Dr. O’Rourke’s research interests include Intonation and prosodic variation; Spanish dialectology and sociolinguistics; Language contact;  Acoustic and articulatory phonetics; Sociophonetics; Quechua dialectology, and Andean and Amazonian linguistics; Indigenous languages of Latin America. Additional interests include Spanish in the US, linguistic landscapes, psycholinguistics, and statistical methods in linguistic research.

Edited Volumes

Gómez, Rosario, Erin O’Rourke & Christina García (eds.). 2022. Ecuadorian Spanish in the 21st Century: Historical and Contemporary Perspectives. Cambridge Scholars.

Hualde, José Ignacio, Antxon Olarrea & Erin O’Rourke (eds.). 2012. Handbook of Hispanic Linguistics. Malden, MA & Oxford: Wiley-Blackwell.

Book Chapters and Journal Articles

• O’Rourke, Erin. 2023. Depalatalization and delateralization in the Ecuadorian Amazon: Spanish and Quichua in contact. In Margarita Jara, Roberto Zariquiey, Pilar Valenzuela & Anna María Escobar (eds.), Spanish Diversity in the Amazon: Dialect and Language Contact Perspectives, 185-217. Brill. https://doi.org/10.1163/9789004514645_008
• O’Rourke, Erin. 2022. The intonation of secondary stress in Ecuadorian Spanish in contact with Quichua. In Rosario Gómez, Erin O’Rourke & Christina García (eds.), Ecuadorian Spanish in the 21st Century: Historical and Contemporary Perspectives, 145-177. Cambridge Scholars Publishing.
• Fafulas, Stephen, Nicholas Henriksen & Erin O’Rourke. 2022. Sound change and gender-based differences in isolated regions: Acoustic analysis of intervocalic phonemic stops by Bora-Spanish bilinguals. Linguistics Vanguard 8 (s5), 557-568. https://doi.org/10.1515/lingvan-2021-0078.
• Henriksen, Nicholas, Stephen Fafulas & Erin O’Rourke. 2020. Intervocalic phonemic stop realization in Amazonian Peru: The case of Yagua Spanish. In Rajiv G. Rao (ed.), Spanish phonetics and phonology in contact: Studies from Africa, the Americas, and Spain, 142-161. Amsterdam & Philadelphia: John Benjamins. https://benjamins.com/catalog/ihll.28.06hen
• O’Rourke, Erin. 2020. Phonological processes in flux: Variation in palatal lateral production in the Ecuadorian Amazon. In Stephen Fafulas (ed.), Amazonian Spanish: Language Contact and Evolution, 224-258. Amsterdam & Philadelphia: John Benjamins. https://benjamins.com/catalog/ihll.23.09oro
• O’Rourke, Erin & Kim Potowski. 2016. Phonetic outcomes of dialect contact: Variation among Mexicans, Puerto Ricans, and ‘MexiRicans’ in Chicago. Studies in Hispanic and Lusophone Linguistics 9(2). 355-399. http://dx.doi.org/10.1515/shll-2016-001
• O’Rourke, Erin & Stephen Fafulas. 2015. Spanish in Contact in the Peruvian Amazon: An Examination of Intervocalic Voiced Stops. In Erik W. Willis, Pedro Martín Butragueño, & Esther Herrera Zendejas (eds.), Selected Proceedings of the 6th Conference on Laboratory Approaches to Romance Phonology, 145-162. Somerville, MA: Cascadilla Proceedings Project. www.lingref.com, document #3198.
• Pérez-Leroux, Ana Teresa, Erin O’Rourke & Gretchen Sunderman. 2014. Language dominance and codeswitching asymmetries. In Jeff McSwan (ed.), Grammatical Theory and Bilingual Codeswitching, 283-312. Cambridge: MIT Press. Website
• O’Rourke, Erin & Tod D. Swanson. 2013. Tena Quichua. Journal of the International Phonetic Association 43(1). 107-120. http://dx.doi.org/10.1017/S0025100312000266
• O’Rourke, Erin. 2012. Intonation in Spanish. In José Ignacio Hualde, Antxon Olarrea & Erin O’Rourke (eds.), Handbook of Hispanic Linguistics, 173-191. Malden, MA & Oxford: Wiley-Blackwell. http://dx.doi.org/10.1002/9781118228098.ch9
• O’Rourke, Erin. 2012. The realization of contrastive focus in Peruvian Spanish intonation. Lingua 122(5): 494–510.  http://dx.doi.org/10.1016/j.lingua.2011.10.002
• O’Rourke, Erin. 2010. Ecuadorian Andean Spanish intonation. In Pilar Prieto & Paolo Roseano (eds.), Transcription of Intonation of the Spanish Language. Munich: Lincom Europa. http://prosodia.upf.edu/home/arxiu/activitats/4th_workshop/protegit/Ecuadorian_final.pdf
• O’Rourke, Erin. 2010. Dialect differences and the bilingual vowel space in Peruvian Spanish. In Marta Ortega-Llebaria (ed.), Selected Proceedings of the 4th Conference on Laboratory Approaches to Spanish Phonology, 20-30. Somerville, MA: Cascadilla Proceedings Project. www.lingref.com, document #2363.
• See also: Additional publications