When Analyzing Interval Data from a Repeated-Measures Design, with a Separate

Multiple Choice

When analyzing interval data from a repeated-measures design, with a separate control group, the t ratio must be established between

A) the "pre" and "post" scores
B) the "post" scores, without reference to the "pre" scores
C) the "pre" scores, without reference to the "post" scores
D) the "change" scores of the experimental and control groups