A key statistical test in research fields including biology, economics and psychology, analysis of variance (ANOVA) is very useful for analyzing datasets. It allows comparisons to be made between ...

When you are planning to analyze data from more than two groups with a one-way ANOVA, you need to calculate your sample size and power accordingly. These computations are available, prospectively, for ...

Dunnet’s 1-way ANOVA is a test for comparing multiple groups. It is similar to a basic ANOVA but compares more than 2 groups. Dunnett’s 1-way ANOVA is similar to Tukey’s test or Fisher’s 1-way ANOVA.

A key statistical test in research fields including biology, economics and psychology, analysis of variance (ANOVA) is very useful for analyzing datasets. It allows comparisons to be made between ...

This applet allows users to drag the black dots in the plot to change the group means. The user can also change the standard deviation and sample size (n) by dragging the slider on the left. After ...