Presentations

Conference Presentations

Isbell, D. (August 2021). Exploring the aftermath of diagnostic feedback: What do learners do and how effective is it? Paper presented at the World Congress of Applied Linguistics (AILA 2020/2021), Groningen.

Isbell, D., & Lee, J. (2021). Self-assessment of L2 Korean pronunciation: A conceptual replication and extension of Trofimovich et al. (2016). Paper presented at the 12th Pronunciation in Second Language Learning and Teaching conference, Online. 

Isbell, D., & Son, Y.-A. (March 2021). Validation of a standardized Elicited Imitation Test of oral language proficiency: A measurement approach. Paper presented at AAAL 2021 Virtual Conference.

Crowther, D., & Isbell, D. (March 2021). Who speaks ‘broken’ English now? A replication of Lindemann (2005) 15 years later. Paper to presented at AAAL 2021 Virtual Conference.

Isbell, D.  (March 2021). The utilization and impact of diagnostic information in pronunciation learning. Paper to be presented at LARC 2020/2021, Provo, Utah. (conference canceled)

Kremmel, B., & Isbell, D. (October 2020). Testing times for high-stakes tests during COVID-19: Challenges and opportunities of at-home administration. Paper presented at the 8th New Directions in English Language Assessment Conference, Singapore.

Kremmel, B., & Isbell, D. (September 2020). Survey of remote invigilation options for large-scale standardized language tests. In J. Dunlea (organizer), Recent research into and application of technology in language assessment: Validity in a dynamically changing assessment context. Colloquium paper presented at the 8th New Directions in English Language Assessment Conference, Singapore.

Isbell, D., Winke, P., & Gass, S. (September 2019). Using the ACTFL OPIc to assess proficiency in a foreign languages program. In X. Yan and M. A. Bowles (Organizers), Unique challenges but universal implications: Assessment of foreign languages in local contexts. Colloquium conducted at SLRF 2019, East Lansing, Michigan.

Isbell, D., & Sporn, Z. (June 2019).  Learning Spanish with Babbel: An experimental study in mobile-assisted language learning. Paper presented at IALLT 2019, Eugene, Oregon.

Isbell, D. (September 2019). Diagnostic language assessment for L2 pronunciation: A worked example. Paper presented at PSLLT, Flagstaff, Arizona.

Loewen, S., Isbell, D., & Sporn, Z. (October 2018). Motivation and persistence in app-based foreign language learning. Paper presented at SLRF 2018, Montreal, Canada. 

Godfroid, A., Kim, K. M., Hui, B., & Isbell, D. (October 2018). Validating implicit and explicit L2 knowledge measures: A research synthesis. Paper presented at SLRF 2018, Montreal, Canada.

Godfroid, A., Kim, K. M., Hui, B., & Isbell, D. (September 2018). Validation research on implicit and explicit knowledge: A research synthesis. Paper presented at EUROSLA 28, Muenster, Germany.

Plonsky, L., Sagdic, A., Isbell, D., Geeslin, K., & DeKeyser, R. (March 2018). Plotting your next steps as an applied linguist: Choosing, applying, and getting accepted to a PhD program. Special session presented at AAAL 2018, Chicago, Illinois.

Isbell, D. (March 2018). A phonology diagnostic for Korean as a second language. Work in progress presented at the 2018 Language Assessment Research Conference, Ames, Iowa.

Isbell, D. (October 2017). Measuring C2-level writing ability: Rater and examinee age effects. Paper presented at MwALT 2017, Dayton, Ohio.

Isbell, D., Winke, P., & Gass, S. (October 2017). Using the ACTFL OPIc to Monitor Progress in a Tertiary Foreign Languages Program. Paper presented at East Coast Organization of Language Testers, Washington D.C.

Isbell, D. (October 2017). Explaining Intelligibility: What Matters Most in L2 Speech? Paper presented at the 36th Second Language Research Forum, Columbus, Ohio.

Tigchelaar, M., Crowther, D., Isbell, D., Lim, J., Loewen, S. (October 2017). Statistical Literacy in SLA: Researchers' Perspectives. Paper presented at the 36th Second Language Research Forum, Columbus, Ohio.

Isbell, D. (May 2017). Modeling Oral Proficiency Development across Four Languages with the ACTFL OPIc. Paper presented at the Association of Language Testers in Europe (ALTE) 2017, Bologna, Italy.

Isbell, D. (March 2017). Development of L2 Korean Pronunciation: Effects of Instruction and Proficiency. Paper presented at AAAL 2017, Portland, OR.

Loewen, S., Ballard, L., Crowther, D., Isbell, D., Lim, J., Maloney, J., & Tigchelaar, M. (March 2017). The Statistical Literacy of Applied Linguistics Researchers. Paper presented at AAAL 2017, Portland, OR.

Plonsky, L., Brown, D., Chen, M., Derrick, D., Ghanem, R., Gutierrez Arvizu, M., Isbell, D., Schnur, E., & Zhang, M. (March 2017). Quantitative Data Ethics in Applied Linguistics: Sins of Omission and Commission. Paper presented at AAAL 2017, Portland, OR.

Isbell, D. (October 2016). Assessing Comprehensibility and Accentedness in L2 Korean Speech. Paper presented at MwALT 2016, West Lafayette, IN.

Loewen, S., Crowther, D., Isbell, D., Kim, K. M., Maloney, J., Miller, Z. F., & Rawal, H. (September 2016). Learning from Scratch Using MALL: Duolingo and Turkish. Paper presented at the 35th Second Language Research Forum, New York, NY.

