The English of two Japanese boys acquiring English in a natural setting was observed over five months. The analysis and comparison of their language to first language acquisition data showed a striking similarity. There was no clear evidence of transfer from the mother tongue. (Author/RM)

Recent research indicates that interaction patterns between parent and child change according to the increasing language skill of the child. These patterns are linguistically summarized here. All are correlated with the child's age, but many relationships are still unexplored. (Author/KM)