Not only does this merchandise data further verify the extreme fan avidity of SEC followers compared to other conferences, but it also demonstrates how a championship can impact short term avidity.

FORBES: Merchandise Sales Reflect Enormous Fan Avidity for Texas, SEC Schools

With that subsection removed, use of E-Verify data for new federal purposes is almost assured.

FORBES: New Immigration Measure Means Expanded Government Reach

The union also seeks to independently examine and verify data and studies conducted by WADA. WADA has declined to share the requested information, worried that they would be providing a blueprint to help athletes evade detection.

FORBES: HGH Testing In The NFL: League Says Go, But Union's Got Cold Feet

Parents can remove the chip, download its data to a computer and use the information to verify driving agreements with their teens.

CNN: Technology's next frontier: In-car computing

So Bruce Dohrenwend, the researcher in New York, went and found what he called a gold mine of data, actual combat records that allowed him to verify the claims of a sample of 260 veterans in the original study.

NPR: Study Tracks Stress Disorder Among Vietnam Vets

So when it comes to estimating economic impact for sporting events, best to show caution and restraint, and ultimately attempt to verify any public statements with market research vis-a-vis on-site data collection so that you have a leg to stand on when reporting such figures.

FORBES: Educating Sports Commissions and CVBs About the Economic Impact of Sports