary does Survivorship bias belong to?
Measurement and evaluation: How a measurement earns trust: evaluation sets, error rates, calibration, reproducibility, and the biases that make a number look better than it is.
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