Bio
Dennis Reidsma is Assistant Professor at the Human Media Interaction group and Lecturer at the Creative Technology curriculum at the University of Twente.
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After obtaining his PhD in 2008 on reliability and validity aspects of large annotated multimodal corpora for machine learning, he worked with dr. Herwin van Welbergen on behaviour generation for coordinated interaction with social agents. Besides a number of high impact publications, this led to the release of AsapRealizer (formerly Elckerlyc), a state-of-the-art Open Source software platform for generating continuous interaction with Virtual Humans, social agents and robots. Currently he uses this platform to investigate the potential impact of social robots in the classroom.
Over the last five years, he also developed a research line on interactive playgrounds for play, care, and learning, through development of, and user experiments with, a number of proof-of-concept prototypes in the lab and in the wild.
In total, he has co-authored more than 70 cited papers on computational entertainment, virtual humans, corpus annotation, and related topics, among which two best paper awards and a co-authorship of the ICMI Ten-Year Technical Impact Award (Carletta et al, MLMI 2005), and one successful Medical Ethical Assessment Application (METC Twente, Study P14-08, NL48070.044.14).
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Publications
research
Social robots in the classroom
As part of the EU project EASEL, Dennis leads a multidisciplinary team that works on human-robot symbiotic interaction in learning scenarios. Together with this team he looks at behaviour generation for robots in learning, as well as the impact of interactive technology on the learning process and outcome of children in inquiry learning scenarios.
More information: http://easel.upf.edu/ and http://asap-project.org
Expressive technology for play, care, and learning
Over the past five years, Dennis worked together with a team of colleagues (most notably Robby van Delden, Ronald Poppe, and Alejandro Moreno) on a research line on “play with impact” through various projects of playful interaction in smart environments (for entertainment, education, and health & wellbeing applications). He has collaborated on the development of a number of interactive play platforms for children’s play, play for people with Profound Intellectual and Multiple Disabilities, play for gait rehabilitation, and other domains. Central theme in these projects is the potential for playful interactive technology to influence the social and physical behaviour and experience of the user.
More information: http://playwithimpact.com/
Teaching
Dennis Reidsma teaches, and coordinates modules, in the BSc programs Technical Computer Science and Creative Technology program, and plays a role in designing the new MSc program Interaction Technology. In addition, he supervises student projects in the Human Media Interaction MSc curriculum at the University of Twente, and occasionally teaches guest lectures at PhD summer schools. He completed his University Teaching Qualifications in 2015.
REVIEW AND EDITORIAL ACTIVITIES
Dennis Reidsma was co-editor of the proceedings of ACE 2012 Nepal (and demo chair), ACE 2013 Twente (program chair), INTETAIN 2009 Amsterdam (local chair), and INTETAIN 2014 Chicago (program co-chair), and has served as guest editor for several issues of the journal on Entertainment Computing (Elsevier) and the International Journal on Arts and Technology (Inderscience). He serves as Associate Editor for the Entertainment Computing journal, and reviews regularly for workshops and international conferences such as ICEC, ACE, INTETAIN, ICMI, HBU, Measuring Behavior, IVA, CASA, AAMAS, and many others.
He has been involved in the organization of the following scientific events:
- INTETAIN 2014 – Program co-chair
- ACE 2013 – Program co-chair
- ACE 2012 – Demo chair and co-editor proceedings
- ICSR 2011 – Work-in-Progress co-chair
- IVA 2011 Workshop on further development of the BML standard (co-organized with Herwin van Welbergen)
- Continuous Interaction with a Virtual Human – Project leader of a summer project as part of eNTERFACE 2010
- INTETAIN 2009 – Local chair and co-editor proceedings
INVITED TALKS AND LECTURES
- Invited 3 day workshop on Creative Design during a summer school at the University of Salford, UK, by invitation from prof. R. Bargar (2016)
- Invited presentation at “Leraren met Lef”, Parade Amsterdam, about robots in class (2016)
- Invited talk at the Care4Living seminar, about consequences and opportunities of new technology in the care sector (2015)
- Invited talk at Columbia College, Chicago, about Creative Technology (2012)
- Lectures at various summer schools for SIKS & HTI 3TU spring schools
OUTREACH AND MEDIA COVERAGE
Outreach
Dennis plays an active role in outreach activities from his research group.
