List Three Threats to the Validity of a Survey Designed

question 2

Essay

List three threats to the validity of a survey designed to measure food intake.

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Definitions:

Example

A representative instance or case used to illustrate a principle, pattern, or procedure.

Executed Contract

A fully performed contract; a contract at the stage when both parties have performed or fulfilled their obligations.

Example

An illustration or instance used to explain or support a statement or principle.

Infant's Liability

The legal responsibilities and limitations on contracts or agreements entered into by minors, often subject to special rules and protections.