What is public opinion,and why is so much time and effort spent on measuring it in the United States? What techniques are used to obtain an accurate reading of public opinion? Are public opinion poll results generally accurate? Explain.

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The Answer of What is public opinion,and why is so much time and effort spent on measuring it in the United States? What techniques are used to obtain an accurate reading of public opinion? Are public opinion poll results generally accurate? Explain.

What Is Public Opinion,and Why Is So Much Time and Effort