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. Dr. Wolf wants to understand about the drug use of American women. She will study a sample of this population. Which best describes a representative sample of this population?

All female students in her class who were born in the United States correct incorrect

All female readers of Time magazine correct incorrect

A group of women that represents the race, age, religion distribution of American women correct incorrect

All American women correct incorrect

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. Dr. Kinsey is studying the effect of marijuana on cognition. He wants to see the relationship between marijuana and the ability to solve math problems. One hundred and fifty male volunteer participants come to the laboratory. Half of them smoke a joint. The other half smoke a clove cigarette. Participants don't know which they are smoking. Twenty minutes later, they are brought into a room and take a math test. Which part of this experiment represents the control?

Smoking marijuana correct incorrect

Smoking clove cigarettes correct incorrect

The FDA guidelines regarding marijuana use in research correct incorrect

That the subjects are male correct incorrect

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. Which visualization technique is being described? This is an X-ray that rotates around the head, to generate a cross section image of the brain. It shows only the structure of the brain, not the function.

EEG correct incorrect

MRI correct incorrect

CT scan correct incorrect

PET scan correct incorrect

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. Which of the following is not true of external validity?

The higher the external validity, the more generalizable the findings are correct incorrect

A measure of how well the findings apply to other settings correct incorrect

An experiment that is successfully replicated correct incorrect

The degree to which one can be confident that the independent variable caused the change correct incorrect

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. Which of the following is NOT required in a direct-to-consumer drug ad?

The drug's actions correct incorrect

The drug's potential adverse effects correct incorrect

What the drug should be used for correct incorrect

Any outstanding legal cases against the drug correct incorrect

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. A sample in which participants volunteer to take part in the study is called a self-selection sample

a)True correct incorrect

b)False correct incorrect

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. Larger samples are always better than smaller samples

a)True correct incorrect

b)False correct incorrect

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. If a tobacco company wanted to ascertain the effectiveness of a media campaign for smokeless tobacco, a representative sample would be their most cost-efficient choice

a)True correct incorrect

b)False correct incorrect

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. "Informed consent" is a process by which a research participant confirms his or her willingness to participate after being told what to expect from the procedure and how the information will be used

a)True correct incorrect

b)False correct incorrect

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. 10. When testing a new drug, a placebo may act as the control

a)True correct incorrect

b)False correct incorrect

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. The Monitoring the Future survey measures alcohol, tobacco, and drug use among 8th, 10th, and 12th grade students

a)True correct incorrect

b)False correct incorrect

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. In a PET scan, a radioactive substance is injected into the brain to show metabolically active areas

a)True correct incorrect

b)False correct incorrect

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. 13. An EEG is the best imaging technique for measuring sleep states

a)True correct incorrect

b)False correct incorrect

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. Compared to pay channels, network television is more likely to show extremes in drug and alcohol portrayals

a)True correct incorrect

b)False correct incorrect

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. In direct-to-consumer ads, pharmaceutical companies market their products directly to patients rather than to health care professionals

a)True correct incorrect

b)False correct incorrect