He takes specific care to keep/get students from the various educational programs involved in research, by stimulating them to pursue their own ideas to the point of publishing the results in a peer reviewed paper (leading to more than 10 peer reviewed papers co-authored by students). He organises field trips for primary school children in the DesignLab of the University of Twente (several times a year), where children play with many novel technologies but at the same time contribute to interactive evaluations and the collection experimental data. Furthermore, he organizes "in the wild" and field tests with interactive technology for play and learning together with his PhD students. These tests take place at "semi-public" locations such as Hoogstraat Revalidatie (gait rehabilitation), Dichterbij (care institution for people with PIMD), various schools and daycare centers, and TETEM art gallery, plus simiar activities with BSc and MSc thesis students at, e.g., Concordia Gallery Enschede, Rijksmuseum Twenthe, and Music Therapy sessions at the ArtEZ School of Music.
Finally, he is also part of the “werkveldcommissie” (an advisory body) of the newly created Master Programme in Music Therapy at ArtEZ School of Music in Enschede.
Media coverage
Dennis’ work received quite some exposure in media (especially in the context of the EASEL, COMMIT, and GREAT projects), among which the following selection:
- 2014-10-02 AT5 https://www.youtube.com/watch?v=agyL6JmT-lc
- 2015-03-26 Radio 1 (Tikkertje 2.0 @ TETEM art gallery) http://www.eenvandaag.nl/binnenland/58395/het_nieuwe_tikkertje
- 2016-01-12 Kids day in DesignLab in various media
- TV Enschede http://www.tvenschedefm.nl/tv-enschede-nieuws-dinsdag-12-januari-2016/tvgemist/item?9StiNzdwOwCDOtW0BSQJrg==
- UT Nieuws http://www.utnieuws.nl/nieuws/62423/Winwinsituatie_in_DesignLab
- TV Oost https://www.youtube.com/watch?v=qb9wMeZ4lzA
- Radio oost http://www.rtvoost.nl/nieuws/default.aspx?nid=235322&_ga=1.167852001.1197281629.1459604764&_ga=1.266298381.382606537.1474828673
- TC Tubantia 13 January (p 9)
- 2016-01-23 Large article in “AOb onderwijsblad” about robots in class http://tekstproducties.nl/wordpress/?p=708
- 2016-04-02 Appearance at ZAPP Live http://www.npo.nl/zapplive/02-04-2016/KN_1679076
- 2016-04-05 Placement of a LED video floor in our lab (loaned to us by LEDGO BV) covered in
- several media
- http://www.rtvoost.nl/nieuws/default.aspx?nid=241566&_ga=1.57214445.612449637.1474829072
- https://www.utwente.nl/nieuws/!/2016/4/499120/hightech-looptherapie-op-videovloer
- http://www.utnieuws.nl/nieuws/62758/Dezelfde_looptherapie_met_meer_motivatie
- https://www.deingenieur.nl/artikel/sneller-revalideren-met-videovloer-vol-leds
- http://www.npo.nl/nos-journaal/06-04-2016/POW_02989477
Publications
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SixFeet Reimagined — An Interactive Exercise System to Support Sport Specific Training in Pandemic Times (2024)In Proceedings of the Nordic CHI Conference 2024 (NordiCHI 2024), Uppsala, Sweden. October 13 – 16, 2024. Article 23. ACM Publishing. Postma, D. B. W., de Ruiter, A., Epa Ranasinghe, C. M. & Reidsma, D.https://doi.org/10.1145/3679318.368535Why Movement-Based Design!?: Exploring Methods and Experiences in MBD (2024)In DIS 2024 Companion: Companion Publication of the ACM Designing Interactive Systems Conference (pp. 453-457). Association for Computing Machinery. Van Rheden, V., Reidsma, D., Elbæk, L., Lallemand, C., Turmo