Topic: Paired data and paired t procedures

Paired t Conclusions About Causation and Generalization

Checking Normality of the Differences

Constructing a Paired t Confidence Interval

Conditions for a Paired t Procedure

Reducing Paired Data to One-Sample Differences

Defining the Difference Variable

Paired Design With Random Order of Treatments

Matched Pairs Versus Independent Samples

Interpreting a Paired t Interval

Worked Example: Before and After Tutoring Scores