Academic Background

since 10/2025	Postdoctoral researcher at the Department of English and American Studies at the University of Potsdam and Research Associate at the Leibniz Institute for the German Language
2024-2025	Interim Professor (Present-Day English Language and Linguistics), Department of English and American Studies, University of Potsdam
11/2025	Research Fellow at the Department of Language and Communication Studies, University of Jyväskylä, Finland
2022-2024	Postdoctoral researcher at the Chair "Present-Day English Language and Linguistics", Department of English and American Studies, University of Potsdam
2020-2022	Interim Professor (Present-Day English Language and Linguistics) (Part-time), Department of English and American Studies, University of Potsdam
2019-2020	Postdoctoral researcher at the Chair "Present-Day English Language and Linguistics", Department of English and American Studies, University of Potsdam
2025-2019	Assistant Professor in English as a Foreign Language, Department of Languages, University of the Sinos River Valley (UNISINOS), São Leopoldo, Brazil
2011-2015	Doctoral studies at the Applied Linguistics Department at the University of the Sinos River Valley (UNISINOS), São Leopoldo, Brazil / Pennsylvania State University, State College, USA; Ph.D. Scholarship holder of CAPES foundation (Brazilian Ministry of Education) Evaluation committee: Prof. Dr. Ana Maria de Mattos Guimarães (UNISINOS); Prof. Dr. Anna Cristina Ostermann (UNISINOS); Prof. Dr. Joan Kelly Hall (Pennsylvania State University)  Approved with Grade 10 (equivalent to Summa Cum Laude) Dissertation title: “The interactional trajectory of English-as-a-foreign-language teaching: from the instructional project to contingent participations in the classroom”
2008-2010	M.A. Program in Applied Linguistics at the University of the Sinos River Valley (UNISINOS), São Leopoldo, Brazil; Scholarship holder of CAPES foundation (Brazilian Ministry of Education)
2001-2006	B.A. Program Portuguese and English Linguistics and Literature at the University of the Sinos River Valley (UNISINOS), São Leopoldo, Brazil

Areas of Research

• Conversation Analysis
• Interactional Linguistics
• Grammar of spoken English
• Syntax and embodiment 
• Multimodality 
• Argument structure 
• Technology-mediated interaction 
• Gestures 
• Second language acquisition/teaching 
• Interactional competence in an additional Language
• Classroom interaction 
• Longitudinal studies 
• Interactional histories

Teaching

• Social interaction
• Ethnomethodological Conversation Analysis
• Interactional Linguistics
• Second language acquisition/teaching
• Discourse particles 
• Technology-mediated interaction
• Classroom discourse 
• Microanalysis of mobile messaging chats
• Longitudinal analysis
• Multimodality
• Classroom interaction
• Language policy
• Syntax  
• Text and discourse 
• Usage-based theories of second language acquisition 
• Introduction to linguistics

Publications and Presentations

Publications
Gubina, A. & Malabarba, T. (forthcoming). When experts stumble: Responding to L2 learners' language-related actions. Classroom Discourse

Malabarba, T. & Nguyen, H. t. (forthcoming). Interactional competence development at the lingua franca workplace: Changes in small talk practices by hotel staff members. In Filliettaz, L., E. Berger., A-S., Horlacher & A. C. Ticca (Eds.), Developing interactional competences in work and training contexts, Springer.

Malabarba, T. & Nguyen, H. (2026). From repair to humor: L2 users’ interactional competence at the workplace. Proceedings of the 9^th CAN Asia Symposium on Second Language Interaction.

Nguyen, H. t. & Malabarba, T. (2026). Conversation analysis and longitudinal studies. In T. Greer & M. Burdelski (Eds.), The Routledge handbook of conversation analysis. Routledge.

Malabarba, T. & Betz, E. (2026). The Inversion Gesture in Video-Mediated L2 German Teaching: Enabling Students to Address Linguistic Trouble on the Fly. In T. Oittinen and U. Balaman (Eds.). Conversation Analytic Research on L2 Video-Mediated Interaction. Routledge.

Nguyen, H. & Malabarba, T. (2025). Interactional Competence Development as Task-Oriented Language Socialization. Special Issue “Becoming a member in social worlds: How learning and socialization interface in L2 interactions” (Eds. Klara Skogmyr Marian and Simona Pekarek Doehler), Language, Interaction, Acquisition 16(1). https://doi.org/10.1075/lia.23044.ngu

Nguyen, H. & Malabarba, T. (2024). Developing Interactional Competence at the Workplace: Learning English as a Foreign Language on the Shop Floor. Routledge.

