Which Hypothesis Was Supported by the Results of MacDonald's Study

question 1

Multiple Choice

Which hypothesis was supported by the results of MacDonald's study of ADHD in Australia, Norway, Sweden, and the United States?

• A) The prevalence of ADHD varies because health care providers in different countries use different definitions and measures of ADHD.
• B) ADHD is more noticeable at an early age in countries that teach academic skills to preschoolers.
• C) Parents and doctors in some countries underreport the prevalence of ADHD because some societies stigmatize childhood mental disorders.
• D) Parents and doctors in some countries overreport the prevalence of ADHD because some societies pathologize the normal behaviors of young children.

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