Aida, Y. (1994). Examination of Horwitz, Horwitz, and Cope’s construct of foreign language anxiety: The case of students of Japanese. The Modern Language Journal, 78(2), 155–168.
Alghamdi, A. M. (2020). The effects of synchronous and asynchronous online communication on EFL learners’ speaking anxiety and speaking performance. Journal of Language Teaching and Research, 11(6), 895–903.
Alpert, R., & Haber, R. N. (1960). Anxiety in academic achievement situations. The Journal of Abnormal and Social Psychology, 61(2), 207–215.
Belhiah, H., & Elghotmy, N. E. M. (2020). Investigating the impact of online instruction on EFL learners’ speaking proficiency and anxiety during COVID-19 pandemic. English Language Teaching, 13(10), 50–65.
Botes, D. L. C., & Rohwerder, T. (2020). Language anxiety and performance in a virtual learning environment. Open Praxis, 12(3), 307–321.
Braun, V., & Clarke, V. (2006). Using thematic analysis in psychology. Qualitative Research in Psychology, 3(2), 77–101.
Brown, G., & Yule, G. (2000). Discourse analysis. Foreign Language Teaching and Research Press.
Brown, H. D. (2007). Teaching by principles: An interactive approach to language pedagogy (3rd ed.). Pearson Education.
Brown, J. D., & Abeywickrama, P. (2010). Language assessment: Principles and classroom practices (Vol. 32). Pearson Education.
Cheng, Y., Horwitz, E. K., & Schallert, D. L. (1999). Language anxiety: Differentiating writing and speaking components. Language Learning, 49(3), 417–446.
Cohen, Y., & Norst, M. J. (1999). Fear, independence, and loss of self-esteem: Affective barriers in second language learning among adults. RELC Journal, 20, 61–77.
Creswell, J. W. (2014). A concise introduction to mixed methods research. Sage Publications.
Cronbach, L. J. (1951). Coefficient alpha and the internal structure of tests. Psychometrika, 16(3), 297–334.
Cucu Sutarsyah, P. (2017). The contributions of speaking anxiety and speaking proficiency towards oral performance in classroom interaction. English Language Teaching, 11(2), 128–137.
DeVellis, R. F. (2017). Scale development: Theory and applications (Vol. 26). Sage Publications.
Dewaele, J.-M. (2020). On the dynamics of language anxiety in multilinguals. Sociolinguistic Studies, 14(1), 81–102.
Elkhafaifi, H. (2005). Listening comprehension and anxiety in the Arabic language classroom. The Modern Language Journal, 89(2), 206–220.
Ellis, R. (1994). The study of second language acquisition. Oxford University Press.
Ellis, R. (2008). Principles of instructed language learning. Asian EFL Journal, 10(3), 209–224.
Gardner, R. C. (1985). Social psychology and second language learning: The role of attitudes and motivation. Edward Arnold.
Gardner, R. C., & MacIntyre, P. D. (1991). Methods and results in the study of anxiety and language learning: A review of the literature. Language Learning, 41, 85–117.
Garrison, D. R., Anderson, T., & Archer, W. (2000). Critical inquiry in a text-based environment: Computer conferencing in higher education. The Internet and Higher Education, 2(2–3), 87–105.
Gregersen, T., & Horwitz, E. K. (2002). Language learning and perfectionism: Anxious and non-anxious language learners’ reactions to their own oral performance. The Modern Language Journal, 86(4), 562–570.
Hallgren, K. A. (2012). Computing inter-rater reliability for observational data: An overview and tutorial. Tutorials in Quantitative Methods for Psychology, 8(1), 23.
Hammad, M. A. (2020). The effectiveness of collaborative learning in developing oral communicative competence and reducing speaking anxiety for EFL learners in online classes during COVID-19. Asian EFL Journal, 27(4), 204–222.
Hammer, J. (2001). The practice of English language teaching (3rd ed.). Longman.
