Compared with the ICF framework, the Nagi model is characterized by the absence of a formal coding system.

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Multiple Choice

Compared with the ICF framework, the Nagi model is characterized by the absence of a formal coding system.

Explanation:
The key idea here is the difference between having a formal coding system and not having one. The ICF uses a universal, structured coding scheme to classify and quantify functioning and disability across body functions and structures, activities, participation, and environmental factors. The Nagi model, on the other hand, is a conceptual sequence that links pathology to impairment to functional limitation to disability without assigning standardized codes to those states. Because it doesn’t provide a universal set of codes, it lacks a formal coding system. This makes the statement true. In practice, ICF’s coding supports consistent data collection and cross‑setting comparisons, while the Nagi model offers a framework for understanding how disablement progresses without standardized coding.

The key idea here is the difference between having a formal coding system and not having one. The ICF uses a universal, structured coding scheme to classify and quantify functioning and disability across body functions and structures, activities, participation, and environmental factors. The Nagi model, on the other hand, is a conceptual sequence that links pathology to impairment to functional limitation to disability without assigning standardized codes to those states. Because it doesn’t provide a universal set of codes, it lacks a formal coding system. This makes the statement true. In practice, ICF’s coding supports consistent data collection and cross‑setting comparisons, while the Nagi model offers a framework for understanding how disablement progresses without standardized coding.

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