The present study examined second language (L2) development in the perceptual identification of a dialectal sound of the target language, through an investigation of the role of individual learner experiences in L2 phonological development. A total of 213 English-speaking learners of Spanish across five levels of study and with varying dialect contact experiences completed an identification task, which tested perceptual categorization of Spanish dialectal aspirated-s (e.g., siesta [ˈsi̯eh-ta]). In accordance with postulates of L2 speech perception models (PAM-L2, SLM, L2LP), findings revealed influence of the first language phonology on categorization at early levels shifting toward nativelike, dialect-specific categorizations of aspirated-s for more experienced learners. Dialect contact factors of prior study abroad location, native speaker social contacts, and metalinguistic training were found to be predictors of the dialectal perceptual targets toward which the L2 learners developed—for those learners past intermediate-level language courses—highlighting how individual experiences shape L2 perceptual abilities.

Spanish is described as having an /s/ regressive voicing assimilation process by which the sibilant is voiced when followed by a voiced consonant. However, experimental studies documenting the nature of the process – including variation in its realization across speech varieties – are limited. The current study presents an acoustic analysis of the phonetic nature of the process, including an analysis of the linguistic and social factors which influence voicing of the /s/. Using an identical controlled phrase elicitation task, rates and location of voicing within the /s/ segment were compared across three varieties of Spanish: Mexican Spanish (Mexico City) and two Peninsular varieties (León and Vitoria). Different voicing rates and different linguistic voicing predictors were found across dialects. The data suggest that /s/ voicing before a voiced consonant is far from a categorical process in Spanish, with variable rates of application between 43% and 63%. We propose that, based on the data, /s/ voicing in Spanish is, in fact, better understood as a progressive voicing process (i. e. continuation of voicing from the previous vowel), and that the linguistic factors that condition voicing can be explained in part through articulatory and aerodynamic mechanisms. We also discuss the phonetics and phonology of the process.

This study examines how language attitudes play a role in the adoption of dialectal variants in second language (L2) pronunciation in a study abroad context. Twenty‐four North American university students participating in a 6‐week program in Buenos Aires, Argentina, were administered pre and posttest questionnaires and a posttest oral production task to determine how different background and attitudinal variables relate to production of two Argentine dialectal sounds, lenited‐/s/ and assibilated pre‐palatal /ʃ ʒ/. Results show that though students did not produce lenited‐/s/ forms, use of dialectal /ʃ ʒ/ phones by the end of the program was high—but variable—across individuals. Dialect preference, feelings toward Spanish, and desire to sound native‐like were identified as predictors of use of dialectal /ʃ ʒ/. These findings illustrate how social variables play a role in target model accent preferences and adoption of dialectal sounds in L2 pronunciation in a study abroad context.

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In face-to-face spoken interactions, language learners must construct a meaningful message consistent with the L2 grammar, articulate it comprehensibly, and manage the aspects of oral communication that reflect speaker identity, interlocutor identities, and the characteristics of the interactional context. A lack of sociolinguistic competence can lead to a failure to convey formality, politeness, solidarity, friendship, and group membership, and this will negatively affect the communicative outcome. The current chapter examines the social and situational information one conveys through linguistic variants in speech, offering a state-of-the-art account of empirical research, including a discussion of pressing issues in the field, such as the roles of lexical frequency, geographic variation, and language attitudes, as well as the pedagogical implications of this research.