Parametric
One-way analysis of variance
Compares the means of three or more groups.
Variables
- Dependent variableContinuous — 1
- FactorNominal · Ordinal — 1
Options
- Post-hoc comparisonsNone · Tukey · Games–Howell · Scheffé · Dunnett
- Control group
- Welch’s test
What it reports
F, df, p; partial η² with a 90% CI; Tukey, Games–Howell, Scheffé or Dunnett comparisons.
scipy · Open the accuracy report
When does this apply?
For a design in which three or more independent groups are compared on one continuous outcome: the outcome in one column, the group name in a categorical column. The output is F, the degrees of freedom, p, and η²ₚ with a 90% confidence interval; pairwise differences between groups appear in the selected post-hoc procedure. Dunnett’s procedure requires a control group, chosen from the factor column’s own levels. The rank-based alternative is the Kruskal–Wallis test.