What is the objective of the Fisher’s post-hoc test? How is it formulated? Are they non-directional or directional tests? What is the test statistic in Fisher’s test. What are the expected outcomes of the Fisher’s test?
What is the objective of the Fisher’s post-hoc test? How is it formulated? Are they non-directional or directional tests? What is the test statistic in Fisher’s test. What are the expected outcomes of the Fisher’s test?
The objective of Fisher's post-hoc test is to determine if there is a significant difference between two proportions or to test association between two characteristics. To identify which pairs of means are statistically different. The goal is to find the source of overall significance.
The formula for the Fisher's post-hoc test is:
where,
t = critical value from table,
MSW = mean square within, results from ANOVA test
n = number of scores used
The Fisher's test is non-directional post-hoc test.
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