A Researcher Is Using a Repeated-Measures Study to Evaluate the Difference

Multiple Choice

A researcher is using a repeated-measures study to evaluate the difference between two treatments.If the difference between the treatments is consistent from one participant to another,then the data should produce a ____.​

A) ​small variance for the difference scores and a small standard error
B) ​small variance for the difference scores and a large standard error
C) ​large variance for the difference scores and a small standard error
D) ​large variance for the difference scores and a large standard error