Changes

===Opinion Polls ===

===Opinion Polls ===

Opinion Polls are survey research <ref> http://www.galluppoll.com/help/faq.aspx?ID=249 </ref> of [[public opinion]] and aspirations <ref> http://www.galluppoll.com/help/faq.aspx?ID=423 </ref> using probability sampling. "Probability sampling is the fundamental basis for all survey research. The basic principle: a randomly selected, small percent of a population of people <i>can</i> represent the attitudes, opinions or projected behavior of all the people, if the sample is selected correctly." The purpose: "The fundamental goal of a survey is to come up with the same result that would have been obtained had every single member of a population been interviewed." <ref> http://media.gallup.com/PDF/FAQ/HowArePolls.pdf </ref>

Opinion Polls are survey research <ref> http://www.galluppoll.com/help/faq.aspx?ID=249 </ref> of [[public opinion]] and aspirations <ref> http://www.galluppoll.com/help/faq.aspx?ID=423 </ref> using probability sampling. "Probability sampling is the fundamental basis for all survey research. The basic principle: a randomly selected, small percent of a population of people <i>can</i> represent the attitudes, opinions or projected behavior of all the people, if the sample is selected correctly." The purpose: "The fundamental goal of a survey is to come up with the same result that would have been obtained had every single member of a population been interviewed." <ref> http://media.gallup.com/PDF/FAQ/HowArePolls.pdf </ref>