What percent of the current world's population lives in the most affluent countries?

a. 18%
b. 34%
c. 51%
d. 68%


Answer: A

Psychology

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Approximately how many children were hospitalized because of shaken baby syndrome in the U.S. in 2004?

one in five two in five one in ten one in fifteen

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Background noise that affects cognition in the elderly is referred to as ______

Fill in the blank with correct word

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Loss of the peripheral cells of the retina would produce which of the following?

A. improved sight under dim conditions B. poor vision under dim lighting conditions C. poorer discrimination of colors D. improved ability to track movement

Psychology

A strength of field experiments is that the results are more likely to be representative of behavior in real-world settings than results obtained in a laboratory

Indicate whether the statement is true or false

Psychology