Vidal, L., Matviienko, A., Elvitigala, D. S., Daiber, F., Zambetta, F. & Mueller, F. ".https://doi.org/10.1145/3656156.3658399Improvisation Theatre as HRI simulation tool (2024)In Proceedings of the 9th International Conference on Movement and Computing: MOCO 2024 Beyond Control. Article 5 (ACM International Conference Proceeding Series). Association for Computing Machinery. Dertien, E., Reidsma, D. & Van Delden, R.https://doi.org/10.1145/3658852.3659067From Metrics to Experiences: Investigating How Sport Data Shapes the Social Context, Self-Determination and Motivation of Athletes (2024)Interacting with computers (E-pub ahead of print/First online). Postma, D., van Delden, R., Reidsma, D. & Karahanoglu, A.https://doi.org/10.1093/iwc/iwae012Grand Challenges in SportsHCI (2024)In CHI Conference on Human Factors in Computing Systems (CHI ’24). Article 312. ACM SigCHI. Elvitigala, D. S., Karahanoğlu, A., Matviienko, A., Vidal, L. T., Postma, D. B. W., Jones, M., Montoya, M., Harrison, D., Elbæk, L., Daiber, F., Burr, L. A., Patinba, R., Bruno, P., Hämäläinen, P., van Delden, R., Bernhaupt, R., Ren, X., van Rheden, V., Zambetta, F., … Mueller, F. '.https://doi.org/10.1145/3613904.3642050Is it just a score? Understanding Training Load Management Practices Beyond Sports Tracking (2024)In CHI ’24. Article 313. ACM Press. Karahanoğlu, A., Coskun, A., Postma, D., Scheltinga, B. L., Gouveia, R., Reidsma, D. & Reenalda, J.https://doi.org/10.1145/3613904.3642051Enhancing volleyball training: empowering athletes and coaches through advanced sensing and analysis (2024)Frontiers in Sports and Active Living, 6. Article 1326807. Salim, F. A., Postma, D. B. W., Haider, F., Luz, S., van Beijnum, B.-J. F. & Reidsma, D.https://doi.org/10.3389/fspor.2024.1326807 Drone-Driven Running: Exploring the Opportunities for Drones to Support Running Well-being through a Review of Running and Drone Interaction Technologies (2023)In HAI 2023: Proceedings of the 11th Conference on Human-Agent Interaction (pp. 209-220) (ACM International Conference Proceeding Series). Association for Computing Machinery. Balasubramaniam, A., Reidsma, D. & Heylen, D.https://doi.org/10.1145/3623809.3623831Technology, Movement, and Play Is Hampering and Boosting Interactive Play (2023)In CHI PLAY Companion '23: Companion Proceedings of the Annual Symposium on Computer-Human Interaction in Play (pp. 231-234). ACM SigCHI. Delden, R. v., Reidsma, D., Postma, D., Weijdom, J., Segura, E. M., Turmo Vidal, L., Vega-Cebrián, J. M., Tajadura-Jiménez, A., Waern, A., Park, S., Hämäläinen, P., Font, J. M., Johnsson, M., Rasmussen, L. S. & Elbæk, L.https://doi.org/10.1145/3573382.3616050The Cost of Reward: A Critical Reflection on the `What', `How', and `Why' of Gamification for Motivation in Sports (2023)In CHI PLAY Companion '23: Companion Proceedings of the Annual Symposium on Computer-Human Interaction in Play (pp. 222–224). ACM SigCHI. Postma, D., Karahanoğlu, A., Delden, R. v. & Reidsma, D.https://doi.org/10.1145/3573382.3616102Exploring Runners' Preferences of Drone Based Feedback to Support their Well-Being (2023)In Proceedings of 2nd International Conference of the Greece ACM SIGCHI Chapter, CHIGreece 2023. Article 10 (ACM International Conference Proceeding Series). Association for Computing Machinery. Balasubramaniam, A., Reidsma, D., Obaid, M. & Heylen, D.https://doi.org/10.1145/3609987.3609997WashWall: An Interactive Smart Mirror for Motivating Handwashing Among Primary School Children (2023)In