A Biologist Wants to Determine the Effect of a Diet

question 3

Multiple Choice

A biologist wants to determine the effect of a diet supplement using white rats. A shipment of 20 rats is obtained from a biological supply firm. They arrive in a single box. The biologist reaches into the box and the first ten rats caught are assigned to the control group and the remaining rats are assigned to the experimental group receiving the supplement. Select the potential source of confounding.

• A) Method of formation of the control and treatment groups
• B) Experimenter effect
• C) Placebo effect
• D) The study is essentially free from potential sources of confounding.

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Definitions:

Anne Hutchison

A key figure in the development of religious freedom in the American colonies, known for her role in the Antinomian Controversy in the Massachusetts Bay Colony.

Salvation

In religious contexts, the deliverance from sin and its consequences, believed by Christians to be brought about by faith in Christ.

New Netherland

A 17th-century colonial province of the Dutch Republic that included parts of what is now the northeastern United States.

Amicable Relations

Friendly and cordial interactions or agreements between individuals, groups, or nations, often aimed at fostering peace and cooperation.