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Psy Statistics An ANOVA can tell us that there is a difference but not where. How...

Psy Statistics An ANOVA can tell us that there is a difference but not where. How do we determine which levels actually differ?

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Answer #1

Given that:

An ANOVA can tell us that there is a difference but not where. How do we determine which levels actually differ?

Once you do ANOVA to test if all the means are same and the null hypothesis is rejected.

that is there is a difference between the means, the we do a series of tests called post hoc tests.

Where we compare the means pairwise to check which all pairs differ

The example for post hoc tests is Tukey test

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