Human-Computer Interaction – INTERACT 2023: 19th IFIP TC13 International Conference, York, UK, August 28 – September 1, 2023, Proceedings, Part II (pp. 234-253) (Lecture Notes in Computer Science; Vol. 14143). Springer. Postma, D. B. W., Ranasinghe, C. M., Constantinou, C., Diks, V. P. G., Rhee, Y., van Dijk, W. H. P., Sassanian, A. & Reidsma, D.https://doi.org/10.1007/978-3-031-42283-6_14A Novel Data-driven Approach to Examine Children’s Movements and Social Behaviour in Schoolyard Environments (2023)[Dataset Types › Dataset]. DataverseNL. Nasri, M., Tsou, Y.-T., Koutamanis, A., Baratchi, M., Giest, S., Reidsma, D., Rieffe, C. & Sciences, D. S. B.https://doi.org/10.34894/qtc0nmMeCaMInD Modifiers for Movement-Based Design (2023)[Other contribution › Other contribution]. Elbæk, L., Andersen, R. V., Delden, R. v., Fernández, J. M. F., Hansen, R. E., Hämäläinen, P., Johnsson, M., Rasmussen, L. S., Lekbo, S., Park, S., Postma, D., Reidsma, D., Segura, E. M., Tajadura-Jimenez, A., Vidal, L. T., Vega-Cebrián, J. M., Waern, A. & Kaos, M. D.https://doi.org/10.21996/GYKY-TP48MeCaMInD.eu - Movement-Based Method Collection (2023)[Non-textual form › Artefact]. Syddansk Universitet. Elbæk, L., Andersen, R. V., van Delden, R., Font, J. M., Hansen, R. E., Hämäläinen, P., Johnsson, M., Schjødt Rasmussen, L., Lekbo, S., Park, S., Postma, D. B. W., Reidsma, D., Segura, E. M., Tajadura-Jiménez, A., Turmo Vidal, L., Vega-Cebrián, J. M., Waern, A. & Kaos, M.https://doi.org/10.21996/7j45-gy21ReadAR, Playful Book Finding Through Peer Book Reviews for Multi-faceted Characters in AR (2023)In Persuasive Technology: 18th International Conference, PERSUASIVE 2023, Eindhoven, The Netherlands, April 19–21, 2023, Proceedings (pp. 50-64) (Lecture notes in computer science; Vol. 13832). Springer Nature. Wintermans, L., Delden, R. v. & Reidsma, D.https://doi.org/10.1007/978-3-031-30933-5_4Operationalizing Cybersecurity Research Ethics Review: From Principles and Guidelines to Practice (2023)In Proceedings EthiCS 2023: The 2nd International Workshop on Ethics in Computer Security, February 27, 2022, San Diego, CA, USA. Internet Society. Reidsma, D., van der Ham, J. & Continella, A.https://doi.org/10.14722/ethics.2023.237352 Correction: Nasri et al. A Novel Data-Driven Approach to Examine Children’s Movements and Social Behaviour in Schoolyard Environments. Children 2022, 9, 1177 (2022)Children, 1-5. Nasri, M., Tsou, Y.-T., Koutamanis, A., Baratchi, M., Giest, S., Reidsma, D. & Rieffe, C.https://doi.org/10.3390/children9121882Considerations for (Teaching) Facilitator Roles for Movement-Based Design (2022)In CHI PLAY 2022: Extended Abstracts of the 2022 Annual Symposium on Computer-Human Interaction in Play (pp. 233-239). Association for Computing Machinery. Reidsma, D., van Delden, R. W., Weijdom, J. P., Hansen, R. E., Lekbo, S., Andersen, R. V., Rasmussen, L. S. R. & Elbæk, L.https://doi.org/10.1145/3505270.3558315Three Interactive Add-ons for Small Local Playgrounds: Towards Designing for Context-sensitive Play Activities (2022)In CHI PLAY 2022: Extended Abstracts of the 2022 Annual Symposium on Computer-Human Interaction in Play (pp. 357-363). Association for Computing Machinery. Van Delden, R., Reidsma, D., Weijdom, J. P. & Heylen, D.https://doi.org/10.1145/3505270.3558387Towards a Definition of Sportification with Generative Power Beyond Sports (2022)In CHI PLAY 2022: Extended Abstracts of the 2022 Annual Symposium on Computer-Human Interaction in Play (pp. 