What Is One Benefit of Using Controls in an Experiment

question 58

Multiple Choice

What is one benefit of using controls in an experiment?

• A)The size of the groups can be very large.
• B)The subjects do not know anything about the experiment.
• C)The subjects who are treated are balanced against the placebos.
• D)The subjects are similar in all respects except for the treatment being tested.
• E)The costs associated with the study are usually much lower.

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Definitions:

Preoperative (Preop)

The preparatory period preceding surgery.

Preparatory Period

A phase of time dedicated to preparing or getting ready for an upcoming event or activity.

Surgical Asepsis

A set of practices aimed at eliminating all microbial life, including spores, from an area or object, used especially in surgical environments to prevent infection.

Hand Washing

The act of cleaning hands with soap and water or hand sanitizer to remove bacteria, viruses, and dirt.