[1] A. Hughes, Testing for language teachers. Cape Town: Cambridge University Press, 2003.
[2] C. Nick, “The psychology of foreign language vocabulary acquisition: Implications for CALL,†Computer Assisted Language Learning 8, pp. 103-128, 1995.
[3] D. M. Ma, “The characteristics of expository oral pauses in English majors and their correlation with oral performance,†Foreign Languages and Foreign Language Teaching 3, pp. 42-48, 2014.
[4] F. Chambers, “What do we mean by fluency?†System 25(4), pp. 535ï¼544, 1997.
[5] F. Goldman-Eisler, Psycholinguistics: Experiments in spontaneous speech. New York: Academic Press, 1968.
[6] H. Y. Miu, “Pauses in the production of second language spoken non-fluency,†Journal of the PLA Institute of Foreign Languages 4, pp. 56-60, 2009.
[7] J. Kormos, Speech production and second language acquisition. Routledge, 2014.
[8] J. Yan, and B. L. Howard. “Student leadership displayed in an active flipped learning stem course compared to a non-active flipped learning stem course.†Journal of Research in Higher Education, 2(2), pp. 23-38, 2019.
[9] J. Yan, K. J. Wen, and L. Li, “Effects of Summer Transportation Institute on Minority High School Students’ Perception on STEM Learning,†Journal of STEM Education: Innovations & Research, 20(2), pp. 58-64, 2020.
[10] J. Yan, L. Li, J. J. Yin, and Y. J. Nie, “A Comparison of Flipped and Traditional Classroom Learning: A Case Study in Mechanical Engineering,†International Journal of Engineering Education, 34(6), pp. 1876-1887, 2018.
[11] J. Yan, S. Liu, C. Armwood-Gordon, and L. Li, “Factors affecting Active Flipped Learning on Underrepresented students in Three STEM Courses.†Educ Inf Technol, 2023.
[12] J. Yang, “A review of the research on the output of oral non-fluency,†Foreign Languages and Foreign Language Teaching 4, pp. 278-284+321, 2004.
[13] L. Temple, “Memory and processing modes in language learner speech production,†Monographies 30 (1-2), pp. 75-90, 1997.
[14] M. Raupach, Temporal variables in first and second language speech production. New York: Mouton, 1980.
[15] N. Ellis, “Contrast validity: Constructive representation versus nomothetic span,†Psychological Bulletin 93, pp. 179-197, 1995.
[16] N. H. De Jong, R. Groenhout, R. Schoonen, and J. H. Hulstijn, “Second language fluency: speaking style or proficiency? Correcting measures of second language fluency for first language behavior,†Applied Psycholinguistics 36(21), pp. 223-243, 2015.
[17] P. Lennon, “Investigating fluency in EFL: A quantitative approach,†Language Learning 40(3), pp. 387 - 417, 1990.
[18] W. J. M., Levelt, “Monitoring and self-repair in speech,†Cognition 14(1), pp. 41-104, 1983.
[19] Y. Gao, Y. Fan, “A corpus-based comparative study of pauses in oral narration among Chinese and American college students,†Journal of the PLA Institute of Foreign Languages 4, pp. 71-75+128, 2011.