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However, these criticisms drove evolution. Each subsequent edition—NANDA 2, NANDA 3, and the modern NANDA-I—refined the taxonomy. The current version uses a much more sophisticated domain-driven model (Domains, Classes, and Diagnoses). But without the foundation of , none of those improvements would exist.

While NANDA-I has since approved over 250 diagnoses, some of the most enduring came directly from : nanda 1

: Defining characteristics (e.g., as evidenced by decreased reaction time ). Key Research Findings However, these criticisms drove evolution

For an "Actual" diagnosis (one that is currently happening), the nurse must provide proof. This consists of the data gathered during the assessment. nanda 1