Isbell, D., Lee, K., & Park, O. (August 2016). Technology-Integrated Pronunciation Instruction for Learners of Korean. Paper presented at the 8th Annual Pronunciation in Second Language Learning and Teaching Conference, Calgary, Canada.

Jamieson, J., Isbell, D., & May, L.D.N. (June 2016). Validation of an LSP Test Aligned with the CEFR. Paper presented at LTRC 2016, Palermo, Italy.

Isbell, D. (May 2016). Informal Korean Learning in an Online Community. Paper presented at CALICO 2016, East Lansing, MI.

Isbell, D. (October 2015). A Critical Review of Student Evaluations of Teaching. Paper presented at the 2015 MITESOL Conference, East Lansing, MI.

Derrick, D., & Isbell, D. (October 2015). Reading inferences in large-scale tests of academic English. Paper presented at AZTESOL 2015. Mesa, AZ.

Isbell, D. (March 2015). Assessing Future Learning: Testing an Ability to Identify Definitions for Technical Vocabulary in Introductory Textbooks. Poster presented at Language Testing Research Colloquium, Toronto, Canada.

Isbell, D. (October 2014). Defining Unknown Words in an Academic Text: A Test. Paper presented at AZTESOL Annual Conference, Flagstaff, AZ.

Gutierrez-Arvizu, M. N., Isbell, D., & LaFlair, G. T. (October 2014). Using Circle-Arc to Equate Placement Tests in Small Language Programs. Paper presented at MwALT 2014 Conference, Ann Arbor, MI. 

Isbell, D., LaFlair, G. T., & Gutierrez-Arvizu, M. N. (June 2014). Is Equating Reasonable for Small-Scale Language Testing Programs?  Paper presented at Language Testing Research Colloquium, Amsterdam, The Netherlands. 

May, N., & Isbell, D. (October 2013). Towards Greater Precision in Teaching and Testing Inferences. Paper presented at AZ-TESOL Annual Conference, Tucson, AZ.

Aldrich, E., Velde, N., & Isbell, D. (March 2013). Making Connections:  The Relationships between Teaching Approaches and Course Syllabi. Paper presented at Northern Regional AZ-TESOL Teacher’s Mini-Conference, Flagstaff, AZ.

Isbell, D. (February 2013). Moving Beyond Wordlists:  Preparing ESL Students for University Vocabulary. Paper presented at Peaks Interdisciplinary Conference, Flagstaff, AZ.

Invited Talks and Workshops


Isbell, D. (2023, March). Misconduct and questionable research practices in applied linguistics. Open Applied Linguistics Reading Club "Meet the Authors" Series, hosted by M. Liu and X. Huang. https://openappliedlinguistics.org/ 

Isbell, D. (September, 2021). There’s no going back now: Fairness and justice in the new language testing landscape. Invited talk to be given at the 2021 British Association of Applied Linguistics Testing Evaluation and Assessment SIG (BAAL TEASIG) Online Conference.

Kremmel, B., & Isbell, D. (September 2020). Survey of remote invigilation options for large-scale standardized language tests. In J. Dunlea (organizer), Recent research into and application of technology in language assessment: Validity in a dynamically changing assessment context. Colloquium paper presented at the 8th New Directions in English Language Assessment Conference, Singapore.

Son, Y.-A., & Isbell, D. (October 2020). Validating the Interpretation of Korean Elicited Imitation Test Scores: An Integrated Data Analysis using Advanced Measurement Techniques. Presented at the SLS Brown Bag series, UH-Mānoa.

Isbell, D. (April 2019). Pinpointing pronunciation difficulties in Korean as a second language. Paper presented at Fulbright Spring Conference 2019, Jeju-do, South Korea.

LaFlair, G. T., & Isbell, D. (March 2019). R/RStudio for Reproducible Language Test Analysis, Research, and Reporting. Workshop to be given at LTRC 2019, Atlanta, Georgia.

Isbell, D. (January 2019). What’s so hard about Korean pronunciation? Invited talk, Fulbright Forum series, Korean-American Educational Commission, Seoul, South Korea.

Isbell, D. (April 2018). Diagnostic Language Assessment & Second Language Acquisition. Invited talk, Assessment for Language Teaching & Research (LLT 808), Michigan State University, East Lansing, Michigan.

Maloney, J., & Isbell, D. (January 2018). Qualtrics survey software overview: Applications for research. Workshop given at the Center for Language Teaching Advancement, Michigan State University, East Lansing, Michigan.

Isbell, D. (October 2017). Intro to R. Workshop given at Donuts & Distributions (Statistics and Quantitative Methodology Reading Group), Michigan State University, East Lansing, Michigan.

Winke, P., with Isbell, D. (September 2017). PACE: Springboard to research. Assisted with workshop given at University of Minnesota, Minneapolis, Minnesota.

Isbell, D. (February 2017). Data wrangling in R: Get all your data and get it tidy. Workshop given at Donuts & Distributions (Statistics and Quantitative Methodology Reading Group), Michigan State University, East Lansing, MI.

Isbell, D. (November 2016). Graphics with R. Workshop given at Donuts & Distributions (Statistics and Quantitative Methodology Reading Group), Michigan State University, East Lansing, MI.

Isbell, D., & Smith, M. (February 2016). R Basics. Workshop given at Donuts & Distributions (SOSLAP Statistics and Quantitative Methodology Reading Group), Michigan State University, East Lansing, MI.

Isbell, D. (October 2014). PIE Reading and Writing. Invited talk for Graduate Practicum (ENG 601), Northern Arizona University.

Isbell, D. (November 2013). PIE Vocabulary. Invited talk for Graduate Practicum (ENG 601), Northern Arizona University.