Publications

Ekaterina Sudina

Journal Articles

If you don’t have local access, feel free

to contact me for a copy

at esudina@umd.edu.

Lyu, M., Wu, C., Jia, R., & Sudina, E. (2026).
The qualitative phase in individual
differences scale development in SLA:
A methodological synthesis. Research
Synthesis in Applied Linguistics, 1–33.
Advance online publication.
https://doi.org/10.1080/29984475.2026.2713533
Baker-Iyore, R., Sudina, E., Dowson, D.,
Bobb, S., & Rothermich, K. (2026).
Measuring speaker intent and
awareness in language-discordant
communication: The Communication
Accommodation Behavior Scale.
Applied Linguistics, 1–21.
Advance online publication.
https://doi.org/10.1093/applin/amag042
Ryu, H., & Sudina, E. (2026).
Screen inferiority in L2 reading:
The role of working memory,
proficiency, and digital device usage.
Studies in Second Language
Acquisition, 48(3), 651–679.
https://doi.org/10.1017/S0272263126101752
[open access]
Piniel, K., & Sudina, E. (2026).
Implementing argument-based
validity in second language
research on individual differences.
TESOL Quarterly, 1–16.
Advance online publication.
http://doi.org/10.1002/tesq.70159
[open access]
Sudina, E., Quan, Y., & Ozdemir, H.
(2026). Measurement and structural
invariance testing in L2 research:
A methodological synthesis.
Studies in Second Language
Acquisition, 48(3),873–906.
https://doi.org/10.1017/S0272263126101624
[open access]
Sudina, E., Bikmohammadi, M.,
& Plonsky, L. (2026). Self-citation
attitudes and practices in applied
linguistics: A mixed-methods study.
Research Methods in Applied
Linguistics, 5(1), 100307.
https://doi.org/10.1016/j.rmal.2026.100307
[open access]
Sudina, E., Jia, R., Kang, E.,
Plonsky, L., & Yaw, K. (2025).
Can you trust your participants?
How not to get scammed when
recruiting online. Research Methods
in Applied Linguistics, 4(3), 100285.
https://doi.org/10.1016/j.rmal.2025.100285
[open access]
Plonsky, L., & Sudina, E. (2025).
Self-citation practices in applied
linguistics: A bibliometric review.
Journal of Second Language
Studies, 8(2), 264–280.
https://doi.org/10.1075/jsls.00052.plo
Teimouri, Y., Sudina, E., &
Plonsky, L. (2025).
Individual differences in
language learning and teaching:
Growing pains at the theory-
methods interface.
Learning and Individual Differences.
Advance Online Publication.
https://doi.org/10.1016/j.lindif.2025.102786
Jia, R., Sudina, E., & Du, K. (2025).
Do data collection methods matter
for self-reported L2 individual
differences questionnaires?
In-person vs crowdsourced data.
Research Methods in Applied
Linguistics.
https://doi.org/10.1016/j.rmal.2025.100235
[open access]
Sudina, E., Teimouri, Y., &
Plonsky, L. (2025).
L2 grit and age as predictors
of attrition in mobile-assisted
language learning. Learning
and Individual Differences.
120, 102704, 1–11.
https://doi.org/10.1016/j.lindif.2025.102704
[open access]
Kostromitina, M., Sudina, E., &
Baghlaf, E. (2025). Study and
scale quality in listener-based
L2 speech perception: A
methodological synthesis.
