ANOVA calculator

One-way ANOVA calculator

Compare three or more group means with one-way ANOVA, effect sizes, and multiple-comparison follow-ups.

Run this test in StatLab Use @statlab/core

When to use it

Use when a continuous outcome is measured across three or more independent groups.

Inputs

  • Groups of numeric values
  • Alpha level
  • Post-hoc correction

Reporting cautions

  • Use Welch ANOVA when variances are strongly unequal.
  • Pairwise comparisons should be corrected for multiplicity.

Technical teams

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