Giving Placebos in Drug Experiments Is Necessary to

question 303

Multiple Choice

Giving placebos in drug experiments is necessary to

• A)counteract the random assignment of subjects.
• B)counteract the side effects of the drug.
• C)control for the effects of suggestion and expectation.
• D)keep control subjects from knowing they have been given the real drug.

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Definitions:

Degree 3

A polynomial of degree 3 is a polynomial that has the highest exponent of its variable(s) as 3.

Sum

The result obtained by adding two or more numbers.

Scientific Notation

A way of expressing numbers that are too large or too small to be conveniently written in decimal form, using powers of ten.

Quadratic Polynomial

A polynomial of degree two, typically written in the form ax^2 + bx + c where a, b, and c are constants.