Studies in Second Language
Acquisition, 47(2), 721–754.
https://doi.org/10.1017/S027226312500018X
[open access]
Al-Hoorie, A. H., Cinaglia, C.,
Hiver, P., Huensch, A., Isbell, D. R.,
Leung, C., & Sudina, E. (2024).
Open science: Considerations
and issues for TESOL research.
TESOL Quarterly, 58, 537–556.
https://doi.org/10.1002/tesq.3304
[open access]
Sudina, E., & Plonsky, L. (2024).
The effects of frequency, duration,
and intensity on L2 learning
through Duolingo: A natural
experiment. Journal of Second
Language Studies, 7(1), 1–43.
https://doi.org/10.1075/jsls.00021.plo
[open access]
Sudina, E. (2023). Scale quality
in second-language anxiety and
WTC: A methodological synthesis.
Studies in Second Language
Acquisition, 45, 1427–1455.
https://doi.org/10.1017/S0272263122000560.
[open access]
Sudina, E. (2023). A primer on
measurement invariance in L2
anxiety research. Annual Review of
Applied Linguistics, 43, 140–146.
https://doi.org/10.1017/S0267190523000089
[open access]
Plonsky, L., Sudina, E., &
Teimouri, Y. (2022).
Language learning and
emotion. Language Teaching, 55,
346–362.
https://doi.org/10.1017/S0261444821000434
Sudina, E., & Plonsky, L. (2021).
Academic perseverance in foreign
language learning:
An investigation of language-
specific grit and its conceptual
correlates. Modern Language
Journal, 105, 829–857.
https://doi.org/10.1111/modl.12738
Teimouri, Y., Sudina, E., &
Plonsky, L. (2021).
On domain-specific
conceptualization and
measurement of grit in
L2 learning. Journal
for the Psychology of
Language Learning, 3, 156–164.
https://doi.org/10.52598/jpll/3/2/10
Sudina, E. (2021).
Study and scale quality in
second language survey
research, 2009–2019: The case of
anxiety and motivation.
Language Learning, 71, 1149–1193.
https://doi.org/10.1111/lang.12468
Plonsky, L., Sudina, E., & Hu, Y.
(2021). Applying meta-analysis
to research on bilingualism:
An introduction.
Bilingualism: Language and
Cognition, 25, 819−824.
https://doi.org/10.1017/S1366728920000760
Sudina, E., & Plonsky, L. (2021).
Language learning grit,
achievement, and anxiety
among L2 and L3
learners in Russia.
ITL — International Journal
of Applied Linguistics, 172, 161−198.
https://doi.org/10.1075/itl.20 001.sud
Sudina, E., Brown, J., Datzman, B., Oki, Y., Song, K., Cavanaugh, R.,
Thiruchelvam, B., & Plonsky, L.
(2021). Language-specific grit:
Exploring psychometric
properties, predictive validity, and
differences across contexts.
Innovation in Language Learning
and Teaching, 15, 334−351.
https://doi.org/10.1080/17 501 229.2020.1 802 468
Sudina, E., Vernon, T., Foster, H.,
del Villano, H., Hernandez, S.,
Beck, D., & Plonsky, L. (2021).
Development and initial validation
of the L2-teacher grit scale.
TESOL Quarterly, 55, 156−184.
https://doi.org/10.1002/tesq.581
Hashimoto, B., Keller, D.,
Sudina, E., Yaw, K., Egbert, J.,
& Plonsky, L. (2020). Research
in progress: Applied linguistics
at Northern Arizona University,
USA. Language Teaching, 53, 227−232.
https://doi.org/10.1017/S0261444819000491

