Veridical Research and Design Corporation is human factors consulting firm providing basic and applied research in vision and memory, human-computer interaction design, and usability engineering services. The company specializes in visual perception and cognition, with an emphasis in credibility assessment, visual search, color and texture perception, attention and the use of ocular measurement technologies. The firmâs research and experimental design methods employ psychophysical and psychophysiological techniques for laboratory and field evaluation of human performance-based systems, as well as for development of deployable prototype systems. The firmâs services include detailed user analyses, which are used to develop software and web designs in storyboards and rapid prototypes, as well as human performance models of workload. They also perform quantitative and qualitative usability evaluations of existing systems and provide detailed analyses of design issues that lead to significant increases in user performance and satisfacti