His research interests revolve around psychometrics in general, focusing on performance validity testing in neuropsychological assessment specifically, as well as the relationship between cognitive and emotional functioning. He is also interested in the broader issue of instrumentation artifacts in psychological assessment: the interaction among administration time, order effects, testing paradigms, and their effect on the test performance. His emerging line of research is on cross-cultural neuropsychology, investigating the cognitive profiles associated with limited English proficiency.