Horwitz, E. K. (2001). Language anxiety and achievement. Annual Review of Applied Linguistics, 21, 112–126.
Huang, H., & Liu, M. (2019). The effects of role-play on EFL learners’ oral proficiency and anxiety. International Journal of English Linguistics, 9(5), 104–113.
Huang, R. (2020). Research into the application of virtual reality technology in college English oral teaching under the new media environment. English Language Teaching, 13(1), 97–105.
Irzawati, I., & Hasibuan, A. (2020). Speaking anxiety and students’ oral performance. Journal of English Language Teaching, 9(2), 1–13.
Kallio, H., Pietilä, A. M., Johnson, M., & Kangasniemi, M. (2016). Systematic methodological review: developing a
framework for a qualitative semi‐structured interview guide. Journal of advanced nursing, 72(12), 2954-2965.
Kang, D. J. (2005). Dyadic interaction in group oral assessment tasks: How does it help students improve their oral ability? Language Testing, 22(3), 347–366.
Kang, O. (2020). Exploring EFL learners’ anxiety in synchronous online speaking classes during COVID-19 pandemic. Journal of Educational Technology and Language Learning, 2(2), 1–10.
Kao, G. Y. M., & Craigie, P. (2020). Reducing second language speaking anxiety through four-stage dynamic assessment with an adaptive diagnostic tool. Language Learning Journal, 44(4), 481–497.
Kervin, L. K. (2012). Methods for language teaching. Cambridge University Press.
Khodadady, E., & Khajavy, G. H. (2013). Exploring the role of anxiety and motivation in foreign language achievement: A structural equation modeling approach. Porta Linguarum Revista Interuniversitaria de Didáctica de las Lenguas Extranjeras, 20, 269–286. https://doi.org/10.30827/Digibug.20240
Kim, Y. (2018). Reliability of rating scale. Korea University. Retrieved April 11, 2022, from https://www.korea.ac.kr/korea/korea/contents.do?mc=CNT17_02_04_01&mi=1726&cateId=cate1450
Kitano, K. (2001). Anxiety in the college Japanese language classroom. The Modern Language Journal, 85(4), 549–566.
Kormos, J., & Dörnyei, Z. (2014). The interaction of complex variables in second language acquisition. In Z. Dörnyei, P. D. MacIntyre, & A. Henry (Eds.), Motivational dynamics in language learning (pp. 225–247). Multilingual Matters.
Kormos, J., & Dörnyei, Z. (2004). The interaction of linguistic and motivational variables in second language task performance. Zeitschrift für Interkulturellen Fremdsprachenunterricht, 9(2), 1–18.
Krashen, S. (1982). Principles and practice in second language acquisition. Pergamon.
Le, J. (2004). Affective characteristics of American students studying Chinese in China: A study of heritage and non-heritage learners’ beliefs and foreign language anxiety (Unpublished doctoral dissertation). The University of Texas, Austin.
Liu, M. (2006). Anxiety in oral English classrooms: A case study in China. TESL-EJ, 9(3), 1–13.
MacIntyre, P. D., & Gardner, R. C. (1994). The subtle effects of language anxiety on cognitive processing in the second language. Language Learning, 44(2), 283–305.
MacIntyre, P. D., & Gregersen, T. (2012). Emotions that facilitate language learning: The positive-broadening power of the imagination. Studies in Second Language Learning and Teaching, 2(2), 193–213.
MacIntyre, P. D., Baker, S. C., Clément, R., & Donovan, L. A. (2000). Sex and age effects on willingness to communicate, anxiety, perceived competence, and L2 motivation among junior high school French immersion students. Language Learning, 52(3), 537–564.
Mackey, A., & Gass, S. M. (2016). Second language research: Methodology and design. Routledge.
Mahmoodzadeh, M. (2012). Investigating foreign language speaking anxiety within the EFL learner’s interlanguage system: The case of Iranian learners. Journal of Language Teaching and Research, 3(3), 466–476.
