Question

In Exercises 33–36, identify which of these designs is most appropriate for the given experiment: completely randomized design, randomized block design, or matched pairs design

Lipitor A clinical trial of Lipitor treatments is being planned to determine whether its effects on diastolic blood pressure are different for men and women.

Short answer

The most appropriate experimental design for the given data is a randomized block design.

Step-by-step solution

Given information

A clinical trial is performed to analyze the effectiveness of the treatment of Lipitor on the diastolic blood pressure for men and women.

Types of experimental designs

A completely randomized design helps in studying experiments that can be randomly assigned to any unit.

A randomized block design helps in studying experiments that have blocks with similar units clustered in them.

A matched pairs design helps in studying experiments that have two effects to be studied on the same set of subjects.

Identification of the type of design

As the experimental set-up comprises two different blocks of people, men and women, a randomized block design will be the most appropriate to determine the effect of the treatment of Lipitor on the diastolic blood pressure level.