Multiple Testing — Glossary

multiple_testing

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Definition

Testing many hypotheses at once inflates false positives: at alpha 0.05, ~5% of null tests pass by chance. Corrections (Bonferroni, FDR) control the error rate.

Examples

20,000 SNPs → FDR, not raw p < 0.05.

Related terms

FDR / q-Value Multiple Testing Correction p-Value