The Diagnosis of Attention Deficit Hyperactivity Disorder Has Been Quite

Multiple Choice

The diagnosis of Attention Deficit Hyperactivity Disorder has been quite controversial since the 1970's. Boys tend to be diagnosed two to four times more frequently than girls and symptoms occur prior to the age of seven. This neurobehavioral development disorder is the most diagnosed problem in children, affecting what percentage globally?

A) 70% to 85%
B) 40% to 60%
C) 10% to 20%
D) 3% to 5%