References
Aldrich, A. C. (2014). Acquisition of L2 phonology: An acoustic analysis of the centralization of L2 Spanish /a/ in adult L1 English-speaking learners (Unpublished doctoral dissertation). Brigham Young University.
Alvord, S. M., & Christiansen, D. E. (2012). Factors Influencing the Acquisition of Spanish Voiced Stop Spirantization during an Extended Stay Abroad. Studies in Hispanic and Lusophone Linguistics, 5, 239–276. ![DOI logo](https://benjamins.com/logos/doi-logo.svg)
![Google Scholar](https://benjamins.com/logos/google-scholar.svg)
Avello, P. (2013). L2 phonological development in speech production during study abroad (Unpublished doctoral dissertation). University of Barcelona.
Avello, P., Mora, J. C., & Perez-Vidal, C. (2012). Perception of FA by non-native listeners in a study abroad context. Research in Language, 10(1), 63–78. ![DOI logo](https://benjamins.com/logos/doi-logo.svg)
![Google Scholar](https://benjamins.com/logos/google-scholar.svg)
Bedinghaus, R. W. (2015). The effect of exposure to phonological variation on perceptual categorization and lexical access in second language Spanish: The case of /s/-aspiration in Western Andalusian Spanish (Unpublished doctoral dissertation). Indiana University.
Boersma, P. & Weenink, D. (2022). Praat: doing phonetics by computer [Computer program]. Version 6.2.20, retrieved from [URL]
Bongiovanni, S., Long, A. Y., Solon, M., & Willis, E. (2015). The effect of short-term study abroad on second language Spanish phonetic development. Studies in Hispanic and Lusophone Linguistics, 8(2), 243. ![DOI logo](https://benjamins.com/logos/doi-logo.svg)
![Google Scholar](https://benjamins.com/logos/google-scholar.svg)
Burris, C., Vorperian, H. K., Fourakis, M., Kent, R. D., & Bolt, D. M. (2014). Quantitative and descriptive comparison of four acoustic analysis systems: Vowel measurements. Journal of Speech, Language, and Hearing Research: JSLHR, 57(1), 26–45. ![DOI logo](https://benjamins.com/logos/doi-logo.svg)
![Google Scholar](https://benjamins.com/logos/google-scholar.svg)
Casillas, J. V. (2020), The Longitudinal Development of Fine-Phonetic Detail: Stop Production in a Domestic Immersion Program. Language Learning, 70: 768–806. ![DOI logo](https://benjamins.com/logos/doi-logo.svg)
![Google Scholar](https://benjamins.com/logos/google-scholar.svg)
Colantoni, L., Steele, J., & Escudero, P. (2015). Second language speech: Theory and practice. Cambridge University Press. ![DOI logo](https://benjamins.com/logos/doi-logo.svg)
![Google Scholar](https://benjamins.com/logos/google-scholar.svg)
Craft, J. (2015). The acquisition of intonation by L2 Spanish speakers while on a six week study abroad program in Valencia, Spain (Unpublished Master’s thesis). Florida State University.
Crane, M. W. (2011). Acquisition of Spanish voiceless stops in extended stays abroad (Unpublished Master’s thesis). Brigham Young University.
Detrixhe, K. A. (2015). The effect of studying abroad on the acquisition of the Spanish trill for second language learners (Unpublished doctoral dissertation). University of Kansas.
Díaz-Campos, M. (2004). Context of learning in the acquisition of Spanish second language phonology. Studies in Second Language Acquisition, 26(2), 249–274. ![DOI logo](https://benjamins.com/logos/doi-logo.svg)
![Google Scholar](https://benjamins.com/logos/google-scholar.svg)
Díaz-Campos, M. (2006). The effect of style in second language phonology: An analysis of segmental acquisition in study abroad and regular-classroom students. In T. L. Face & C. A. Klee (Eds.), Selected proceedings of the 7th Conference on the Acquisition of Spanish and Portuguese as First and Second Languages (pp. 26–39). Cascadilla Proceedings Project.![Google Scholar](https://benjamins.com/logos/google-scholar.svg)
Freed, B. F., Segalowitz, N., & Dewey, D. (2004). Context of learning and second language fluency in French: Comparing regular classroom, study abroad, and intensive domestic immersion programs. Studies in Second Language Acquisition, 26, 275–301. ![DOI logo](https://benjamins.com/logos/doi-logo.svg)
![Google Scholar](https://benjamins.com/logos/google-scholar.svg)
George, A. (2014). Study abroad in Central Spain: The development of regional phonological features. Foreign Language Annals, 47(1), 97–114. ![DOI logo](https://benjamins.com/logos/doi-logo.svg)
![Google Scholar](https://benjamins.com/logos/google-scholar.svg)
Goss, S. J. (2015). The Effects of Internal and Experience-Based Factors on the Perception of Lexical Pitch Accent by Native and Nonnative Japanese Listeners [Doctoral dissertation, Ohio State University].
