The Center for the Study of Human Operator Performance (C-SHOP) is an established multi-disciplinary research center at the University of Oklahoma that focuses on the development and application of computer-based test systems for assessing human performance capability across a broad range of military, industrial, educational, and medical applications. C-SHOP is one of the nation's premier sites for developing advanced computer-based testing technology and for conducting research exploring the limits of human cognitive and neuropsychological function. It is the only center in the nation that focuses on the critical requirements for human cognitive performance assessment test systems through the simultaneous coordination of high-level research, test development, quality assurance assessment, and clearinghouse/ coordination activities related to computer-based testing technologies.