How Do We Know If an Emergency Alert Actually Works? | The Science of Warning Messages

The Alerting Authority · Sep 17, 2026 · 52m · transcript

How do we actually know whether an emergency alert works?

In Part 1 of this special two-part episode of The Alerting Authority, Dr. Jeannette Sutton and Eddie Bertola are joined by research scientist Dr. Hugh Walpole for a deep dive into the science behind emergency warning research.

Hugh breaks down qualitative vs. quantitative research, experiments, representative sampling, risk perception, and how researchers determine whether changes to an emergency message actually make a difference.

But the conversation leads to an even bigger question: Should the success of an emergency alert really be…