They tested subjects individually for perception and speed.

They also plan to test preschool children and subjects with and without musical training.

Shriver surveyed a 3,000-person sample from 25 locations in the United States and tested subjects for genetic make-up.

At that time, C.S. Meyers tested Japanese subjects and proved that the Asians were slower in reaction time than Europeans.

Which is why Ms. Wax always tests prospective subjects in pre-interview telephone calls and insists on face-to-face meetings before shooting begins.

Dr. Julie Fiez, a postdoctoral student at Washington University, used positron emission tomography, or PET, scans, to test normal subjects on a language task.

Montano et al. (2011) only found one out of 505 tested African subjects who was U175 positive but negative for U209.

The study also tested males and blue-eyed subjects, however the results were not statistically significant (probably due to a smaller sample size of those test subjects).

A 1997 study tested subjects on their interrogative recall and narrative recall regarding a young white woman (who later played either the victim or the culprit) with whom they had interacted around two minutes prior.

GLaDOS remain driven to test human subjects despite the lack of humans.