Why Participate on a Research Study?

Earn Extra Money Everyone wants to make a little extra money. Participating on a study is an easy way to make some extra money to help supplement your income or pay off debt. Our studies pay anywhere from $75 to $1000. Contribute to Research and Give your Opinion We...

International Studies: Why and How?

With the ethnically and racially diverse subject population available at Stephens’ US testing facilities in Texas and Arizona, why would some companies choose to test their cosmetic and consumer-care products in other countries? The answers are as diverse as the...

Blue-Light Blues

Blue light is also called high-energy visible light (HEV), as it has the shortest wavelength in the visible light spectrum and thus the highest energy. We are exposed to blue light from both natural sunlight and artificial sources such as fluorescent lights, computer...

Claim Substantiation: Trendy Claims

If you are not sure how to substantiate your product claim, ask Stephens & Associates. We have 30 years of experience with proven testing methods and state-of-the-art equipment that may match your requirements.  Additionally, we develop new methods, such as our...