Getting the Most from Online Surveys

Getting the Most from Online Surveys By Kathleen Hoffman, PhD, MSPH Do you wonder about online surveys? Are they reliable? Is there bias? A recent article by the Pew Research Center For Weighting Online Opt-In Samples, What Matters Most? 1provides guidance to allay those concerns. Pew experimented with different procedures for weighting results from surveys with online opt-in samples to discover which techniques best reduced bias on estimates. They compared online results with the results given for 24 benchmark questions drawn from “high-quality federal surveys,” public surveys that were conducted using more traditional methods. This was [...]