Journal Articles

If you don’t have local access, feel free to contact me for a copy at esudina@umd.edu.

Lyu, M., Wu, C., Jia, R., & Sudina, E. (2026). The qualitative phase in individual differences scale development in SLA: A methodological synthesis. Research Synthesis in Applied Linguistics, 1–33. Advance online publication. https://doi.org/10.1080/29984475.2026.2713533
Baker-Iyore, R., Sudina, E., Dowson, D., Bobb, S., & Rothermich, K. (2026). Measuring speaker intent and awareness in language-discordant communication: The Communication Accommodation Behavior Scale. Applied Linguistics, 1–21. Advance online publication. https://doi.org/10.1093/applin/amag042
Ryu, H., & Sudina, E. (2026). Screen inferiority in L2 reading: The role of working memory, proficiency, and digital device usage. Studies in Second Language Acquisition, 48(3), 651–679. https://doi.org/10.1017/S0272263126101752 [open access]
Piniel, K., & Sudina, E. (2026). Implementing argument-based validity in second language research on individual differences. TESOL Quarterly, 1–16. Advance online publication. http://doi.org/10.1002/tesq.70159 [open access]
Sudina, E., Quan, Y., & Ozdemir, H. (2026). Measurement and structural invariance testing in L2 research: A methodological synthesis. Studies in Second Language Acquisition, 48(3),873–906. https://doi.org/10.1017/S0272263126101624 [open access]
Sudina, E., Bikmohammadi, M., & Plonsky, L. (2026). Self-citation attitudes and practices in applied linguistics: A mixed-methods study. Research Methods in Applied Linguistics, 5(1), 100307. https://doi.org/10.1016/j.rmal.2026.100307 [open access]
Sudina, E., Jia, R., Kang, E., Plonsky, L., & Yaw, K. (2025). Can you trust your participants? How not to get scammed when recruiting online. Research Methods in Applied Linguistics, 4(3), 100285. https://doi.org/10.1016/j.rmal.2025.100285
[open access]
Plonsky, L., & Sudina, E. (2025). Self-citation practices in applied linguistics: A bibliometric review. Journal of Second Language Studies, 8(2), 264–280. https://doi.org/10.1075/jsls.00052.plo
Teimouri, Y., Sudina, E., & Plonsky, L. (2025). Individual differences in language learning and teaching: Growing pains at the theory-methods interface. Learning and Individual Differences. Advance Online Publication.
https://doi.org/10.1016/j.lindif.2025.102786
Jia, R., Sudina, E., & Du, K. (2025). Do data collection methods matter
for self-reported L2 individual differences questionnaires? In-person vs crowdsourced data. Research Methods in Applied Linguistics. https://doi.org/10.1016/j.rmal.2025.100235 [open access]
Sudina, E., Teimouri, Y., & Plonsky, L. (2025). L2 grit and age as predictors of attrition in mobile-assisted language learning. Learning and Individual Differences, 120, 102704, 1–11. https://doi.org/10.1016/j.lindif.2025.102704 [open access]
Kostromitina, M., Sudina, E., & Baghlaf, E. (2025). Study and scale quality in listener-based L2 speech perception: A methodological synthesis. Studies in Second Language Acquisition, 47(2), 721–754.
https://doi.org/10.1017/S027226312500018X [open access]
Al-Hoorie, A. H, Cinaglia, C., Hiver, P., Huensch, A., Isbell, D. R., Leung, C., & Sudina, E. (2024). Open science: Considerations and issues for TESOL research. TESOL Quarterly, 58, 537–556. https://doi.org/10.1002/tesq.3304 [open access]
Sudina, E., & Plonsky, L. (2024). The effects of frequency, duration, and intensity on L2 learning through Duolingo: A natural experiment. Journal of Second Language Studies, 7(1), 1–43. https://doi.org/10.1075/jsls.00021.plo [open access]
Sudina, E. (2023). Scale quality in second-language anxiety and WTC: A methodological synthesis. Studies in Second Language Acquisition, 45, 1427–1455. https://doi.org/10.1017/S0272263122000560 [open access]
Sudina, E. (2023). A primer on measurement invariance in L2 anxiety research. Annual Review of Applied Linguistics, 43, 140–146. https://doi.org/10.1017/S0267190523000089 [open access]
Plonsky, L., Sudina, E., & Teimouri, Y. (2022). Language learning and emotion. Language Teaching, 55, 346–362.
https://doi.org/10.1017/S0261444821000434
Sudina, E., & Plonsky, L. (2021). Academic perseverance in foreign language learning: An investigation of language-specific grit and its conceptual correlates. Modern Language Journal, 105, 829–857. https://doi.org/10.1111/modl.12738
Teimouri, Y., Sudina, E., & Plonsky, L. (2021). On domain-specific conceptualization and measurement of grit in L2 learning. Journal for the Psychology of Language Learning, 3, 156–164. https://doi.org/10.52598/jpll/3/2/10
Sudina, E. (2021). Study and scale quality in second language survey research, 2009–2019: The case of anxiety and motivation. Language Learning, 71, 1149–1193. https://doi.org/10.1111/lang.12468
Plonsky, L., Sudina, E., & Hu, Y. (2021). Applying meta-analysis to research on bilingualism: An introduction. Bilingualism: Language and Cognition, 25, 819−824. https://doi.org/10.1017/S1366728920000760
Sudina, E., & Plonsky, L. (2021). Language learning grit, achievement, and anxiety among L2 and L3 learners in Russia. ITL — International Journal of Applied Linguistics, 172, 161−198. https://doi.org/10.1075/itl.20 001.sud
Sudina, E., Brown, J., Datzman, B., Oki, Y., Song, K., Cavanaugh, R., Thiruchelvam, B., & Plonsky, L. (2021). Language-specific grit: Exploring psychometric properties, predictive validity, and differences across contexts. Innovation in Language Learning and Teaching, 15, 334−351. https://doi.org/10.1080/17 501 229.2020.1 802 468
Sudina, E., Vernon, T., Foster, H., del Villano, H., Hernandez, S., Beck, D., & Plonsky, L. (2021). Development and initial validation of the L2-teacher grit scale. TESOL Quarterly, 55, 156−184. https://doi.org/10.1002/tesq.581
Hashimoto, B., Keller, D., Sudina, E., Yaw, K., Egbert, J., & Plonsky, L. (2020). Research in progress: Applied linguistics at Northern Arizona University, USA. Language Teaching, 53, 227−232. https://doi.org/10.1017/S0261444819000491

