Time

Thursday (1 Oct. 2026)

Room

09:00-12:00

Monique Verhoeven (Utrecht University), Vera Schuurmans (Firda):

Pre-Conference

Ballroom

12:00-13:00

Break

13:00-14:00

Registration

Foyer

14:00-14:30

Thomas Hoffmann (Humboldt University of Berlin): Welcome

Ballroom

14:30-15:30

Sanne Akkerman (Utrecht University): Keynote: Movement, Interest and Education in Accelerated Times

Ballroom

15:30-16:00

Coffee Break

Banquet Hall

16:00-17:30

Parallel Sessions I (A1-A3)

16:00-17:30

A1 Methodological Aspects (Chair: Marco Mazereeuw)

R144

4855 – Menno Wierdsma (Firda, Zuidlaren):

A CL with a heterogenous coalition of education institutes and circular businesses: how to use mirror data to invite participants into analyzing their activity systems? (Workshop)

4860 – Ines Langemeyer (Karlsruhe Institute of Technology):

What are holistic explanations – advantages and critique

16:00-17:30

A2 Technological Acceleration (Chair: Monique Verhoeven)

R122

4892 – Irina Valentin (KINERGIA International Institute of Resilience and Human Development, Toronto):

Acceleration Without Inheritance: AI, Development, and Alienation in Activity Systems

4868 – Maria Guadalupe Ramirez, Daniel Hürzeler, Judith Hangartner (PH Bern):

Strategies for activating expansive learning in the context of technology-led acceleration (Workshop)

4896 – Daniel Hürzeler, María Guadalupe Ramírez, Judith Hangartner (PH Bern):

Platform-driven acceleration of activity systems in Swiss primary schools (Workshop)

16:00-17:30

A3 Education & Empowerment (Chair: Stefanie Müller)

R220

4863 – Paulina Rantavuori (Tampere University), Yrjö Engeström (University of Helsinki):

What Can School Give? Empowering Students to Take Ownership of Their Own Learning

4871 – Nynke Anna Varkevisser (NHL Stenden University of Applied Sciences):

School advisers crossing boundaries between policy and school practice

4870 – Mayke Vereijken, Jereon Vermeulen, Sanne Akkerman (Utrecht University):

University education in and with the world: Transformative processes in Community Engaged Education

17:30-18:00

Coffee Break

Banquet Hall

18:00-18:45

Poster Walk (Chair: Vera Schuurmans)

Ballroom

4844 – Ruth Frans (Erasmus University Rotterdam), Lysanne te Brinke (Erasmus University Rotterdam), Arjen de Vetten (Leiden University):

Between performance and meaningful development: reframing the object of schooling through a Change Laboratory

4849 – Arjen de Vetten, Marije Schneider, Indira Day (Leiden University):

Centuries old and still going strong? Transforming a large bachelor of law curriculum using a Change Laboratory

4852 – Ilona van Heijst (University of Amsterdam):

Deceleration in accelerated school activity systems: Towards a conceptualization of inquiry and change through CHAT

4875 – Georgios Koutsogiannis, Maolis Dafermos (University of Crete):

Psychological Systems and Adolescence: Rethinking Personality Development Dialectically within Cultural-Historical Theory

4880 – Bianca Dusseljee (Firda, Leeuwarden):

A joint project of becoming – Guiding professional development in situations of uncertainty and transformation

4888 – Benjamin Roth (Goethe University Frankfurt):

How AI affects us cognitively and socially – a literary study about Dietmar Dath

4889 – Benjamin Roth (Goethe University Frankfurt):

Learning and Development in today's German highschools – a case study about acceleration, alienation, AI and participation

4880 – Bianca Dusseljee (Firda, Leeuwarden):

A joint project of becoming – Guiding professional development in situations of uncertainty and transformation

18:45-21:00

Open Space (Chair: Marco Mazereeuw)

 & Evening Reception

Ballroom

Friday (2 Oct. 2026)

08:45-09:00

Welcome 2^nd Day

Ballroom

09:00-10:30

Parallel Sessions II (B1-B4)

09:00-10:30

B1 Youth & Adolescence (Chair: Ellen Brodesser)

R144

4843 – Marijn Neuman-Sjonger (Firda Leeuwarden), Marco Mazereeuw (NHL Stenden University of Applied Sciences), Monique Volman (University of Amsterdam):

Coaching Young Adults from Vulnerability to Vocation: Double Stimulation in Practice

4872 – Indy Joosten (University of Amsterdam), Sanne Akkerman, Monique Volman, Monique Verhoeven (Utrecht University):

Qualities of adolescents’ out-of-school interest-based learning processes: a literature review

09:00-10:30

B2 Cultural Tools (Chair: Stefanie Müller)

R122

4840 – Galina Novikova (Alferov Federal State Budgetary Institution of Higher Education and Science Saint Petersburg National Research Academic University of the Russian Academy of Sciences):

Comics as Cultural Tools for Mediating Learning Tasks: Temporality and Intersubjectivity in Developmental Instruction

4882 – Gillian Horribine (University of Dundee):

Tuning in to Development: Exploring Podcast Learning as a Tool for Professional Community Through a CHAT Lens (Workshop)

