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The global prevalence rate, for ADHD, varies considerably from a 7% rate in Japan to a 20% ...

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The global prevalence rate, for ADHD, varies considerably from a 7% rate in Japan to a 20% ...

The global prevalence rate, for ADHD, varies considerably from a 7% rate in Japan to a 20% prevalence rate in Ukraine. What factors contribute to this variance?

▸ The variance is explained by differences in the definition and in procedures for collecting data.

▸ The variance is explained by the number of students enrolled in schools in the country.

▸ The variance is explained by the number of special educators in the country.

▸ The variance is explained by the level of economic development of the country.

Textbook

Introduction to Contemporary Special Education

Edition: 2^nd

Authors: Smith, Tyler, Skow

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