Note: The publishers retain sole copyright of all articles and chapters. Materials are for educational or personal use only. 

Submissions and Pre-prints

Tomic, A., & Valdés Kroff, J. R. (under review). Code-switching aids the prediction of the unexpected. Manuscript submitted for publication. [pre-print]

In Press

Adler, R. M., Valdés Kroff, J. R., & Novick, J. M. (in press). Does integrating a code-switch during comprehension engage cognitive control? Journal of Experimental Psychology: Learning, Memory, and Cognition. DOI: 10.1037/xlm0000755 [pre-print]


Dussias, P. E., Valdés Kroff, J. R., Beatty-Martínez, A. L., Johns, M. A. (2019). What language experience tells us about cognition: Variable input and interactional contexts affect bilingual sentence processing. In J. Schweiter (Ed.), The Handbook of the Neuroscience of Multilingualism (pp. 467-484). Hoboken, NJ: Wiley-Blackwell.

Dussias, P. E., Valdés Kroff, J. R., Johns, M., & Villegas, A. (2019). How bilingualism affects syntactic processing in the native language: Evidence from eye movements. In Schmidt, M., & Köpke, B. (Eds.), The Oxford Handbook of Language Attrition (pp. 98-107). Oxford, UK: Oxford University Press.

Johns, M. A., Valdés Kroff, J. R., & Dussias, P. E. (2019). Mixing things up: How blocking and mixing affect the processing of codemixed sentences. International Journal of Bilingualism, 23, 584-611. DOI: 10.1177/1367006917752570

Tsoukala, C., Frank, S. L., van den Bosch, A., Valdés Kroff, J., & Broersma, M. (2019). Simulating Spanish-English code-switching: El modelo está generating code-switches. Proceedings of the Workshop on Cognitive Modeling and Computational Linguistics (pp. 20-29). Minneapolis, MN: Association for Computational Linguistics. [paper]

Valdés Kroff, J. R., Rooijakkers, F., & Parafita Couto, M. C. (2019). Spanish grammatical gender interference in Papiamentu. Languages, 4, 78. DOI: [paper]


Beatty-Martínez, A. L., Valdés Kroff, J. R., & Dussias, P. E. (2018). From the field to the lab: A converging methods approach to the study of codeswitching. Languages, 819. DOI: 10.3390languages3020019 [paper]

Halberstadt, L., Valdés Kroff, J. R., & Dussias, P. E. (2018). Grammatical gender processing in L2 speakers of Spanish: The role of cognate status and gender transparency. Journal of Second Language Studies,1, 5-33. DOI: 10.1075/jsls.17023.hal [paper]

Valdés Kroff, J. R., Guzzardo Tamargo, R. E., & Dussias, P. E. (2018). Experimental contributions of eye-tracking to the understanding of comprehension processes while hearing and reading code-switches. Linguistic Approaches to Bilingualism, 8, 98-133. DOI: 10.1075/lab.16011.val [paper]


Dean, C. A., & Valdés Kroff, J. R. (2017). Cross-linguistic orthographic effects in late Spanish/English bilinguals. Languages, 2, 24. DOI: 10.3390/languages2040024 [paper]

Dussias, P. E., Valdés Kroff, J. R., & Guzzardo Tamargo, R. E. (2017). When cognate status produces no benefits: Investigating cognate effects during the processing of code-switched utterances. In M. Libben, M. Goral, & G. Libben (Eds.), Bilingualism: A framework for understanding the mental lexicon (pp.143-180). Amsterdam, The Netherlands: John Benjamins. [pre-proofs]

Valdés Kroff, J. R., Dussias, P. E., Gerfen, C., Perrotti, L, & Bajo, M. T. (2017). Experience with code-switching modulates the use of grammatical gender during sentence processing. Linguistic Approaches to Bilingualism, 7, 163-198. DOI: 10.1075/lab.15010.val [paper]

Valdés Kroff, J. R., & Fernández-Duque, M. (2017). Experimentally inducing Spanish-English code-switching: A new conversation paradigm. In K. Bellamy, M. Child, P. González González, A. Muntendam, & M. C. Parafita Couto (Eds.), Multidisciplinary approaches to bilingualism in the Hispanic and Lusophone world (pp. 211-233). Amsterdam, The Netherlands: John Benjamins. [uncorrected proofs]


Boland, J. Kaan, E., Valdés Kroff, J., & Wulff, S. (2016). Psycholinguistics and variation in language processing. Linguistics Vanguard, 2, 1-10. DOI: 10.1515/lingvan-2016-0064 [paper]

Guzzardo Tamargo, R. E., Valdés Kroff, J. R., & Dussias, P. E. (2016). Using code-switching as a tool to study the link between production and comprehension. Journal of Memory and Language, 89, 138-161. DOI: 10.1016/j.jml.2015.12.002 [paper]

Valdés Kroff, J. R. (2016). Mixed NPs in Spanish-English bilingual speech: Using a corpus-based approach to inform models of sentence processing. In R. E. Guzzardo Tamargo, C. M. Mazak, & M. C. Parafita Couto (Eds), Spanish-English code-switching in the Caribbean and the US (pp. 281-300). Amsterdam, The Netherlands: John Benjamins. [proofs]


Morales, L., Paolieri, D., Dussias, P. E., Valdés Kroff, J. R., Gerfen, C., & Bajo, M. T. (2015). The gender congruency effect during bilingual spoken-word recognition. Bilingualism: Language and Cognition, 19, 294-310. DOI: 10.1017/S1366728915000176 [paper]


Dussias, P. E., Guzzardo Tamargo, R. E., Valdés Kroff, J. R., & Gerfen, C. (2014). Looking into comprehension of Spanish-English code-switched sentences: Evidence from eye movements. In F.-H. Liu, & J. Huang (Eds). Peaches and plums (pp. 335-351). Taipei, Taiwan: Academica Sinica. [chapter]

Dussias, P. E., Valdés Kroff, J. R., & Gerfen, C. (2014). Using the visual world to explore spoken language processing in second language speakers. In J. Jegerski, & B. VanPatten (Eds.), Research methods in second language psycholinguistics (pp. 93-126). New York, New York: Routledge. [proofs]


Dussias, P. E., Valdés Kroff, J. R., Guzzardo Tamargo, R. E., & Gerfen, C. (2013). When gender and looking go hand in hand: Grammatical gender processing in L2 Spanish. Studies in Second Language Acquisition, 35, 353-387. DOI: 10.1017/S0272263112000915 [paper]


Kroll, J. F., Dussias, P. E., Bogulski, C. A., & Valdés Kroff, J. R. (2012). Juggling two languages in one mind: What bilinguals tell us about language processing and its consequences for cognition. In B. Ross (Ed.), The Psychology of Learning and Motivation, Volume 56 (pp. 229-262). San Diego, California: Academic Press. DOI: 10.1016/B978-0-12-394393-4.00007-8 [paper]


Dussias, P. E., & Valdés Kroff, J. R. (2010). Encompassing multiple perspectives in code-switching research. [Review of the book The Cambridge Handbook of Linguistic Code-switching, by B. E. Bullock & A. J. Toribio (Eds.)]. PsycCRITIQUES, 55(1). [review]


Valdés Kroff, J. R. (2012). Using eye-tracking to study auditory comprehension in code-switching: Evidence for the link between comprehension and production. (Unpublished doctoral dissertation). Penn State University, State College, PA. [dissertation]