One-way analysis of variance (ANOVA) only determines the significance of group differences and does not identify which groups are significantly different.

Question

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One-way ANOVA tests whether there are any statistically significant differences between the means of three or more independent (unrelated) groups. However, it does not specify which specific groups are different from each other; post-hoc tests are needed for these comparisons.

One-Way Analysis of Variance (ANOVA) Only Determines the Significance of Group