Which Research Design Is Considered Most Powerful When Seeking to Inform

question 2

Multiple Choice

Which research design is considered most powerful when seeking to inform healthcare providers about the potential benefits of a healthcare intervention?

• A) Pretest-posttest
• B) Case control study
• C) Solomon four-group
• D) Randomized control trial

---

Definitions:

Motor Neurons

Specialized neurons that transmit impulses to muscles or glands, enabling movement and action.

Voluntary Muscles

Muscles that are under conscious control, primarily used for locomotion and manipulation of the environment.

Antagonist

A substance that acts against and blocks an action in pharmacology or a character who opposes the protagonist in literature.

Muscular Rigidity

A condition in which muscle tone is abnormally increased, leading to stiffness and resistance to movement.