Han, J.-I., Hwang, J.-B., & Choi, T.-H. (2011). The acquisition of phonetic details: Evidence from the production of English reduced vowels by Korean learners. Second Language Research, 27(4), 535–557. ![DOI logo](https://benjamins.com/logos/doi-logo.svg)
![Google Scholar](https://benjamins.com/logos/google-scholar.svg)
Henriksen, N. C., Geeslin, K. L., & Willis, E. W. (2010). The development of L2 Spanish intonation during a study abroad immersion program in Léon, Spain: Global contours and final boundary movements. Studies in Hispanic and Lusophone Linguistics, 3(1), 113–162. ![DOI logo](https://benjamins.com/logos/doi-logo.svg)
![Google Scholar](https://benjamins.com/logos/google-scholar.svg)
Højen, A. (2003). Second language speech perception and production in adult learners before and after short-term immersion (Unpublished doctoral thesis). University of Aarhus.
Howard, M., Lemee, I., & Regan, V. (2006). The L2 acquisition of a phonological variable: The case of /l/ deletion in French. Journal of French Language Studies, 16, 1–24. ![DOI logo](https://benjamins.com/logos/doi-logo.svg)
![Google Scholar](https://benjamins.com/logos/google-scholar.svg)
Jochum, C. J. (2014). Measuring the effects of a semester abroad on students’ oral proficiency gains: A comparison of at-home and study abroad. The Interdisciplinary Journal of Study Abroad 24, 93–104. ![DOI logo](https://benjamins.com/logos/doi-logo.svg)
![Google Scholar](https://benjamins.com/logos/google-scholar.svg)
Kim, J., Dewey, D. P., Baker-Smemoe, W., Ring, S., Westover, A., & Eggett, D. L. (2015). L2 development during study abroad in China, System 55, 123–133. ![DOI logo](https://benjamins.com/logos/doi-logo.svg)
![Google Scholar](https://benjamins.com/logos/google-scholar.svg)
Knouse, S. M. (2012). The acquisition of dialectal phonemes in a study abroad context: The case of the Castilian theta. Foreign Language Annals, 45(4), 512–542. ![DOI logo](https://benjamins.com/logos/doi-logo.svg)
![Google Scholar](https://benjamins.com/logos/google-scholar.svg)
Leonard, K. R., & Shea, C. E. (2017). L2 speaking development during study abroad: Fluency, accuracy, complexity, and underlying cognitive factors. Modern Language Journal, 101, 179–193. ![DOI logo](https://benjamins.com/logos/doi-logo.svg)
![Google Scholar](https://benjamins.com/logos/google-scholar.svg)
Lisker, L., & Abramson, A. S. (1964). A cross-language study of voicing in initial stops: Acoustical measurements. Word, 20, 384–422. ![DOI logo](https://benjamins.com/logos/doi-logo.svg)
![Google Scholar](https://benjamins.com/logos/google-scholar.svg)
Llanes, A., & Muñoz, C. (2009). A short stay abroad: Does it make a difference? System, 37(3), 353–365. ![DOI logo](https://benjamins.com/logos/doi-logo.svg)
![Google Scholar](https://benjamins.com/logos/google-scholar.svg)
Llanes, A., & Serrano, R. (2011). Length of stay and study abroad: Language gains in two versus three months abroad. Revista Española de Lingüística Aplicada, 24, 95.![Google Scholar](https://benjamins.com/logos/google-scholar.svg)
Llanes, A., Mora, J. C., & Serrano, R. (2017). Differential effects of SA and intensive AH courses on teenagers’ L2 pronunciation. International Journal of Applied Linguistics, 27(2), 470–490. ![DOI logo](https://benjamins.com/logos/doi-logo.svg)
![Google Scholar](https://benjamins.com/logos/google-scholar.svg)
Long, A. Y., Solon, M., & Bongiovanni, S. (2018). Context of learning and second language development of Spanish vowels. Studies in Hispanic and Lusophone Linguistics, 11(1), 59. ![DOI logo](https://benjamins.com/logos/doi-logo.svg)
![Google Scholar](https://benjamins.com/logos/google-scholar.svg)
