What Is the Primary Difference Between Pretest/posttest Designs and Within-Groups

question 2

Multiple Choice

What is the primary difference between pretest/posttest designs and within-groups designs?

• A)The number of participants used
• B)The number of times the dependent variable is measured
• C)The number of levels of the independent variable participants are exposed to
• D)There is no difference between the two designs.

---

Definitions:

Urinary Frequency

A condition characterized by the need to urinate more often than usual.

Fascia

A fibrous membrane covering, supporting, and separating muscles; may also unite the skin with underlying tissue.

Tendon

A pliable yet non-stretchable strand of durable collagenous fibrous tissue that connects a muscle to a bone.

Tissue

Groups of cells in an organism that have similar structure and function.