The Concept of Diminishing Returns Is Used to Explain

question 18

Multiple Choice

The concept of diminishing returns is used to explain

• A)choice of sample size.
• B)random digit dialing techniques.
• C)response rate.
• D)sampling error.
• E)market definition.

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Definitions:

Maturity

A state of full development.

Contrast Medium

A material employed in medical imaging to enhance the clarity of internal body structures.

Allergy

An altered or acquired state of sensitivity; abnormal reaction of the body to substances normally harmless.

Iodine

A chemical element necessary for thyroid gland function, which helps regulate metabolism.