A Controlled Experiment ________

question 7

Multiple Choice

A controlled experiment ________.

• A) is repeated many times to ensure that the results are accurate
• B) includes at least two groups, one of which does not receive the experimental treatment
• C) includes at least two groups, one differing from the other by two or more variables
• D) includes one group for which the scientist controls all variables

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Definitions:

Pain Reduction

The alleviation or decrease in levels of discomfort or pain.

CAM

Complementary and Alternative Medicine, a group of diverse medical and health care systems, practices, and products that are not presently considered to be part of conventional medicine.

European American

A term referring to Americans who have origins from the countries of Europe.

Hispanic Woman

A term used to describe a female individual of Hispanic heritage or origin.