What would be the point of bootstrapping post hoc tests in a factorial design?
A)To make the post hoc tests more robust particularly against potential bias caused by heteroscedasticity.
B)To make the post hoc tests more robust particularly against potential bias caused by homoscedasticity.
C)To make the post hoc tests less robust particularly against potential bias caused by heteroscedasticity.
D)To make the post hoc tests less powerful particularly against potential bias caused by homoscedasticity.

Question

Quizplus · Accepted Answer

Bootstrapping post hoc tests in a factorial design is done to make the tests more robust particularly against potential bias caused by heteroscedasticity. Heteroscedasticity occurs when the variability of scores within groups is not equal. Bootstrapping helps in generating new samples by resampling the original data, and then analyzing these new samples to get a more reliable estimate of the statistic of interest. It is particularly useful in scenarios where traditional parametric methods may not be appropriate due to violations of assumptions such as normality and homogeneity of variances.

What Would Be the Point of Bootstrapping Post Hoc Tests