Webinar: Supporting Numerical Superiority Claims

Completed webinar - Recording available for purchase
Duration: Approximately 75 minutes

Taught by: Dr. Daniel Ennis and Dr. Benoît Rousseau

Numerical superiority claims such as “2 out of 3” or “3 out of 5 people prefer…” are powerful and commonly used to promote products. Sometimes these claims involve performance numbers based simply on the actual results of the experiments. These cases raise a number of issues in using sample data to support advertising claims. One issue is whether it is justified to report sample data results in a claim where clearly the advertiser does not wish to limit the message to particular consumers tested on a particular occasion. A second issue is whether there should be consistency in the application of statistical principles to superiority tests that are not numerical and those that are. In this webinar we discuss these issues from practical and theoretical viewpoints.

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