An opinion poll, sometimes simply referred to as a poll, is a survey of public opinion from a particular sample. Opinion polls are usually designed to represent the opinions of a population by conducting a series of questions and then extrapolating generalities in ratio or within confidence intervals (Wikipedia).
The Roper Center provides free access to a tutorial that presents the fundamentals of public opinion polling:
The resources on this page represent just a few of the many available resources available. For additional resources, please viist the following related guides: