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CorbinPartners releases updated guidelines for survey sampling

Consumer surveys have long been relied upon as a tool of expert evidence. To ensure the reliability of survey evidence, one must ensure a sample that is defensibly close to being random and representative, and a sample size to achieve as small a margin of error as possible.  To assist in this endeavor, CorbinPartners has assembled guidelines from different published authorities on sample size, margin of error and confidence level, and geographic distribution.  Click here to view the document.