As a result of voluntary birth control, the population of the United States has
a. increased rapidly in recent years
b. stabilized, with only a moderate increase due to immigration
c. declined rapidly in recent years
d. not changed since the end of World War II
b
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The best way to get a preschooler to stop doing something may be to
a. punish her by taking away toys. b. reward her with a cookie. c. ignore her. d. involve her in doing something else.
The two hemispheres of the brain sometimes perform different tasks (lateral dominance). However, information is passed back and forth between hemispheres so that the brain can function as a whole. This interhemispheric communication depends on the ____.?
a. ?association cortex b. ?thalamus c. ?somatosensory cortex d. ?corpus callosum
A graphical representation of a frequency distribution in which vertical bars centered above scores on the x-axis touch each other is a _____
a. histogram b. bar graph c. pie graph d. frequency polygon
At the end of the preschool period, five- to six-year olds
a. know fewer words than adults but understand most of the grammatical rules of their language. b. demonstrate significant articulation errors. c. require schooling in order to learn proper syntax. d. rely on phrases to communicate their basic needs.