Book Chapters & Encyclopedia Entries

Plonsky, L., Norris, J., Hu, Y.,
Sudina, E., & Oswald, F. L.
(2026). Meta-analysis.
In C. Chapelle & Z. Li (Eds.),
The Encyclopedia of
Applied Linguistics (2^nd ed.).
Wiley–Blackwell.
https://doi.org/10.1002/
9781405198431.wbeal0761.pub2
Sudina, E. (2025). Scale quality
in L2 anxiety research: Issues
and challenges. In R. Sparks (Ed.),
Second Language Anxiety:
Affective or Linguistic Variable?
(pp. 255–259).
Multilingual Matters.
https://doi.org/10.2307/jj.30412943.25
Plonsky, L., Hu, Y., Sudina, E.,
& Oswald, F. L. (2023). Advancing
meta-analytic methods
in L2 research. In A. Mackey &
S. Gass (Eds.), Current approaches
in second language
acquisition research:
A practical guide (pp. 304–333).
Wiley–Blackwell.
https://doi.org/10.1002/9781394259670.ch14
Plonsky, L., & Sudina, E. (2022).
Second-language strategy
instruction. In H. Mohebbi
& C. Coombe (Eds.),
Research questions in language
education and applied linguistics (pp. 249–253). Springer. https://doi.org/10.1007/978-3-030-79143-8_45
Teimouri, Y., Sudina, E.,
& Plonsky, L. (2021). What counts
as evidence?
In T. Gregersen & S. Mercer (Eds.),
The Routledge handbook of the
psychology of language learning
and teaching (pp. 378–390).
Routledge.
https://doi.org/10.4324/9780429321498-34

