What is the range of the following numbers: 10, 7, 7, 5, 8, 3, 4, 2?
A) 5.75
B) 7
C) 8
D) 6
C
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What reason might Noam Chomsky give to explain why it is so difficult to teach language to animals?
a. Most animals do not live long enough to acquire language. b. Animals are not born with a universal grammar. c. Only humans are capable of communication. d. Animals have their own languages and do not want to learn ours.
A disadvantage of cross-sectional research is
A. the variable under investigation is assessed all at the same time. B. it is time-consuming and expensive to conduct. C. it gives no information about how individuals change over time. D. it is not very effective.
Smooth pursuit eye movements allow the eyes to ______.
A. detect hidden objects in camouflage B. accommodate on nearby objects C. adjust to varying light levels D. track moving objects
__________ cause(s) more sickness and death than __________.
A. Illicit drugs; tobacco and alcohol combined B. Cocaine; alcohol C. Alcohol and tobacco; cocaine, marijuana, and heroin combined D. Heroin; all other drugs combined