Whether you are a political junkie or not, recent articles and analysis about mobile phones as part of data collection should be of interest to those who design or commission survey research. Cost, bias, and predictability are key issues. In years gone by, cell phone users were rarely included in surveys. There was uncertainty about [Read More]
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Why you should run statistical tests
A recent article in the Seattle Times covering a poll by Elway Research gives me an opportunity to discuss statistical testing. The description of the methodology indicates, as I’d expect, that the poll was conducted properly to achieve a representative sample: About the poll: Telephone interviews were conducted by live, professional interviewers with 405 voters [Read More]