Research interests center on the intelligent use of technology to better train and assess knowledge and skills. Have experience conducting cost-effectiveness studies of simulation training systems; conducting expertise, linguistic codability, and mental modeling studies; investigating adaptive intelligent tutoring; and investigating visual analytics and representation. Have applied research results to such everyday and specialized domains as medical informed consent, clinical assessment of social and interpersonal skills, consumer decision making, law enforcement interactions, and survey nonresponse. On all projects, oversee design, development, and testing of interactive tools and techniques, keeping in mind the different intended audiences, to ensure reliability, functionality, engagement, and usability.