Which of the Following Is True About the Validity of a Measure

question 8

Multiple Choice

Which of the following is true about the validity of a measure?

• A) Characteristics of the sample may affect the validity of a tool for use in a particular study.
• B) Once validity is established, it need not be examined before using the tool in future applications.
• C) Physiological measures are objective and accurate and do not need to be examined for any type of validity.
• D) Use of a tool in many studies indicates it is a valid instrument for nursing research.

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Definitions:

Principal

In finance, this term refers to the original sum of money borrowed in a loan, or the amount of the investment itself, excluding any interest or profit.

Agent

A person or entity authorized to act on behalf of another person or entity in contractual or legal matters.

Purporting

Presenting or claiming something to be true, often without offering proof or evidence.

Express Authority

The power granted intentionally to an agent by a principal, often in written form, to perform specific acts on the principal's behalf.