Betz, E., Malabarba, T. & Barth-Weingarten, D. (2023). Describing and Assessing Interactional Competence in a Second Language (Special Issue). Applied Pragmatics, 5(2).

Malabarba, T. & Betz, E. (2023). Describing and Assessing Interactional Competence in a Second Language: Introduction to the Special Issue. Applied Pragmatics, 5(2), 121–141. https://doi.org/10.1075/ap.5.2

Malabarba, T. (2022). Requesting on WhatsApp: The interplay of interactional competence and deontics in English as an additional language. TESOL in Context, 30(2), 35–62. https://doi.org/10.21153/tesol2022vol30no2art1516

Malabarba, T.; Mendes, A.C.O. & de Souza, J. (2022). Multimodal Resolution of Overlapping Talk in Video-Mediated L2 Instruction. Languages, 7(2), 154, 1–22. https://doi.org/10.3390/languages7020154

Fenner, C.; Gostrer, G.; Heiden, L.; Malabarba, T. & Schirm, S. (2022). Report on the first International Summer Institute for Interactional Linguistics at the IDS Mannheim, 18^th – 23^rd of July 2022. Gesprächsforschung – Online-Zeitschrift zur verbalen Interaktion, 23, 321–329.

Malabarba, T. & de Souza, J. (2021). ‚I’ll tell you a secret’: socialization into oral social practices in elementary school whole group interaction. Revista da ABRALIN, 20(3), 1595–1619. https://doi.org/10.25189/rabralin.v20i3.1962

Skogmyr Marian, K.; Malabarba, T. & Weatherall, A. (2021). Multi-unit turns that begin with a resaying of a prior speaker’s turn. Language and Communication, 78, 77–87. https://doi.org/10.1016/j.langcom.2021.01.004

Malabarba, T. (2019). ’In English, sorry’: Participants' Orientation to the English-only policy in Beginning-level EFL Classroom Interaction. In: H. Nguyen & T. Malabarba (Eds.), Conversation analytic perspectives on English language learning, teaching and testing in global contexts, 244–276. Bristol, UK: Multilingual Matters.

Malabarba, T. & Nguyen, H. (2019). Using Conversation Analysis to understand the realities of English-as-a-Foreign-Language Learning, Teaching, and Testing. In: H. Nguyen & T. Malabarba (Eds.), Conversation analytic perspectives on English language learning, teaching and testing in global contexts, 1–30. Bristol, UK: Multilingual Matters.

Sayer, P.; Malabarba, T. & Moore, L. (2019). Teaching English in marginalized contexts: Constructing Relevance in an EFL Classroom in Rural Southern Mexico. In: H. Nguyen & T. Malabarba (Eds.), Conversation analytic perspectives on English language learning, teaching and testing in global contexts, 268–294. Bristol, UK: Multilingual Matters.

Hall, J. K.; Malabarba, T. & Kimura, D. (2019). What’s Symmetrical?: A Teacher’s Cooperative Management of Learner Turns in a Read-Aloud Activity. In: J. K. Hall & S. Looney (Eds.), The Embodied Work of Teaching. Bristol, 37–56. UK: Multilingual Matters.

Malabarba, T. (2016). O trabalho docente e sua profissionalidade: do projeto de ensino às participações contingents [The work of teaching and its professionality: From the pedagogical project to the contingent participations]. In: A. M. M. Guimarães, A. Carnin & D. Cafiero Bicalho (Eds.), Formação e trabalho docente: múltiplos olhares para o ensino de língua maternal, 117–143. Campinas: Pontes Editores.

Invited lectures and workshops (last 5 years)
Malabarba, T. What can longitudinal conversation analysis tell us about language learning? Keynote talk, 6^th International Conference Thinking, Doing, Learning, University of Groningen, Netherlands. October 2026. (scheduled)

Malabarba, T. Doing Longitudinal Conversation Analysis of L2 Learning, 2h-Workshop at the GAL Research School “Interaction und gesprochene Sprache im Kontext von Deutsch als Fremd- und Zweitsprache”, University of Leipzig, Germany. September 2026. (scheduled)

Malabarba, T. Stance management and agency at the workplace: a longitudinal analysis, Guest lecture at the Higher seminar in Research on Bilingualism, Center for Research on Bilingualism, Stockholm University. May 2026. (scheduled)

Malabarba, T. Transitions in classroom interaction: a multimodal account, Presentation at the Conversation and Interaction Seminar (Samtals- och Interaktionsseminariet, SIS), Linköping University, Sweden. May 2026. (scheduled)

Malabarba, T. Remembering as normative expectation: assistance on prior learnables in video-mediated L2 conversations for learning.  First meeting of the DFG scientific network “Uncooperativeness and Second Language Acquisition: Conversation Analytic Perspectives”, Mannheim. March 2026.

