Baik, M. J. (1994). Syntactic features of Englishization in Korean. World Englishes, 13(2), 155-166.
Banerjee, J., Franceschina, F., & Smith, A. M. (2007). Documenting features of written language production typical at different IELTS band score levels. IELTS Research Reports, 7, 1-55.
Bardovi-Harlig, K. (1992). A second look at T-unit analysis: Reconsidering the sentence. TESOL Quarterly, 26, 390-395. https://doi.org/10.2307/3587016
Biber, D., & Gray, B. (2016). Grammatical complexity in academic English: Linguistic change in writing. Cambridge University Press. https://doi.org/10.1017/CBO9780511920776
Biber, D., Gray, B., &Poonpon, K. (2011). Should we use characteristics of conversation to measure grammatical complexity in L2 writing development? TESOL Quarterly, 45(1), 5-35. https://doi.org/10.5054/tq.2011.244483
Biber, D., Gray, B., & Staples, S. (2016). Predicting patterns of grammatical complexity across language exam task types and proficiency levels. Applied Linguistics, 37, 639-668. https://doi.org/10.1093/applin/amu059
Bulté, B., & Housen, A. (2012). Defining and operationalizing L2 complexity. In A. Housen, F. Kuiken, & F. Vedder (Eds.), Dimensions of L2 performance and proficiency: Complexity, accuracy and fluency in SLA (pp. 21-46). John Benjamins. https://doi.org/10.1075/lllt.32.02bul
Crossley, S. A. (2020). Linguistic features in writing quality and development: An overview. Journal of Writing Research, 11(3), 415-443. https://doi.org/10.17239/jowr-2020.11.03.01
Crossley, S. A., & McNamara, D. S. (2014). Does writing development equal writing quality? A computational investigation of syntactic complexity in L2 learners. Journal of Second Language Writing, 26, 66-79. https://doi.org/10.1016/j.jslw.2014.09.006
Hunt, K. W. (1965). Grammatical structures written at three grade levels (Research Report No. 3). National Council of Teachers of English.
IELTS (n.d.). IELTS writing band descriptors. Retrieved July 25, 2024, from https://s3.eu-west-2.amazonaws.com/ielts-web-static/production/Guides/ielts-writing-band-descriptors.pdf
Kang, O., Egbert, J., & Miao, Y. (2023). Speaking and writing features: Distinguishing IELTS proficiency levels and progression over time. IELTS Research Reports Online Series, No. 1/23.
Kim, H. (2020). Nominal modifiers in argumentative essays as discriminators for writing course placement decisions. English Teaching, 75(3), 3-24.
Kyle, K. (2016). Measuring syntactic development in L2 writing: Fine grained indices of syntactic complexity and usage-based indices of syntactic sophistication [Unpublished doctoral dissertation, Georgia State University]. https://scholarworks.gsu.edu/alesl_diss/35/
Kyle, K., & Crossley, S. A. (2015). Automatically assessing lexical sophistication: Indices, tools, findings, and application. TESOL Quarterly, 49(4), 757-786. http://doi.org/10.1002/tesq.194
Kyle, K., & Crossley, S. A. (2018). Measuring syntactic complexity in L2 writing using fine-grained clausal and phrasal indices. The Modern Language Journal, 102, 333-349. https://doi.org/10.1111/modl.12468
Kyle, K., Crossley, S., &Verspoor, M. (2021). Measuring longitudinal writing development using indices of syntactic complexity and sophistication. Studies in Second Language Acquisition, 43(4), 781-812. https://doi.org/10.1017/S0272263120000546
Lan, G., Lucas, K., & Sun, Y. (2019). Does L2 writing proficiency influence noun phrase complexity? A case analysis of argumentative essays written by Chinese students in a first-year composition course. System, 85, 102116. https://doi.org/10.1016/j.system.2019.102116
Li, Y., Lin, S., Liu, Y., & Lu, X. (2023). The predictive powers of fine-grained syntactic complexity indices for letter writing proficiency and their relationship to pragmatic appropriateness. Assessing Writing, 56, 100707. https://doi.org/10.1016/j.asw.2023.100707
Li, Y., & Yang, R. (2023). Assessing the writing quality of English research articles based on absolute and relative measures of syntactic complexity. Assessing Writing, 55, 100692. https://doi.org/10.1016/j.asw.2022.100692
Lu, X. (2010). Automatic analysis of syntactic complexity in second language writing. International Journal of Corpus Linguistics, 15(4), 474-496. https://doi.org/10.1016/j.asw.2022.100692
Lu, X. (2011). A corpus-based evaluation of syntactic complexity measures as indices of college-level ESL writers’ language development. TESOL Quarterly, 45(1), 36-62. https://doi.org/10.5054/tq.2011.240859
Lu, X. (2017). Automated measurement of syntactic complexity in corpus-based L2 writing research and implications for writing assessment. Language Testing, 34(4), 493-511. https://doi.org/10.1177/0265532217710675
Müller, A., & Han, W. (2022). IELTS Writing band scores 5.5-7.5: Grammatical error rates, stakeholder perceptions, and risk. IELTS Research Reports Online Series, No. 1/22.
Norris, J., & Ortega, L. (2009). Towards an organic approach to investigating CAF in instructed SLA: The case of complexity. Applied Linguistics, 30(4), 555-578. https://doi.org/10.1093/applin/amp044
Ortega, L. (2003). Syntactic complexity measures and their relationship to L2 proficiency: A research synthesis of college-level L2 writing. Applied Linguistics, 24(4), 492-518. https://doi.org/10.1093/applin/24.4.492
Ravid, D., & Berman, R. A. (2010). Developing noun phrase complexity at school age: A text-embedded cross-linguistic analysis. First Language, 30, 3-26. https://doi.org/10.1177/0142723709350531
Seo, N., & Oh, S. Y. (2024). Development of clausal and phrasal complexity in L2 writing: A case of argumentative essays of Korean college students. English for Specific Purposes, 73, 46-60. https://doi.org/10.1016/j.esp.2023.09.003
Taguchi, N., Crawford, W., & Wetzel, D. Z. (2013). What linguistic features are indicative of writing quality? A case of argumentative essays in a college composition program. TESOL Quarterly, 47(2), 420-430. https://doi.org/10.1002/tesq.91
Wolfe-Quintero, K., Inagaki, S., & Kim, H. Y. (1998). Second language development in writing: Measures of fluency, accuracy, & complexity. University of Hawaii Press.
Zhang, X., & Lu, X. (2022). Revisiting the predictive power of traditional vs. fine-grained syntactic complexity indices for L2 writing quality: The case of two genres. Assessing Writing, 51, 100597. https://doi.org/10.1016/j.asw.2021.100597
Zhang, Y., & Ouyang, J. (2023). Linguistic complexity as the predictor of EFL independent and integrated writing quality. Assessing Writing, 56, 100727. https://doi.org/10.1016/j.asw.2023.100727
