He is investigating spoken language interaction from several perspectives, e.g. corpus linguistics, computer modelling of dialog, sociolinguistics and psycholinguistics as well as intercultural communication.
Increasingly, cognitive psychology, psycholinguistics, neuroscience, and neuropsychoanalysis have given reader-response critics powerful and detailed models for the aesthetic process.
He specializes in second language acquisition, which he investigates on both theoretical and practical levels, using techniques from psycholinguistics, applied linguistics, and cognitive psychology.