Which of the following statements about attention-deficit hyperactivity disorder (ADHD) is true?
A) All children with ADHD are hyperactive.
B) Fraternal twins are more likely than identical twins to have ADHD.
C) Boys are diagnosed with ADHD two to three times as often as girls.
D) For a child to be diagnosed with ADHD, symptoms must appear before age 5.
Ans: C) Boys are diagnosed with ADHD two to three times as often as girls.
You might also like to view...
At middle age, there is an apparent decrease in height caused by
A. intervertebral disk degeneration B. decreased thickness of joint cartilage in the lower extremities C. abnormal spinal curvature D. all selections are correct
One reason that different diagnostic criteria are used for males and females with inhibited orgasm disorder is
A. that the disorder is relatively rare in men. B. that only about 20% of women regularly experience orgasm from intercourse. C. both are reasons: that the disorder is relatively rare in men, and that only about 20% of women regularly experience orgasm from intercourse. D. None of these are correct.
According to the principle of insufficient punishment, which of the following parental techniques should be most effective in changing a child's behavior permanently (i.e., even behavior that occurs in the absence of the parent)?
a. ignoring the child's troublesome behavior b. threat of severe punishment c. threat of mild punishment d. severe punishment
In the next few decades, the populations of developed countries will __________.
A. increase more than developing countries B. remain stable in population C. decrease D. increase slowly