Book Chapters & Encyclopedia Entries

Plonsky, L., Norris, J., Hu, Y., Sudina, E., & Oswald, F. L. (2026). Meta-analysis. In C. Chapelle & Z. Li (Eds.), The Encyclopedia of Applied Linguistics (2^nd ed.). Wiley–Blackwell. https://doi.org/10.1002/9781405198431.wbeal0761.pub2
Sudina, E. (2025). Scale quality in L2 anxiety research: Issues and challenges. In R. Sparks (Ed.), Second Language Anxiety: Affective or Linguistic Variable? (pp. 255–259). Multilingual Matters. https://doi.org/10.2307/jj.30412943.25
Plonsky, L., Hu, Y., Sudina, E., & Oswald, F. L. (2023). Advancing meta-analytic methods in L2 research. In A. Mackey & S. Gass (Eds.), Current approaches in second language acquisition research: A practical guide (pp. 304–333). Wiley–Blackwell. https://doi.org/10.1002/9781394259670.ch14
Plonsky, L., & Sudina, E. (2022). Second-language strategy instruction. In H. Mohebbi & C. Coombe (Eds.), Research questions in language education and applied linguistics (pp. 249–253). Springer. https://doi.org/10.1007/978-3-030-79143-8_45
Teimouri, Y., Sudina, E., & Plonsky, L. (2021). What counts as evidence? In T. Gregersen & S. Mercer (Eds.), The Routledge handbook of the psychology of language learning and teaching (pp. 378–390). Routledge. https://doi.org/10.4324/9780429321498-34

Other Publications

Sudina, E., Quan, Y., & Ozdemir, H. (2026). Coding Scheme: Measurement and Structural Invariance in SLA. Coding scheme from “Measurement and structural invariance testing in L2 research: A methodological synthesis.” IRIS Database, University of York, UK. https://doi.org/10.48316/TJXFW-JGRY9
Quan, Y., Sudina, E. & Ozdemir, H. (2026). Testing measurement and structural invariance in L2 research: practices and reporting recommendations. OASIS Summary of Sudina, Quan & Ozdemir (In press) in Studies in Second Language Acquisition. https://www.oasis-database.org/details/a6wughbgh
Sudina, E., Bikmohammadi, M., & Plonsky, L. (2026). Online Survey: Self-Citation in Applied Linguistics. Questionnaire from “Self-citation attitudes and practices in applied linguistics: A mixed-methods study.” IRIS Database, University of York, UK. https://doi.org/10.48316/28LSE-EPYCB
Kostromitina, M., Sudina, E., & Baghlaf, E. (2025). Coding Scheme: L2 Pronunciation Methodological Synthesis. Coding scheme from “Study and Instrument Quality in Perception-Based L2 Pronunciation Research: A Methodological Synthesis” IRIS Database, University of York, UK. https://doi.org/10.48316/10C5S-64Ug7
Baghlaf, E., Sudina, E., & Kostromitina, M. (2025). What is the quality of studies and instruments measuring L2 accentedness, comprehensibility, and intelligibility? Insights from a synthesis. OASIS Summary of Kostromitina, Sudina, & Baghlaf (in press) in Studies in Second Language Acquisition. https://oasis-database.or g
Sudina, E. (2023). The quality of second-language anxiety and willingness to communicate questionnaires. OASIS Summary of Sudina (2023) in Studies in Second Language Acquisition. https://oasis-database.org
Sudina, E. (2022). Study and scale quality in second-language survey research: The case of anxiety and willingness to communicate. [Unpublished doctoral dissertation]. Northern Arizona University, Flagstaff, AZ.
Sudina, E., & Plonsky, L. (2021). Language-learning grit during the pandemic: The case of L2 Spanish and French. OASIS Summary of Sudina & Plonsky (2021) in The Modern Language Journal. https://oasis-database.org
Sudina, E. (2021). Questionnaire quality in L2 research. OASIS Summary of Sudina (2021) in Language Learning. https://oasis-database.org
Sudina, E. (2021). Coding scheme. Materials from “Study and scale quality in second language survey research, 2009–2019: The case of anxiety and motivation”. IRIS Database, University of York, York, UK. https://doi.org/10.48316/t20e-yc78
Sudina, E., & Plonsky, L. (2020). Measuring grit in language teachers. OASIS Summary of Sudina, Vernon, Foster, et al. (2021) in TESOL Quarterly.
Sudina, E. (2019, September). APA tips for the unfamiliar. Interdisciplinary Writing Program & the University Writing Commons.
Sudina, E. (2019, May). [Review of the book TBLT as a researched pedagogy.] The Linguist List.

﻿Jour﻿nal Articles

﻿Jour﻿nal Articles

Journal Articles

Journal Articles