Note: This report was updated on Dec. 30, 2015 to reflect the January-July 2015 National Health Interview Survey estimates released on December 1, 2015. Telephone surveys face numerous challenges, but ...

A new telephone survey experiment finds that, despite major structural differences, an opinion poll drawn from a commercial voter file can produce results similar to those from a sample based on ...

Consumers love free samples. And while retailers and manufacturers recognize sampling as an important marketing strategy, until now few understood sampling’s effectiveness. PromoWorks commissioned an ...

Passive sampling has emerged as an indispensable tool for monitoring hydrophobic organic contaminants (HOCs) in diverse environmental media. By employing polymer-based materials, researchers are able ...

verybody has a favorite color and season—preferences that seem innate, always defying reason. Auditors are no different when it comes to haphazard sampling, a process in which—ideally—they choose ...

It would be intuitive to think that companies in the business of providing product samples to consumers on behalf of consumer brands and retailers would have been largely upended by the Covid pandemic ...

We can all agree that there are few marketing techniques older than sampling. Distributing samples has always been an incredibly effective way for brands to convert new customers and gain attention in ...

Please read the following guidelines before requesting a destructive sampling loan. Permission must be granted to perform any type of destructive or invasive sampling on UCM specimens. The term ...