Publications

Peer-Reviewed Articles

Isbell, D., & Lee, J. (In press). Self-Assessment of Comprehensibility and Accentedness in L2 Korean. Language Learning.

Isbell, D., Brown, D., Chen, M., Derrick, D., Ghanem, R., Gutierrez-Arvizu, M. N., Schnur, E., Zhang, M., & Plonsky, L. (In press). Misconduct and questionable research practices: The ethics of quantitative data handling and reporting in applied linguistics. Modern Language Journal, 106(1).

Isbell, D., & Son, Y.-A. (2021). Measurement properties of a standardized elicited imitation test: An integrative data analysis. Studies in Second Language Acquisition. Online advance publication. https://doi.org/10.1017/S0272263121000383

Kessler, M., Kasun, G., Isbell, D., & De Costa, P. (2021). Methods showcase article: Conducting a netnography in second language acquisition research. Language Learning. Online advance publication. https://doi.org/10.1111/lang.12456

Isbell, D. (2021). Can the test support student learning? Validating the use of a second language pronunciation diagnostic. Language Assessment Quarterly. Online advance publication. https://doi.org/10.1080/15434303.2021.1874382

Isbell, D. (2020). Diagnostic language assessment for L2 pronunciation: A worked example. In O. Kang, S. Staples, K. Yaw, & K. Hirschi (Eds.), Proceedings of the 11th Pronunciation in Second Language Teaching and Learning Conference (pp. 127-140). Iowa State University.

Loewen, S., Isbell, D., & Sporn, Z. (2020). The effectiveness of app-based language instruction for developing receptive linguistic knowledge and oral communicative ability. Foreign Language Annals, 53(2), 209-233. https://doi.org/10.1111/flan.12454

Loewen, S., Gonulal, T., Isbell, D., Ballard, L., Crowther, D., Lim, J., Maloney, J., & Tigchelaar, M. (Oct 2019, Online First). How statistically literate are SLA and Applied Linguistics researchers? Data from North America and Europe. Studies in Second Language Acquisition. Online Advance Access. https://doi.org/10.1017/S0272263119000548

Loewen, S., Crowther, D., Isbell, D. R., Kim, K. M., Maloney, J., Miller, Z., Rawal, H., & Yin, Y. (2019). Mobile-assisted language learning: A Duolingo case study. ReCALL. Online First View. https://doi.org/10.1017/S0958344019000065

Gass, S., Winke, P., Isbell, D. R., & Ahn, J. (2019). How captions help people learn languages: A working-memory, eye-tracking study. Language Learning & Technology, 23(2), 84–104. https://www.lltjournal.org/item/3108

Isbell, D., Park, O., & Lee, K. (2019). Learning Korean pronunciation: Effects of instruction, proficiency, L1, and outcome task. Journal of Second Language Pronunciation, 5(1), 13-48. https://doi.org/10.1075/jslp.17010.isb

Isbell, D., Winke, P., & Gass, S. (2018). Using the ACTFL OPIc to monitor growth in a tertiary foreign languages program. Language Testing. Advance online publication. https://doi.org/10.1177%2F0265532218798139

Isbell, D. (2018). Online informal language learning: Insights from a Korean learning community. Language Learning & Technology, 22(3), 82–102. http://www.lltjournal.org/item/3082

Isbell, D. (2017). Measuring C2 writing ability on the Certificate of English Language Proficiency: Rater and examinee age effects. Assessing Writing, 34, 37-49. http://dx.doi.org/10.1016/j.asw.2017.08.004

Loewen, S., & Isbell, D. (Online First). Pronunciation in face-to-face and oral synchronous computer mediated interaction. Studies in Second Language Acquisition. https://doi.org/10.1017/S0272263116000449

Isbell, D. (2017). An academic definitions test. TESL-EJ, 20(4), 1-28. http://www.tesl-ej.org/wordpress/issues/volume20/ej80/ej80a2/

