Correlations detect:
A) the power of a measure.
B) patterns of variation in a series of measurements.
C) patterns of selection in a varied population.
D) sources of unsystematic error in a data set.
B) patterns of variation in a series of measurements.
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Lakeisha has a snake phobia and decides to see a behavioral therapist. Her therapist suggests systematic desensitization. What is the second step Lakeisha will take in her therapy?
a. touching a snake b. looking at pictures of a snake c. learning relaxation techniques d. being in the same room as a snake e. developing a fear hierarchy for snakes
Research on the relationship between language and music has found that ____
a. people whose native language is rhythmic tend to prefer music with irregular rhythms b. trained musicians tend to be better than average at learning a second language c. we use language areas of the brain when we perform music, but not when we compose it d. Wernicke's area is strongly activated when orchestral musicians sight read music
Who would be exhibiting normal behavior under the statistical definition of abnormality??
a. ?a U.S. president (one of 43 men in history) b. ?a Nepalese speaker (approximately 30 million out of over 7 billion people on earth) c. ?a person with an IQ above 115 (almost 16% of the population) d. ?a resident of the United States with a motor vehicle (for every 1,000 residents, there are approximately 800 motor vehicles)
The defining characteristic of delirium is _____.
a. intense fear of being in public places where escape or help may not be readily available b. acute confusion characterized by disorientation and impaired attentional skills c. pervasive memory impairment and deterioration of cognitive skills required to function independently d. recalling events that did not really happen, especially when placing them in a specific period of time