A researcher discovers two drugs that lower anxiety in agitated patients

However, one drug consistently lowers anxiety by moderate amounts, whereas the second sometimes lowers it by large amounts, sometimes has no effect, or may even increase anxiety in some patients. Although there is not an overall difference in the average (mean) amount of anxiety reduction, an important difference does exist between the two drugs. This difference would best be shown by using
a. measures of central tendency.
b. measures of variability.
c. frequency distributions and correlations.
d. graphical statistics.


ANSWER: b

Psychology

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Older children know more than younger children, which expands their ____ to improve their memory

a. working memory capacity b. memory strategies c. knowledge base d. metamemory

Psychology

Jim tosses a newly purchased felt mouse across the floor. His cat chases it excitedly, clutches it in its paws, and rolls around with it. Several tosses later, his cat yawns pointedly and settles for a nap. The change in his cat's behavior most likely illustrates

A. habituation. B. maturation. C. adaptation D. conditioning.

Psychology

Quantitative analysis of modern electroencephalography (EEG) recordings can be used to

A. construct 3-D maps of brain activity. B. generate high resolution images of brain structures. C. identify the neurochemicals active in particular parts of the brain. D. track the utilization of glucose and oxygen by the brain.

Psychology

Which one of the following resources with professional practice standards would you need to purchase because the resource is not freely available on the Internet?

a. Code of Fair Testing Practices in Education b. Ethical Principles of Psychologists and Code of Conduct c. Standards for Educational and Psychological Testing d. Principles for the Validation and Use of Personnel Selection Procedures

Psychology