A common criticism of Fisher's LSD test is that
A) it is sometimes too conservative.
B) it is sometimes too liberal.
C) it is too difficult.
D) it relies on a non-normal distribution.

Question

Quizplus · Accepted Answer

Fisher's LSD (Least Significant Difference) test is often criticized for being too liberal, meaning it has a higher chance of committing Type I errors (incorrectly rejecting a true null hypothesis) compared to more conservative post-hoc tests. This is because it does not adjust for the increased risk of these errors when multiple comparisons are made.

A Common Criticism of Fisher's LSD Test Is That