Isbell, D., Rawal, H., Oh, R., & Loewen, S. (2017). Narrative perspectives on self-directed foreign language learning in a computer- and mobile-assisted language learning context. Languages, 2(2), 4. doi:10.3390/languages2020004

LaFlair, G. T., Isbell, D., Gutierrez-Arvizu, M. N., May, L.D.N., & Jamieson, J. (2017). Test equating in small language programs. Language Testing, 34(1), 127-144. https://doi.org/10.1177%2F0265532215620825

Book Chapters & Encyclopedia Entries

Isbell, D. (Accepted). Open science, data analysis, and data sharing. In L. Plonsky (Ed.), Open Science in Applied Linguistics. John Benjamins.

Isbell, D., & Sakai, M. (Accepted). Pronunciation assessment in classroom contexts. In T. Derwing, J. Levis, & S. Sonsaat (Eds.), Pronunciation in Second Language Learning and Teaching: Innovations and Developments in Research and Teaching. Routledge.

Isbell, D., & Zhang, X. (Accepted). Student proficiency development in university foreign language programs. In S.J. Ross & M.C. Masters (Eds.), Longitudinal Studies of Language Learning Outcomes. Routledge.

Isbell, D., Dixon, D., & Plonsky, L. (In press). Research methods at the intersection of technology and SLA: Advancements and challenges. In N. Ziegler and M. González-Lloret (Eds.), Routledge Handbook of SLA and Technology. Routledge.

Isbell, D., & Rogers, J. (2021). Measuring implicit and explicit learning and knowledge. In P. Winke and T. Brunfaut (Eds.), Routledge Handbook of SLA and Language Testing (pp. 305-315). Routledge.

Sağdıç, A., & Isbell, D. (2020). Demystifying the process: Choosing, applying to, and getting accepted to a doctoral program in applied linguistics. In L. Plonsky (ed.), Professional development in applied linguistics: A guide to success for graduate students and early career faculty (pp. 7-20). John Benjamins. https://doi.org/10.1075/z.229.02sag

Isbell, D. (2017). Assessing L2 pronunciation for research purposes with listener-based numerical scales. In O. Kang and A. Ginther (Eds.), Assessment in second language pronunciation (pp. 89-111). New York: Routledge.

Winke, P., & Isbell, D. (2018). Construct of listening. In J. I. Liontas (Ed.), TESOL Encyclopedia of English Language Teaching. Hoboken, NJ: Wiley. https://doi.org/10.1002/9781118784235.eelt0618

Winke, P., & Isbell, D. (2017). Computer-assisted language assessment. In S. May (Ed.), Encyclopedia of Language and Education (3rd ed.). New York, NY: Springer. https://doi.org/10.1007/978-3-319-02328-1_25-1

Reviews

Nishizawa, H., Isbell, D., & Suzuki, Y. (Accepted). Test Review: Japanese Language Proficiency Test. Language Testing.

Isbell, D., & Kremmel, B. (2020). Test review: Current options in at-home language proficiency tests for making high-stakes decisions. Language Testing. Online Advance Access. https://doi.org/10.1177%2F0265532220943483

Isbell, D. (2019). Sociocognitive Foundations of Education Measurement [book review]. Language Asssessment Quarterly. Online Advance Access. https://doi.org/10.1080/15434303.2019.1677669

Isbell, D., & Winke, P. (2019). ACTFL Oral Proficiency Interview – computer [test review]. Language Testing, 36(3), 467-477. https://doi.org/10.1177/0265532219828253

Isbell, D., & Sargent, J. (2014). [Review of thebook Longman academic reading series 4:Reading skills for college, by R. F. Cohen & J. L. Miller]. TESL-EJ,18(2), 1-3.

Dissertation

Isbell, D. R. (2019). Diagnosing second language pronunciation (Doctoral dissertation). Retrieved from ProQuest (Document ID 2228135065). https://doi.org/10.13140/RG.2.2.14652.08325

Newsletters, Etc.

Isbell, D. (2013). Deconstructing inferences. AZ-TESOL News, 34(3), 6-8.