DrTse Wants to Use the Scientific Method to Test Whether

question 131

Multiple Choice

Dr.Tse wants to use the scientific method to test whether vitamin C consumption improves resistance to stress.What is the first thing that she should do?

• A) Observe people in stressful situations who have and who have not consumed vitamin C.
• B) Develop hypotheses about vitamin C consumption and resistance to stress.
• C) Randomly give half of the participants vitamin C and the other half a placebo and then test their resistance to stress.
• D) Build a theory about vitamin C's effect on the stress response.

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Definitions:

Physical

Relating to the body as opposed to the mind or spirit, encompassing material things, bodily activities or phenomena.

Folic Acid

A vitamin of the B complex, essential for the production and maintenance of new cells and for preventing certain birth defects.

Embryonic Period

The stage of prenatal development from fertilization up to the eighth week, where rapid growth and development of major body systems and structures occur.

Spine and Brain

Central components of the nervous system where the brain is the control center and the spine connects it to the rest of the body through nerve fibers.