Research suggests that the size of next vocabulary (L2) vowel index according to the fresh native (L1) list make a difference to the discrimination and you may purchase of L2 vowels. Varieties of low-indigenous and you will L2 vowel effect identify one to naive listeners’ non-local and you can L2 perceptual patterns is generally predict because of the relationships when you look at the vowel catalog dimensions amongst the L1 and L2. Particularly, with an inferior L1 vowel list versus L2 impedes L2 vowel chilean marriage dating impression, and then have a larger you to tend to facilitates they. not, another Language Linguistic Impact (L2LP) model specifies that it’s the newest L1–L2 acoustic matchmaking one to expect non-indigenous and L2 vowel feeling, no matter L1 vowel index. To check the effects away from vowel list size against. acoustic features into the low-local vowel effect, i opposed XAB discrimination and you will categorization of five Dutch vowel contrasts ranging from monolinguals whose L1 consists of much more (Australian English) or a lot fewer (Peruvian Foreign-language) vowels than Dutch. Zero aftereffect of words history is receive, recommending that L1 inventory size by yourself don’t account fully for performance. Rather, participants both in language organizations was way more direct within the discriminating contrasts that were forecast becoming perceptually simple according to L1–L2 acoustic dating, and you will was indeed smaller accurate to own contrasts likewise predicted to-be tough.