Lord, Gillian. (2006). Defining the indefinable: Study abroad and phonological memory abilities. In C. A. Klee & T. L. Face (Eds.), Selected proceedings of the 7th Conference on the Acquisition of Spanish and Portuguese as First and Second Languages (pp. 40–46). Cascadilla Proceedings Project.![Google Scholar](https://benjamins.com/logos/google-scholar.svg)
Lord, G. (2010). The combined effects of immersion and instruction on second language pronunciation. Foreign Language Annals, 43(3), 488–503. ![DOI logo](https://benjamins.com/logos/doi-logo.svg)
![Google Scholar](https://benjamins.com/logos/google-scholar.svg)
Martinsen, R. A. (2010). Short-term study abroad: Predicting changes in oral skills. Foreign Language Annals, 43, 504–530. ![DOI logo](https://benjamins.com/logos/doi-logo.svg)
![Google Scholar](https://benjamins.com/logos/google-scholar.svg)
Martinsen, R. A., Alvord, S. M., & Tanner, J. (2014). Perceived foreign accent: Extended stays abroad, level of instruction, and motivation. Foreign Language Annals, 47(1), 66–78. ![DOI logo](https://benjamins.com/logos/doi-logo.svg)
![Google Scholar](https://benjamins.com/logos/google-scholar.svg)
Martinsen, R. A., Baker, W., Bown, J., & Johnson, C. (2011). The benefits of living in foreign language housing: The effect of language use and second-language type on oral proficiency gains. The Modern Language Journal, 95(2), 274–290. ![DOI logo](https://benjamins.com/logos/doi-logo.svg)
![Google Scholar](https://benjamins.com/logos/google-scholar.svg)
Méndez Seijas, J. (2018). L2 Spanish intonation in a short-term SA program. In C. Sanz & A. Morales-Front (Eds.), The Routledge handbook of study abroad research and practice. Routledge. ![DOI logo](https://benjamins.com/logos/doi-logo.svg)
![Google Scholar](https://benjamins.com/logos/google-scholar.svg)
Méndez Seijas, J. (2019). Second language Spanish intonation: Systemic and realizational dimensions of its acquisition (Unpublished doctoral dissertation). Georgetown University.
Mora, J. C. (2008). Learning context effects on the acquisition of a second language phonology. In C. Pérez-Vidal, M. Juan-Garau, & A. Bel (Eds.), A portrait of the young in the new multilingual Spain (pp. 241–263). Multilingual Matters. ![DOI logo](https://benjamins.com/logos/doi-logo.svg)
![Google Scholar](https://benjamins.com/logos/google-scholar.svg)
Muñoz, C., & Llanes, À. (2014). Study abroad and changes in degree of foreign accent in children and adults. The Modern Language Journal, 98(1), 432–449. ![DOI logo](https://benjamins.com/logos/doi-logo.svg)
![Google Scholar](https://benjamins.com/logos/google-scholar.svg)
Nagle, Charlie. (2017). A Longitudinal Study of Voice Onset Time Development in L2 Spanish Stops. Applied Linguistics. 40.
.![Google Scholar](https://benjamins.com/logos/google-scholar.svg)
Nagle, C., Morales-Front, A., Moorman, C., & Sanz, C. (2016). Improvements in pronunciation during a short study abroad program. In D. M. Velliaris & D. Coleman-George (Eds.), Handbook of research on study abroad programs and outbound mobility (pp. 673–695). IGI Global. ![DOI logo](https://benjamins.com/logos/doi-logo.svg)
![Google Scholar](https://benjamins.com/logos/google-scholar.svg)
Nicholas, J. A. (2018). Social and learner-specific factors in the acquisition of nativelike phonetic contrasts by study abroad students in Paris, France (Unpublished doctoral dissertation). University of Illinois at Urbana-Champaign.
O’Brien, M. J. (2003). Longitudinal development of second language German vowels (Unpublished doctoral dissertation). University of Wisconsin.
Pope, J. (2015). Explanatory factors of the adoption of dialectal features during study abroad (Unpublished doctoral dissertation). University of Wisconsin.
Pozzi, R. (2017). The acquisition of regional features during a semester abroad in Buenos Aires, Argentina (Unpublished doctoral dissertation). University California, Davis.