4853 – Menno Wierdsma (Firda, Zuidlaren):

Artful play for transformation: An exploration of how arts and play may be employed to share transformative episodes and invite others in taking a transformative activist stance (Workshop)

09:00-10:30

B3 Acceleration & Learning (Chair: Vera Schuurmans)

R220

4891 – Daniele Morselli, Beate Weyland (Free University of Bolzano):

Implementing a New Model in an Accelerated Activity System: Expansive Learning and the Role of Newcomers in a Kindergarten After a Change Laboratory

4883 – Christel Manske (Hamburg):

The significance of Vygotsky’s approach to children’s development and learning

4890 – Peter Rödler (Universität Koblenz):

Acceleration or Stagnation – Theses on the ‘End of History’

09:00-10:30

B4 Symposium: Meaning & Alienation in Soviet CHAT (Chair: Sascha Freyberg)

Ballroom

4878 – Sascha Freyberg (University of Hamburg):

Abstraction, Play and Alienation: A Historical-Epistemological Reading of the Soviet Activity Approach

4877 – Keti Chukhrov (Stuttgart State Academy of Art and Design):

Disalienation: Vygotsky’s Enigma of Internal Speech as Thought without Language

4873 – Lena Kreymann (Berlin):

The psychological catastrophe and how to escape it: (Inter)subjectivity, sense, and meaning in Leontiev

10:30-11:00

Coffee Break

Banquet Hall

11:00-12:30

Parallel Sessions III (C1-C3)

11:00-12:30

C1 Change Laboratories (Chair: Ellen Brodesser)

R144

4881 – Brett Bligh (Lancaster University):

Developing Expansive Learning in Doctoral Education: Online Change Laboratory Projects-in-Miniature

4858 – Marije Schneider, Arjen de Vetten (Leiden University):

Shortened Change Laboratories, Limited Transformation?

4854 – Rene Streutker, Siebrich de Vries, Marco Mazereeuw (NHL Stenden University of Applied Sciences & University of Groningen), Thomas Teekens (University of Groningen):

Combining Mixed Method Social Network Analysis and CHAT to better understand Change Labs and their interaction with the broader surrounding organization

11:00-12:30

C2 Alienation & Marginalization (Chair: Jan Steffens)

R122

4885 – Naisan Raji (Haus der Volksarbeit e.V., Frankfurt am Main):

“This could just as well be Section 35a” - Legalistic fragmentation and alienation in child and youth welfare

4851 – Stefan Schuster (University of Erfurt):

Alienation and Development. An Attempt to Intertwine the Concept of Alienation with Cultural-Historical Theory

4876 – Jan Steffens (Universität Bremen):

Intersubjectivity, resonance and emotion: A cultural-historical view on
sense making as time-spacial coupling

11:00-12:30

C3 School & Teaching (Chair: Hendrik Wiese)

R220

4850 – Monique Volman (University of Amsterdam):

Learning to contribute to a better future; how schools can support young people’s transformative agency

4846 – Gülsüm Arserim (Hakkari University):

Teaching in Bilingual Classrooms: An Examination of Pre-Service Teachers’ Classroom Experiences in The Context Of Perezhivanie

4856 – Fardau Visser (NHL Stenden University of Applied Sciences):

Tensions in the Enactment of Minority Language Education Policy

12:30-13:30

Snack Break

Banquet Hall

13:30-14:30

Parallel Sessions IV (D1-D3)

13:00-14:30

D1 Transformation Agency (Chair: Monique Verhoeven)

R144

4848 – Monique Verhoeven, Milou Munsters, Marije van Braak, Kila van der Starre, Ralph Meulenbroeks, Jimmy van Rijt, Marijke de Belder (Utrecht University):

How to diminish teacher shortages in secondary education? Exploring the role of undergraduate programs in promoting or discouraging the teaching profession.

4842 – Tammo Breedveld (Amsterdam):

Why CHAT's Best-Kept Secret Stays Secret: The Material|Conceptual Contradiction in Activity Theory's Tools

13:00-14:30

D2 Inequality (Chair: Thomas Hoffmann)

R122

4861 – Vincent Grosstephan, Eva Werndorfer, Christine Felix (Aix-Marseille Université), Yannick Lémonie (CRTD - CNAM Paris):

Acting Without a Clear Object : Frontline work in Educational Inequality

4859 – Albert Walsweer, Frans Hiddink (NHL Stenden University of Applied Sciences):

The impact of a multi-layer curriculum transformation: from policy implementation to policy enactment

13:00-14:30

D3 Teacher Agency (Chair: Hendrik Wiese)

R220

4857 - Adriaan H.L. Walpot (Utrecht University), Larike Bronkhorst, Monika Louws, Jan van Tartwijk (De Werkplaats Kindergemeenschap):

Students and teachers regaining trust and meaning in schooling activity through Transformative Agency.

4874 – Arda Oosterhoff (NHL Stenden University of Applied Sciences):

Teacher agency in an automated social world: what might that look like?

14:30-15:00

Review, Outlook, Farewell – Jan Steffens (Universität Bremen), Thomas Hoffmann (HU Berlin)

Ballroom