It is obviously important for us to monitor which illicit drugs are widely used and whether their use is increasing or decreasing. Describe the most important sources of information we have about drug use in the United States and the major limitations of that kind of information
What will be an ideal response?
The Monitoring the Future study (large annual survey conducted in schools) and the National Survey on Drug Use and Health (household survey). Limitations are possible sample bias (those most at risk are less likely to be sampled), and uncertainty about the honesty of people's responses. Bonus: in spite of these limitations, year-by-year comparisons are useful for spotting increases or decreases.
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Suppose that some research participants are asked to remember a story. Furthermore, this story contains some particularly vivid and surprising material that is not consistent with a standard schema. The participants would be most likely
a. to show spreading activation to schema-inconsistent material. b. to emphasize prototypical information. c. to prefer scripts to schemas. d. to recall the schema-inconsistent material.
Regarding the world's population and other human influences on the natural environment, which of the following statements is FALSE?
a. The world's population is now more than 10 billion people and may exceed 25 billion by 2080. b. By burning fossil fuels, destroying forests, and stripping the land, humans actually have altered natural cycles and animal populations. c. Our exposure to toxic hazards, such as radiation, pesticides, and industrial chemicals, has led to an elevated risk of physical and mental disease. d. Some experts believe that we have already exceeded the number of people the earth can sustain indefinitely.