Which of the following statements is true regarding attention deficit hyperactivity disorder (ADHD)??
a. ?The highest prevalence rates are in the Southwest.
b. ?Regional discrepancies might represent the DSM’s varying diagnostic criteria for different parts of the country.
c. ?Regional discrepancies might be associated with low socioeconomic status, which is considered a risk factor.
d. ?The highest prevalence rates are in the Northeast.
ANSWER:
c
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Consider the following research title: "Cooperation among nursery school children under two types of instruction." In this study the independent variable is
a. cooperation b. types of instruction c. nursery school children d. not stated in the title
Approximately ________ of American adolescent girls and ________ of boys claimed that they have "frequently felt ugly and unattractive."
a. 44%, 32% b. 23%, 43% c. 23%, 44% d. 44%, 23% e. 44%, 25%
One major drawback of the U.S. system of comprehensive high schools is that
a. it limits adolescents' occupational choices. b. vocational training limits academic pursuits. c. adolescents need to decide their occupations early. d. it limits job-specific training.
Which of the following best describes Morton, a toddler who is considered securely attached based on the strange situation test?
a. The toddler usually cries upon separation, but when the mother returns he greets her happily and begins to smile. b. The toddler shows little or no interaction with the mother when she is present and no response when she departs. c. The toddler is less likely than others to explore the room and pushes the mother away when she attempts to comfort the child or pick her up. d. The toddler seems dazed and detached when the mother leaves the room and remains fearful upon her return.