268-269) (CHI PLAY 2022 - Extended Abstracts of the 2022 Annual Symposium on Computer-Human Interaction in Play). Association for Computing Machinery. Van Delden, R., Postma, D. B. W., De Sain, R. & Reidsma, D.https://doi.org/10.1145/3505270.3558358Move to Design: Tactics and Challenges of Playful Movement-based Interaction Designers' Experiences during the Covid-19 Pandemic (2022)In Proceedings of the 17th International Conference on the Foundations of Digital Games, FDG 2022 (ACM International Conference Proceeding Series). Association for Computing Machinery. Park, S., Hämäläinen, P., Kultima, A., Turmo Vidal, L., Segura, E. M. & Reidsma, D.https://doi.org/10.1145/3555858.3555925Exploring the Interaction Space to Support Running Experiences with Drones (2022)[Contribution to conference › Other] Social Drones for Health and Well-being Workshop at NORDICHI 2022. Balasubramaniam, A., Reidsma, D. & Heylen, D. K. J.A Design Space of Sports Interaction Technology (2022)Foundations and Trends in Human-Computer Interaction, 15(2-3), 132-316. Postma, D. B. W., van Delden, R. W., Koekoek, J. H., Walinga, W. W., van Hilvoorde, I. M., van Beijnum, B. J. F., Salim, F. A. & Reidsma, D.https://doi.org/10.1561/1100000087A Novel Data-driven Approach to Examine Children’s Movements and Social Behaviour in Schoolyard Environments (2022)Children, 9(8). Article 1177. Nasri, M., Tsou, Y.-T., Koutamanis, A., Baratchi, M., Giest, S., Reidsma, D. & Rieffe, C.https://doi.org/10.3390/children9081177Coaxing An Empirical Exploration of a Novel Way to Nudge Athletic Performance in Sports (2022)In Persuasive Technology - 17th International Conference, PERSUASIVE 2022, Proceedings (pp. 174-189) (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); Vol. 13213 LNCS). Springer. Postma, D., ten Brinke, S., van Delden, R. & Reidsma, D.https://doi.org/10.1007/978-3-030-98438-0_14SixFeet: An Interactive, Corona-Safe, Multiplayer Sports Platform (2022)In TEI '22: Proceedings of the 16th International Conference on Tangible, Embedded, and Embodied Interaction (pp. 1-7). Article 3505570. ACM Publishing. Postma, D., de Ruiter, A., Reidsma, D. & Ranasinghe, C.https://doi.org/10.1145/3490149.3505570EASEL Project Archive (2022)[Dataset Types › Dataset]. Areda (University of Twente). Davison, D. P., Evers, V., Wijnen, F. M., Reidsma, D., Charisi, V. & van der Meij, J. User Requirements for Developing Robot-Assisted Interventions for Autistic Children (2021)In Social Robotics : 13th International Conference, ICSR 2021. Singapore, Singapore, November 10-13, 2021. Proceedings (pp. 629-639) (Lecture Notes in Artificial Intelligence; Vol. 13086). Springer. Schadenberg, B. R., Reidsma, D., Heylen, D. K. J. & Evers, V.https://doi.org/10.1007/978-3-030-90525-5_55From the work in progress, rapid communications, interactivity, student game design competition, doctoral consortium, and mas-terclass chairs (2021)In CHI PLAY 2021 - Extended Abstracts of the 2021 Annual Symposium on Computer-Human Interaction in Play (pp. V-VI). ACM Publishing. Rogers, K., Zaman, L., Harpstead, E., Kriglstein, S., Reidsma, D., Lankes, M., Oz'Buruk, Ǒ., Maurer, B., Bateman, S., Klarkowski, M., El-Nasr, M. S., Hlavacs, H. & Tscheligi, M.Agents United: An Open Platform for Multi-Agent Conversational Systems (2021)In IVA '21: Proceedings of the 21st ACM International Conference on Intelligent Virtual Agents (pp. 17-24). Association for Computing Machinery. Beinema, T., Davison, D., Reidsma, D., Banos, O., Bruijnes, M., Donval, B., Fides