Based on the Self-organizing Model of Bilingual Processing (SOMBIP) proposed by Li & Farkas (2002), this paper has aimed at exploring whether L2 mental lexicon undergoes a reorganizational process through word association tests on learners of different language proficiency. The results show that response types vary greatly among the three groups. Of all the responses elicited among beginners, responses of non-relationship type and phonological type take up the leading part. As to the responses made by inter...
