Children who spend __________ a week in group child care for a year or more have a(n) __________ probability of being disruptive in class, and this effect continues through the sixth grade.
A. 30 hours or more; decreased
B. 25 hours or more; decreased
C. 10 hours or more; increased
D. 15 hours or more; increased
Answer: C
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A meta-analysis of 50 studies (Hill & Tyson, 2009) indicates that the most important way parents can help their children in school is through
a. home-based involvement such as helping children with homework. b. school-based involvement such as parents volunteering at school. c. academic socialization in which parents convey to children the value of education. d. enrolling them in the most expensive school possible.
Studies that followed early and late maturers into adulthood have found:
A. the differences between early- and late-maturing boys and girls increase with age B. the differences between early- and late-maturing boys increase with age, while the differences between early- and late-maturing girls decrease with age C. the differences between early- and late-maturing girls increase with age, while the differences between early- and late-maturing boys decrease with age D. the differences between early- and late-maturing boys and early- and late-maturing girls both decrease with age
In the United States, about ____ out of every 1,000 adolescents dies each year
a. 1 b. 5 c. 10 d. 25
Which one of the following statements about the polygraph is FALSE?
a. There is no scientific evidence that a specific “lie response” exists. b. Polygraph interpreters and users may be making the “Othello error.” c. The major drawback to using polygraphs is that they generate a high rate of false positives. d. The general discomfort and nervousness measured by the polygraph indicates that the person is hiding something.