Which Shows the Correct Data Regarding Median Age of Onset

question 21

Multiple Choice

Which shows the correct data regarding median age of onset for the childhood disorders listed?

• A)anxiety-age 6; behavior problems-age 11; mood -age 13; substance abuse-age 15
• B)behavior problems-age 6; mood-age 11; anxiety -age 13; substance abuse-age 15
• C)anxiety-age 6; substance abuse-age 11 behavior problems -age 13; mood-age 15
• D)mood -age 6; behavior problems-age 11; anxiety-age 13; substance abuse-age 15
• E)anxiety-age 6; mood -age 11; substance abuse-age 13; behavior problems-age 15

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Definitions:

Confidence Interval

A range of values, derived from sample statistics, that is likely to contain the value of an unknown population parameter, based on a specified confidence level.

Proportion Difference

The difference in proportions (or percentages) between two groups in a study, used to assess the effect of a treatment or intervention.

Canadians

Residents or citizens of Canada, a country in North America.

Americans

Citizens or natives of the United States of America.