Approximately how many American schoolchildren have been diagnosed with attention deficity hyperactivity disorder (ADHD) ?
A) less than 1 percent
B) about 7-8 percent
C) about 10 percent
D) about 15 percent
Correct Answer:
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Q144: During tasks requiring the identification of facial
Q144: In some studies,people with post-traumatic stress disorder
Q145: Autism may be associated with
A) larger than
Q146: Autism usually becomes apparent
A) at birth.
B) before
Q147: Compared with healthy controls,people with autism show
A)
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Q150: The use of medications for treating autism
A)
Q151: Rates of self-injury
A) are about the same
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Q154: The presence of trace amounts of mercury
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