Why is it possible for condition means to differ at the end of an experiment even if the independent variable had no effect?
A)A Type II error has occurred.
B)Error variance has created differences between conditions.
C)A null finding was obtained.
D)The power of the study was low.

Question

Quizplus · Accepted Answer

Error variance refers to the variability among scores caused by variables other than the independent variable. This can lead to differences between condition means even if the independent variable had no effect, as it introduces random fluctuations in the data.

Why Is It Possible for Condition Means to Differ at the End