Regarding current sexual trends among young people, which of the following statements is FALSE?
a. Oral sex is seen by young people as less risky, more acceptable, and "not a big deal.".
b. The chances of getting a sexually transmitted disease through oral sex are practically nil
c. Casual sex is usually associated with alcohol use and unsafe sexual behaviors, such asunprotected sex.
d. One study found that 20 percent of American ninth graders have already had oral sexand more than 30 percent intend to try it soon.
B
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To discover whether residents of a city are in favor of building a new sports stadium, the team's owner randomly selected and interviewed 500 of the city's 500,000 residents. In this instance, the 500 people that the owner interviewed would be
a. a biased sample. b. a population. c. the dependent variable. d. a representative sample.
Research indicates that when people are setting goals, they tend to think in a(n) ____ way, and when they are pursuing or striving for goals, they to think in a(n) ____ way
a. realistic; realistic b. realistic; optimistic c. optimistic; realistic d. optimistic; optimistic
Define and explain confounding variables.
What will be an ideal response?
Christina suspects that her seven-year-old son has ADHD. If she wants to avoid the possibility of a false diagnosis, she should visit a doctor who
A. performs genetic tests to assess whether genes linked to ADHD are present. B. evaluates whether medication prescribed for ADHD suits the child's individual brain chemistry. C. distinguishes between abnormal and normal inattention and hyperactivity. D. performs brain scans to confirm ADHD based on unusually low frontal lobe activity.