Out of the following three common post-hoc analyses, which one is the most conservative?
A) Bonferroni correction
B) Fisher's LSD
C) Multi-stage significance testing
D) None of these

Question

Quizplus · Accepted Answer

The Bonferroni correction is the most conservative because it adjusts the p-value threshold for each comparison made in the post-hoc analysis. This means that the likelihood of a Type I error (false positive) is greatly reduced, but it also increases the likelihood of a Type II error (false negative). Fisher's LSD and multi-stage significance testing do not adjust the p-value threshold for multiple comparisons, making them less conservative.

Out of the Following Three Common Post-Hoc Analyses, Which One