We compare the extent to which Spanish heritage speakers and long-term immigrants in the United States differ in their intonation of broad focus declaratives, and propose that the between-group variability is motivated by the specific language learning/literacy conditions of each group. Results from a phonetically balanced reading task and an elicited narrative revealed significant differences between the two groups in their realization of pitch accents in read speech but not in the narratives. These results suggest that less-controlled tasks are more representative of the bilingual status of adult bilinguals, and that metalinguistic tasks, such as reading aloud, should be implemented with caution, crucially among Spanish heritage speakers who are in a semi-diglossic situation in the United States.

Does bilingual language influence in the domain of phonetics impact the morphosyntactic domain? Spanish gender is encoded by word-final, unstressed vowels (/a e o/), which may diphthongize in word-boundary vowel sequences. English neutralizes unstressed final vowels and separates across-word vocalic sequences. The realization of gender vowels as schwa, due to cross-linguistic influence, may remain undetected if not directly analyzed. To explore the potential over-reporting of gender accuracy, we conducted parallel phonetic and morphosyntactic analyses of read and semi-spontaneous speech produced by 11 Monolingual speakers and 13 Early and 13 Late Spanish-English bilinguals. F1 and F2 values were extracted at five points for all word-final unstressed vowels and vowel sequences. All determiner phrases (DPs) from narratives were coded for morphological and contextual parameters. Early bilinguals exhibited clear patterns of vowel centralization and higher rates of hiatuses than the other groups. However, the morphological analysis yielded very few errors. A follow-up integrated analysis revealed that /a and o/ were realized as centralized vowels, particularly with [+Animate] nouns. We propose that bilinguals’ schwa-like realizations can be over-interpreted as target Spanish vowels. Such variable vowel realization may be a factor in the vulnerability to attrition in gender marking in Spanish as a heritage language.

This study explores the perception of consonantal and vocalic contrasts in two groups of Spanish-English bilingual speakers: heritage speakers and long-term immigrants. We test the discrimination of Spanish stops and mid and high vowels via an AX discrimination task with natural stimuli consisting of real Spanish words. Overall, results revealed no significant differences between heritage speakers and long-term immigrants in their discrimination of Spanish stops and vowels. Both groups were more accurate in their discrimination of vowels than of consonants. As for the discrimination of stops, positional and place effects were observed; i.e. a higher proportion of errors was found in word-initial position and with dorsals. We argue that contact with English does not necessarily affect the discrimination of the Spanish contrasts. Implications of these results for maturational approaches to final L2 attainment are discussed.

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Rhotic assibilation is a common sociolinguistic variable observed in different Spanish speaking countries such as Argentina, Ecuador, and México. Previous studies reported that rhotic assibilation alternates with the flap and/or with the trill. In this study, we explore three aspects of rhotic assibilation in the Spanish of the state of Chihuahua, Mexico/El Paso, TX, United States: (1) Its diachronic development; (2) the linguistic and social factors that affect this variation and; (3) the possible effect of contact with English in this variable. Fifty-eight participants, including Spanish monolingual and Spanish-English bilingual subjects, performed one formal and two semi-informal speech production tasks. Acoustic and perceptual analysis of the tokens showed that the variation is not binary (standard vs. non-standard variant), but that it includes other rhotic variants with varying degrees of frication. Variation is restricted to phrase-final position and heavily favored by preceding front vowels (/e/ and /i/). These effects have a clear aerodynamic and articulatory motivation. Rhotic assibilation is not receding, as previously reported. It continues to be a prestigious variable prevalent amongst females, but also present in male speakers. The comparison between bilingual and monolingual speakers shows that contact with English does not significantly affect the occurrence of assibilation.