Valero, Á., Heylen, D., Hofs, D., Huizing, G., Kantharaju, R. B., Klaassen, R., Kolkmeier, J., Konsolakis, K., Pease, A., Pelachaud, C., Simonetti, D., Snaith, M., Traver, V., … op den Akker, H.https://doi.org/10.1145/3472306.3478352Predictable Robots for Autistic Children — Variance in Robot Behaviour, Idiosyncrasies in Autistic Children’s Characteristics, and Child–Robot Engagement (2021)ACM Transactions on Computer-Human Interaction, 28(5). Article 3468849. Schadenberg, B. R., Reidsma, D., Evers, V., Davison, D. P., Li, J. J., Heylen, D. K. J., Neves, C., Alvito, P., Shen, J., Pantic, M., Schuller, B., Cummins, N., Olaru, V., Sminchisescu, C., Dimitrijevic, S. B., Petrovic, S., Baranger, A., Williams, A., Alcorn, A. M. & Pellicano, E.https://doi.org/10.1145/3468849“I See What You Did There”: Understanding People’s Social Perception of a Robot and Its Predictability (2021)ACM Transactions on Computer-Human Interaction, 10(3). Article 28. Schadenberg, B. R., Reidsma, D., Heylen, D. K. J. & Evers, V.https://doi.org/10.1145/3461534Data underlying the article: "I See What You Did There": Understanding People's Social Perception of a Robot and its Predictability (2021)[Dataset Types › Dataset]. 4TU.Centre for Research Data. Schadenberg, B., Reidsma, D., Heylen, D. K. J. & Evers, V.https://doi.org/10.4121/14706063.v1Robots for Autistic Children: Understanding and Facilitating Predictability for Engagement in Learning (2021)[Thesis › PhD Thesis - Research UT, graduation UT]. University of Twente. Schadenberg, B. R.https://doi.org/10.3990/1.9789036551649Words of encouragement: how praise delivered by a social robot changes children’s mindset for learning (2021)Journal on multimodal user interfaces, 15(1), 61-76. Davison, D. P., Wijnen, F. M., Charisi, V., van der Meij, J., Reidsma, D. & Evers, V.https://doi.org/10.1007/s12193-020-00353-9"Hey robot, what do you think?": How children learn with a social robot (2021)[Thesis › PhD Thesis - Research UT, graduation UT]. University of Twente. Davison, D. P.https://doi.org/10.3990/1.9789036551588 Action modelling for interaction and analysis in smart sports and physical education (2020)In ICMI 2020 Companion: Companion Publication of the 2020 International Conference on Multimodal Interaction (pp. 228-229). Association for Computing Machinery. Salim, F. A., Haider, F., Frutos-Pascual, M., Reidsma, D., Luz, S. & Van Beijnum, B. J.https://doi.org/10.1145/3395035.3425299VR4VRT: Virtual Reality for Virtual Rowing Training (2020)In CHI PLAY 2020 - Extended Abstracts of the 2020 Annual Symposium on Computer-Human Interaction in Play (pp. 388-392). Association for Computing Machinery. van Delden, R., Bergsma, S., Vogel, K., Postma, D., Klaassen, R. & Reidsma, D.https://doi.org/10.1145/3383668.3419865How Good is Good Enough?: The Impact of Errors in Single Person Action Classification on the Modeling of Group Interactions in Volleyball (2020)In ICMI '20: Proceedings of the 2020 International Conference on Multimodal Interaction (pp. 278-286). Beenhakker, L., Salim, F., Postma, D., van Delden, R., Reidsma, D. & van Beijnum, B.-J.https://doi.org/10.1145/3382507.3418846A super-bagging method for volleyball action recognition using wearable sensors (2020)Multimodal Technologies and Interaction, 4(2). Article 33. Haider, F., Salim, F. A., Postma, D. B. W., Delden, R. v., Reidsma, D., Beijnum, B.