The conference proceedings - Multidisciplinary Academic Conference on Education, Teaching and Learning, Czech Republic, Prague (MAC-ETL 2016)

Multidisciplinary Academic Conference on Education, Teaching and Learning, Czech Republic, Prague (MAC-ETL 2019) Multidisciplinary Academic Conference on Management, Marketing and Economics, Czech Republic, Prague (MAC-MME 2019) Multidisciplinary Academic Conference on Transport, Tourism and Sport Science, Czech Republic, Prague (MAC-TTSS 2019)

International Academic Conference on Education, Teaching and Learning in Prague 2017 and International Academic Conference on Management, Marketing and Economics in Prague 2017 and International Academic Conference on Transport, Tourism and Sport Science in Prague 2017

Multidisciplinary Academic Conference on Education, Teaching and Learning, Czech Republic, Prague (MAC-ETL 2018) Multidisciplinary Academic Conference on Management, Marketing and Economics, Czech Republic, Prague (MAC-MME 2018) Multidisciplinary Academic Conference on Transport, Tourism and Sport Science, Czech Republic, Prague (MAC-TTSS 2018) Friday - Sunday, December 7 - 9, 2018

Multidisciplinary Academic Conference on Education, Teaching and Learning, Czech Republic, Prague (MAC-ETL 2020) Multidisciplinary Academic Conference on Management, Marketing and Economics, Czech Republic, Prague (MAC-MME 2020) Saturday - Sunday, December 5 - 6, 2020

The three-volume set CCIS 1224, CCIS 1225, and CCIS 1226 contains the extended abstracts of the posters presented during the 21st International Conference on Human-Computer Interaction, HCII 2020, which took place in Copenhagen, Denmark, in July 2020.* HCII 2020 received a total of 6326 submissions, of which 1439 papers and 238 posters were accepted for publication in the pre-conference proceedings after a careful reviewing process. The 238 papers presented in these three volumes are organized in topical sections as follows: Part I: design and evaluation methods and tools; user characteristics, requirements and preferences; multimodal and natural interaction; recognizing human psychological states; user experience studies; human perception and cognition. -AI in HCI. Part II: virtual, augmented and mixed reality; virtual humans and motion modelling and tracking; learning technology. Part III: universal access, accessibility and design for the elderly; smartphones, social media and human behavior; interacting with cultural heritage; human-vehicle interaction; transport, safety and crisis management; security, privacy and trust; product and service design. *The conference was held virtually due to the COVID-19 pandemic. The chapter "“Developing an Interactive Tabletop Mediated Activity to Induce Collaboration by Implementing Design Considerations Based on Cooperative Learning Principles” is available open access under a Creative Commons Attribution 4.0 International License via link.springer.com.