This dissertation developed a new learner corpus of Japanese and introduced an error and linguistic annotation scheme specifically designed for Japanese particles. The corpus contains texts written by learners who are in the first year to fourth year university level Japanese courses. The texts in the corpus were tagged with part-of-speech and…

When acquiring a second language, learners must become able to perceive the difference between novel sounds ("discrimination") and also associate strings of sounds with distinct vocabulary items ("lexical encoding"). Recent research has questioned whether discrimination is a sufficient or necessary condition for encoding, and…

This paper adopts the activation spreading theory to explore how lexical items are accessed. Approximately 3300 errors from both public sources and ordinary conversation in Japanese are analyzed. Analyses suggest that there are two types of environment in which contextual lexical errors occur, and that these two types of environment correspond to…