The validity of a nursing diagnosis is the degree to which evidence and theory support that the diagnosis is the appropriate interpretation, for a given clinical use, of a given set of manifestations, meaning its defining characteristics.

The text defines validity of a diagnosis as the degree to which accumulated evidence and theory support that the diagnosis is the appropriate interpretation of a given set of manifestations for a given clinical use. It can have different levels, depends on available evidence and underlying theory, applies to the diagnosis itself rather than its individual components, and depends on the intended clinical use. Evidence generation is continuous and cumulative.

Key points

Validity is the degree to which evidence and theory support the diagnosis as the correct interpretation of manifestations.
The manifestations are the defining characteristics of the diagnosis.
Validity is tied to a specific clinical use.
Validity can occur at several levels or degrees.
It depends on available evidence and underlying theory.
Validity is a property of the diagnosis, not of its individual defining characteristics.
Generating validity evidence is an ongoing, cumulative process.

According to the text, what is the definition of validity of a nursing diagnosis?

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