Answer :

Final answer:

The Global Assessment of Functioning (GAF) score from the DSM-IV was replaced by the WHODAS 2.0 tool in the DSM-5, which better measures the impact of mental disorders on functioning. Broadened diagnostic criteria for autism spectrum disorders contributed to the rise in diagnoses.

Explanation:

In the transition from the DSM-IV to the DSM-5, the Global Assessment of Functioning (GAF) score was replaced. The GAF was used to assess an individual's overall level of functioning and to help in planning treatment. However, it was criticized for its lack of conceptual clarity and questioned for its reliability and validity. In the DSM-5, the GAF score has been replaced by the World Health Organization Disability Assessment Schedule 2.0 (WHODAS 2.0) tool, which measures the impact of mental disorders on everyday functioning.

A partial explanation for the increase in autism spectrum disorder (ASD) diagnosis between 1992 and 2005 might include broader diagnostic criteria, increased awareness, and changes in reporting practices. Broader diagnostic criteria, as represented by the changes in subsequent editions of the DSM, have allowed for a wider range of symptoms and severities to be recognized as ASD.

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