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Exam (elaborations)
Research Methods ANOVA Latest 2025 Update with complete solution.
Tukey Honestly Significant Difference Method - ️️- rather than using the type I error 
probability rate of 0.05 for individual comparisons, it is reduced 
- this way, the probability of a type I error in the set of multiple pairwise comparisons is 
less than .05 
- this is called the "familywise error rate" 
Arcsine Transformation - ️️- ANOVA assumes normal distribution & equal variance 
across groups 
- this is not true of proportional data (eg. test scores), which tend to have le...