The idea of sampling is not hard to grasp, but methodological discussions about sampling can quickly move into the higher reaches of mathematics and probability that confuse even researchers who are not statisticians. Ever wonder what we are talking about when we refer to “probability samples?” Or the rationale for not reporting margins of error? …
This article has been updated. Please see A Better Way to Get Census Data.
Mistakes to Avoid when Conducting a Public Relations Survey Surveys and polls can be powerful tools to understand what people are thinking and doing, and they can provide good data for public relations efforts and community outreach. Unfortunately they can also be gimmicks, which erodes trust in polling and in the organizations sponsoring them.