A Scientist Wants to Study the Effect of Vitamin C

question 4

Multiple Choice

A scientist wants to study the effect of vitamin C on colds.He recruits 100 people with colds and gives the experimental group 1000 mg of vitamin C per day.What would be an appropriate control?

• A)Give the control group nothing.
• B)Give the control group 2000 mg of vitamin C per day.
• C)Give the control group orange juice every day.
• D)Give the control group a pill similar to vitamin C but containing sugar (a placebo).
• E)Give the control group 1000 mg of another brand of vitamin C per day.

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Definitions:

Biological Patterns

Refers to recurring characteristics or events in the biological world, such as genetic sequences, behavioral phenomena, or growth formations in organisms.

Temperament

An individual's innate predisposition towards emotional responses and behaviors, often evident from infancy.

Infancy

The period in human development from birth to about 18 months when a child is learning basic motor skills, developing cognitively, and beginning to engage socially.

Synchrony

The coordinated, simultaneous action or occurrence of events or processes, often seen in natural and human-made systems.