We do not compare cell means in post hoc analysis when the cells are confounded because
A)confounded cell means cannot differ significantly.
B)confounded cell means contain too much sampling error.
C)even if the difference were significant, we could not tell where the difference came from.
D)if the difference were significant, it would cast doubt on the interpretation of other significant differences.

Question

Quizplus · Accepted Answer

Confounded cell means make it impossible to attribute differences to specific variables or interactions because the effects are mixed, preventing clear interpretation of the source of any observed differences.

We Do Not Compare Cell Means in Post Hoc Analysis