Pozzi, R., & Bayley, R. (2021). The development of a regional phonological feature during a semester abroad in Argentina. Studies in Second Language Acquisition, 43(1), 109–132. ![DOI logo](https://benjamins.com/logos/doi-logo.svg)
![Google Scholar](https://benjamins.com/logos/google-scholar.svg)
Raish, M. (2015). The acquisition of an Egyptian phonological variant by U.S. students in Cairo. Foreign Language Annals, 48(2), 267–283. ![DOI logo](https://benjamins.com/logos/doi-logo.svg)
![Google Scholar](https://benjamins.com/logos/google-scholar.svg)
Ringer-Hilfinger, K. (2012). Learner acquisition of dialect variation in a study abroad context: The case of the Spanish [θ]. Foreign Language Annals, 45(3), 430–446. ![DOI logo](https://benjamins.com/logos/doi-logo.svg)
![Google Scholar](https://benjamins.com/logos/google-scholar.svg)
Rosenbaum, P. R., & Rubin, D. B. (1983). The central role of the propensity score in observational studies for causal effects, Biometrika, 70(1), 41–55. ![DOI logo](https://benjamins.com/logos/doi-logo.svg)
![Google Scholar](https://benjamins.com/logos/google-scholar.svg)
Schmidt, L. B. (2009). The effect of dialect familiarity via a study abroad experience on L2 comprehension of Spanish. In J. Collentine, M. Garcia, B. Lafford, & F. Marcos Marin (Eds.), Selected proceedings of the 11th Hispanic Linguistics Symposium (pp. 143–154). Cascadilla Proceedings Project.![Google Scholar](https://benjamins.com/logos/google-scholar.svg)
Schmidt, L. B. (2018). L2 development of perceptual categorization of dialectal sounds: A study in Spanish. Studies in Second Language Acquisition, 40(4), 857–882. ![DOI logo](https://benjamins.com/logos/doi-logo.svg)
![Google Scholar](https://benjamins.com/logos/google-scholar.svg)
Schmidt, L. B. (2020) Role of developing language attitudes in a study abroad context on adoption of dialectal pronunciations. Foreign Language Annals. 2020; 53: 785–806. ![DOI logo](https://benjamins.com/logos/doi-logo.svg)
![Google Scholar](https://benjamins.com/logos/google-scholar.svg)
Segalowitz, N., & Freed, B. F. (2004). Context, contact, and cognition in oral fluency acquisition: Learning Spanish in at home and study abroad contexts. Studies in Second Language Acquisition, 26, 173–199. ![DOI logo](https://benjamins.com/logos/doi-logo.svg)
![Google Scholar](https://benjamins.com/logos/google-scholar.svg)
Simões, A. R. (1996). Phonetics in second language acquisition: An acoustic study of fluency in adult learners of Spanish. Hispania, 79(1), 87–95. ![DOI logo](https://benjamins.com/logos/doi-logo.svg)
![Google Scholar](https://benjamins.com/logos/google-scholar.svg)
Solon, M. E., & Long, A. Y. (2018). Acquisition of phonetics and phonology abroad: What we know and how. In C. Sanz & A. Morales (Eds.), The Routledge handbook of study abroad research and practice (pp. 69–85). Routledge. ![DOI logo](https://benjamins.com/logos/doi-logo.svg)
![Google Scholar](https://benjamins.com/logos/google-scholar.svg)
Stevens, J. J. (2000). The acquisition of L2 Spanish pronunciation in a study abroad (Unpublished doctoral dissertation). University of North Carolina.
Stevens, J. J. (2011). Vowel duration in second language Spanish vowels: Study abroad versus at-home learners, Journal of Second Language Acquisition and Teaching, 18, 77–103.![Google Scholar](https://benjamins.com/logos/google-scholar.svg)
Taguchi, N., Xiao, F., & Li, S. (2016). Effects of intercultural competence and social contact on speech act production in a Chinese study abroad context. Modern Language Journal, 100(4), 775–796. ![DOI logo](https://benjamins.com/logos/doi-logo.svg)
![Google Scholar](https://benjamins.com/logos/google-scholar.svg)
Thornberry, P. A. (2014). The L2 acquisition of Buenos Aires Spanish intonation during a study abroad semester (Unpublished doctoral dissertation). University of Minnesota.
Trimble, J. C. (2013). Acquiring variable L2 Spanish intonation in a study abroad context (Unpublished doctoral dissertation). University of Minnesota.
Trofimovich, P., & Baker, W. (2006). Learning second language suprasegmentals: Effect of L2 experience on prosody and fluency characteristics of L2 speech. Studies in Second Language Acquisition, 28(1), 1–30. ![DOI logo](https://benjamins.com/logos/doi-logo.svg)
![Google Scholar](https://benjamins.com/logos/google-scholar.svg)
Valls Ferrer, M. (2011). The development of oral fluency and rhythm during a study abroad period (Unpublished doctoral dissertation). Pompeu Fabra University.
Yang, B., & Yang, N. (2019). Development of disyllabic tones in different learning contexts. IRAL, International Review of Applied Linguistics in Language Teaching, 57(2), 205–233. ![DOI logo](https://benjamins.com/logos/doi-logo.svg)
![Google Scholar](https://benjamins.com/logos/google-scholar.svg)