Caffeine produces its effects by directly influencing the functioning of the __________
A) peripheral nervous system
B) lymphatic nervous system
C) central nervous system
D) somatic nervous system
Answer: C
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A sample of n = 16 scores is selected from a population with ? = 80 with ? = 20 . On average, how much error would be expected between the sample mean and the population mean?
a. 20 points c. 4 points b. 5 points d. 1.25 points
The distinction between natural-use traces and controlled-use traces is similar to the distinction between
A. correlations and spurious relationships. B. observations without intervention and observations with intervention. C. qualitative analysis and quantitative analysis. D. physical traces and archival records.
Tamara complains that her husband can actually sleep anywhere and anytime. He can sleep for more than 10 hours a day, notwithstanding the fact that he even dozes off during meals and in the middle of conversations. If Tamara's husband visits the doctor, the doctor is most likely to diagnose his problem as ______.
A) hypersomnia B) insomnia C) cataplexy D) somnambulism
Cindy, a six-year-old girl, is playing with plastic cubes like the rest of the children in her class. In the class, everyone has their individual set of cubes and individual figures to construct. Cindy, however, interacts with her friend to understand how to stack the plastic cubes so that she can construct her own model. In this scenario, Cindy is engaged in _____.
A. onlooker play B. solitary play C. associative play D. unoccupied play