Nunan, D. (2003). The impact of English as a global language on educational policies and practices in the Asia-Pacific region. TESOL Quarterly, 37(4), 589–613.
Phillips, E. M. (1992). The effects of language anxiety on students’ oral test performance and attitudes. The Modern Language Journal, 76(1), 14–26.
Phillips, E. M., & Zhao, H. (2018). Anxiety in foreign language communication: A meta-analysis of its impact on performance and ways of addressing it through task-based pedagogy. Journal of the European Second Language Association, 2(1), 1–14.
Rababah, G. (2002). Communication problems facing Arab learners of English. Journal of Language and Learning, 3(1), 180–197.
Radzuan, N. R. M., & Kaur, S. (2010). A survey of oral communication apprehension in English among ESP learners in an engineering course. English for Specific Purposes World, 10(31), 168–182.
Salehi, M., & Marefat, F. (2014). Foreign language anxiety of Iranian EFL learners. Procedia-Social and Behavioral Sciences, 98, 891–898.
Scovel, T. (1978). The effect of foreign language learning: A review of the anxiety research. Language Learning, 28(1), 129–142.
Shabani, K. (2016). The significance of Piaget’s theory in second language education. Journal of Language Teaching and Research, 7(5), 1008–1014.
Sila, I. (2010). Do organisational and environmental factors moderate the effects of Internet-based inter-organizational systems on firm performance? European Journal of Information Systems, 19(5), 581–600.
Skehan, P. (1998). A cognitive approach to language learning. Oxford University Press.
Teimouri, Y., Goetze, J., & Plonsky, L. (2019). Second language anxiety and achievement: A meta-analysis. Studies in Second Language Acquisition, 41(2), 363–387.
Thomson, R. I., & Derakhshan, A. (2016). Motivation and language anxiety in UK EAP. Language Learning Journal, 44(4), 481–497.
Trang, T. T., Baldauf, R. B., & Moni, K. (2012). Foreign language anxiety and its effects on students’ performance: A review of literature. TESOL Quarterly, 46(2), 263–277.
Tsiplakides, I., & Keramida, A. (2009). Helping students overcome foreign language speaking anxiety in the English classroom: Theoretical issues and practical recommendations. International Education Studies, 2(4), 39–44.
Woodrow, L. (2006). Anxiety and speaking English as a second language. RELC Journal, 37(3), 308–328.
Wu, W. (2018). The influence of self-esteem and language anxiety on Chinese learners’ willingness to communicate in English. System, 74, 149–159.
Yaikhong, K., & Usaha, S. (2012). A measure of EFL public speaking class anxiety: Scale development and preliminary validation and reliability. English Language Teaching, 5(12), 23–35.
Yang, M. (2020). The impact of COVID-19 on foreign language education: Challenges and opportunities. Journal of Education and Practice, 11(13), 1–7.
Yin, L., & Zhang, S. (2021). The Effects of task-based language teaching on EFL learners’ speaking anxiety and performance in online learning. International Journal of Instruction, 14(1), 617–634.
Young, D. J. (1991). Creating a low-anxiety classroom environment: What does language anxiety research suggest? The Modern Language Journal, 75(4), 426–439.
Young, D. J. (2007). Language anxiety from the foreign language specialist’s perspective: Interviews with Krashen, Omaggio Hadley, Terrell, and Rardin. Foreign Language Annals, 29(1), 95–114.
Young, D. J. (2007). The relationship between anxiety and foreign language oral proficiency ratings. Language Learning, 57(4), 593–626.
Zhang, R., & Zou, D. (2020). Types, purposes, and effectiveness of state-of-the-art technologies for second and foreign language learning. Computer Assisted Language Learning, 33, 1–47.
Zhang, S. (2009). The role of input, interaction, and output in the development of oral fluency. English Language Teaching, 2(4), 91–100.