Predicting the emergence of content words in L2 diary entries during study abroad over a year

This case study examined a diary written by a Japanese senior high school student while he was studying abroad in the US for a year. His writings exhibited two types of texts throughout the year: code-mixed texts, in which a mixture of Japanese and English is used, and code-switched texts, in which only English is used, in a single sentence. The diary was examined to identify to what extent the emergence of content words under spontaneous...