Deppermann, A., & Malabarba, T. The multimodal configuration of elliptical formats. First meeting of the project Syntax and the Body, Trondheim, Norway. December 2025.

Malabarba, T. Doing Longitudinal Conversation Analysis: What Now and Why Not Earlier?, 3h-Workshop, Department of Language and Communication Studies, University of Jyväskylä, Finnland. November 2025.

Malabarba, T. & Schirm, S. Longitudinale Untersuchung von L2 Erwerb in der Interaktion, 2,5-Workshop at the 24. Arbeitstagung zur Gesprächsforschung, Leibniz-Institut für Deutsche Sprache (IDS), Mannheim, Germany. March 2025. 

Malabarba, T. L2 Development at the Workplace: How Social Interaction can Shape Language Learning, Guest lecture at Universidad Austral de Chile, Valdivia, Chile. November 2024.

Malabarba, T. Tracking changes in interactional practices over time using conversation analysis, 3-h Worshop, Universidad Austral de Chile, Valdivia, Chile. November 2024.

Malabarba, T. & Nguyen, H. t. Tracking changes in interactional practices over time using conversation analysis, 2h-Workshop (with Hanh thi Nguyen) at the International symposium “Analyzing and developing interactional competences in work and training contexts: a longitudinal perspective”, University of Geneva, Switzerland. June 2024.

Malabarba, T. Stance and agency in competence development at the workplace: Managing hotel guests’ perspectives over time, Guest lecture at the International symposium “Analyzing and developing interactional competences in work and training contexts: a longitudinal perspective”, University of Geneva, Switzerland. June 2024.

Malabarba, T. Embodied other-initiated repair in L2 German video-mediated interaction, Presentation at the Seminar on other-initiated repair in interaction (organized by Niina Lilja), Tampere University, Finland. May 2024.

Malabarba, T. Interactional infrastructure as affordances for L2 development at the workplace, Guest lecture at the Research Forum for Interaction and Learning, Stockholm University (online event). April 2024.

Malabarba, T. Interactional competence at the workplace: tracking changes over time in the design of informing turns, Guest lecture at the Applied Linguistics & Communication Seminar Series, Newcastle University, UK. April 2024.

Malabarba, T. Interactional competence at the workplace: tracking changes in turn design over time, Guest lecture at the Federal University of Minas Gerais, Brazil (online event). December 2022.

Malabarba, T. “How’s life treating you”: a longitudinal study of openings in transmodal chat interactions of multilingual tandem partners, Presentation at the Linguistic Lecture Series, Centre –Language - Variation- Multilingualism, University of Potsdam (hybrid event). November 2022.

Malabarba, T. Crafting language opportunities: the multimodal resolution of overlap in video-mediated EFL instruction, Guest lecture at the Hawaii Pacific University, USA (online event). October 2022.

Malabarba, T. L2 learning in text-based tandem interaction, Presentation at the Colloquium “interactional competence and L2 grammar-in-interaction” (organized by Simona Pekarek Doehler), University of Neuchâtel, June 2022.

Malabarba, T. A organização multimodal de interações-para-aprendizagem mediadas por vídeo [The multimodal organization of video-mediated interactions-for-learning] (Invited talk), Federal University of Minas Gerais, Brazil (online event). August 2021.

Malabarba, T. Disfluency markers or interactional resources?: Comments from a CA-SLA perspective on Xiaoting Li “Beyond a filler: managing progressivity and stance with na(-ge) shenme ‘that what’ in Mandarin conversation”. Perspectives on Interactional Linguistics (farewell symposium for Margret Selting). University of Potsdam, Germany (online conference). March 2021.

Malabarba, T. Interactional Linguistics: Basic and Applied?, Final discussion. Perspectives on Interactional Linguistics (farewell symposium for Margret Selting). University of Potsdam, Germany (online conference). March 2021.