For infants who are born before the 25th week after gestation, their chance of survival is ____
a. 25%
b. 50%
c. 75%
d. 100%
B
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An electroencephalograph is a device that measures
a. glucose metabolism in the brain. b. muscle tension in the body. c. respiration rates as an index of arousal. d. electrical activity of the brain.
A sample of 100 people is classified by gender (male/female) and by whether they are registered voters. The sample consists of 80 females and 20 males, and has a total of 60 registered voters. If these data were used for a chi-square test for independence, what is the expected frequency for males who are registered voters?
a. 12 b. 20 c. 40 d. Cannot determine without additional information
The study of the structure and function of information-processing systems is _____.
a. attribution b. cybernetics c. cognitive science d. theoretical linguistics
Sal's ideas about germs and contamination make life very difficult. He eats little and is underweight. He won't go out in public, which cost him his job and friends. Sal's behavior would be considered abnormal based on:
a. statistical deviance b. personal distress c. cultural deviance d. dysfunction