According to the textbook, the fact that Attention-Deficit Hyperactivity Disorder was a small problem in the United States 25 years ago and now is…

1.According to the textbook, the fact that Attention-Deficit Hyperactivity Disorder was a small problem in the United States 25 years ago and now is commonly diagnosed suggests the need to:Select one:
A. improve the training of psychologists and psychiatrists
B. adequately define the disorder in terms of behavior rather than medical tests
C. inform the public on alternative medicines
D. carefully conduct research to clear up the controversies that surround the disorder
2.According to the textbook, which group has the highest incidence of ADHD? Select one:A Asian American girls
B. Hispanic American boys
C. Native American boys
D. African American boys
3.Your grandmother’s cure for an upset stomach is to rub vinegar on your ear lobes. According to your relatives, the treatment works much of the time, but has no real medical effect. Placebos are often widely accepted because ____ is (are) very influential.Select one:
A. the double blind effect
B. testimonials
C. the placebo effect
D.confounding effects
4.There is a positive correlation between duration of breastfeeding and intelligence test scores. This means:Select one:
A.breastfeeding causes increases in intelligence
B. that long periods of breastfeeding result in higher test scores in adulthood
C.experiences in childhood can affect adulthood
D. cause and effect statements cannot be made