-J. v. & Luz, S.https://doi.org/10.3390/mti4020033Opportunities and Challenges for Adding Speech to Dialogues with a Council of Coaches (2020)[Book/Report › Report]. University of Twente. Bosdriesz, L., Reidsma, D., Davison, D. P. & op den Akker, H.Helping Educators Monitor Autistic Children's Progress Across Sessions: A Needfinding Study (2020)In HRI '20: 15th Annual ACM/IEEE International Conference on Human-Robot Interaction, March 23-26, 2020 (pp. 436-438). Association for Computing Machinery. Schadenberg, B. R., Li, J. J., Petrovic, S., Reidsma, D., Heylen, D. K. J. & Evers, V.https://doi.org/10.1145/3371382.3378378Working with a social robot in school: A long-term real-world unsupervised deployment (2020)In HRI 2020 - Proceedings of the 2020 ACM/IEEE International Conference on Human-Robot Interaction (pp. 63-72) (ACM/IEEE International Conference on Human-Robot Interaction). Davison, D. P., Wijnen, F. M., Charisi, V., van der Meij, J., Evers, V. & Reidsma, D.https://doi.org/10.1145/3319502.3374803Differences in Spontaneous Interactions of Autistic Children in an Interaction With an Adult and Humanoid Robot (2020)Frontiers in robotics and AI, 7, 1-19. Article 28. Schadenberg, B. R., Reidsma, D., Heylen, D. K. J. & Evers, V.https://doi.org/10.3389/frobt.2020.00028Alertness, movement, and affective behaviour of people with profound intellectual and multiple disabilities (PIMD) on introduction of a playful interactive product: Can we get your attention? (2020)Journal of Intellectual and Developmental Disability, 45(1), 66-77. van Delden, R. W., Wintels, S. C., van Oorsouw, W. M. W. J., Evers, V., Embregts, P. J. C. M., Heylen, D. K. J. & Reidsma, D.https://doi.org/10.3109/13668250.2018.1537845Comparing a playful interactive product to watching television: an exploratory study for people with profound intellectual and multiple disabilities (2020)Journal of Intellectual and Developmental Disability, 45(1), 78-88. Embregts, P. J. C. M., van Oorsouw, W. M. W. J., Wintels, S. C., van Delden, R. W., Evers, V. & Reidsma, D.https://doi.org/10.3109/13668250.2018.1537846Designing a smart toy interactive setting for creating stories: From free play to story structure and reflection support (2020)In Interactivity, Game Creation, Design, Learning, and Innovation: 8th EAI International Conference, ArtsIT 2019, and 4th EAI International Conference, DLI 2019, Aalborg, Denmark, November 6–8, 2019, Proceedings (pp. 601-610) (Lecture Notes of the Institute for Computer Sciences, Social-Informatics and Telecommunications Engineering, LNICST; Vol. 328). Springer. ter Stal, S., Catala, A., Theune, M. & Reidsma, D.https://doi.org/10.1007/978-3-030-53294-9_44Nieuwe inzichten over de rol van affordances bij succesvol bewegen (2020)Sportgericht, 74, 26-29. Uitgeverij Sportgericht. Postma, D., Reidsma, D. & Zaal, F.Towards Automatic Modeling of Volleyball Players’ Behavior for Analysis, Feedback, and Hybrid Training (2020)Journal for the Measurement of Physical Behaviour, 3(4), 323-330. Salim, F. A., Haider, F., Postma, D. B. W., van Delden, R., Reidsma, D., Luz, S. & van Beijnum, B.-J. F.https://doi.org/10.1123/jmpb.2020-0012Volleyball Action Modelling for Behavior Analysis and Interactive Multi-modal Feedback (2020)In eNTERFACE’19, 15th International Summer Workshop on Multimodal Interface. Bilkent University. Salim, F. A., Haider, F., Yengec Tasdemir, S. B., Naghashi, V., Tengiz, I., Cengiz, K., Postma, D. B. W., van Delden, R., Reidsma, D., Luz, S. & van Beijnum, B.-J. 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