This study examines how dominance and proficiency relate to Spanish heritage speaker vowel productions. Participants' normalized vowel measurements were compared to nonheritage native speakers of Spanish and English using the Pillai score, an output of Multivariate Analysis of Variances (MANOVAs) that allows comparisons across distributions of two…

Studies assessing the grammatical knowledge of speakers of Spanish as a heritage language have largely focused on the Spanish subjunctive mood and have concluded, almost unanimously, that heritage speakers' knowledge of the Spanish subjunctive is non-native-like and subject to incomplete acquisition. However, there is also evidence that while…