Analysis of data derived from an earlier study of Japanese-English interlanguage shows that discourse-pragmatic markedness conditions on the subject position combine with central aspects of a configurational syntax in the generation of sentential forms, creating a module interface distinct from the native or second language. (38 references)…

A review of research about second language learning indicates that nonprimary acquisition is sensitive to the center-periphery distinction. There is clear evidence that this construct has reflexes in interlanguage word order with respect to the probability of native word order influence, difficulty, and order of emergence. (CB)