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 error variance.
C)even if the difference were significant,we could not tell where it 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 determine the source of any observed differences because the effects are not clearly attributable to a single factor or interaction, thus complicating the interpretation of significant differences.

We Do Not Compare Cell Means in Post Hoc Analysis