Expertise
Cognitive development (memory, logic, reasoning, information processing); Language development (complex sentence structures, psychological processes underlying language production, effect of language on thinking.
Cognitive develpment--(1) development of metacogntion in problem solving situations(2) cross-cultural differences in children's logical reasoning (3) knowledge transfer in children's scientific learning (4) self-regulated learning in childhood
Psycholinguistics--(1) complex sentence structure and its relation to cognition (2) language structure influences on thinking processes(3)analysis of language use during logical reasoning.