> I'm not an expert either in statistics or in polling Fortunately for us, the author is :) The author has an outline available for a course on survey samplin

> I'm not an expert either in statistics or in polling Fortunately for us, the author is :) The author has an outline available for a course on survey sampling for those interested in references and topics to learn more. http://www.stat.columbia.edu/~gelman/surveys.course/surveys_course_outline.pdf http://www.stat.columbia.edu/~gelman/surveys.course/surveys_...