Part I: DIGITAL TECHNOLOGIES AND PEDAGOGY 1 The feasibility and interest of monitoring the cognitive and affective states of groups of co-learners in real time as they learn Julien Mercier University of Montreal, Canada 2 Exploring the potential of computer-based concept mapping under self- and collaborative-mode within emerging learning environments Sofia Hadjileontiadou 1 , Sofia B. Dias 2 , José Diniz 2 , and Leontios J. Hadjileontiadis 3,4 1 Hellenic Open University, Athens, Greece, 2 Universidade de Lisboa, Portugal, 3 Aristotle University of Thessaloniki, Greece, 4 Khalifa University of Science and Technology, UAE. 3 Creativity and ICT: theoretical approaches and perspectives in school education Kleopatra Nikolopoulou National and Kapodistrian University of Athens, Greece 4 Exploring teachers' perceptions of Technological Pedagogical and Content Knowledge: Implications of a pilot study in Greece Demetra Demetriou, Athanassios Jimoyiannis University of Peloponnese, Greece 5 An ensemble-based semi-supervised approach for predicting students' performance I.E. Livieris 1 , K. Drakopoulou 2 , T. Mikropoulos 3 , V. Tampakas 1 , and P. Pintelas 2 1 Technological Educational Institute of Western Greece, Greece 2 University of Patras, Greece 3 University of Ioannina, Greece 6 Addressing creativity in the collaborative design of digital books for Environmental and Math Education Maria Daskolia, Chronis Kynigos, Angeliki Kolovou National and Kapodistrian University of Athens, Athens, Greece 7 How do transformational principals perceive ICT as a means for promoting 21st century skills? A descriptive case study Spiridoula Laschou, Vasilis Kollias & Ilias Karasavvidis University of Thessaly, Greece Part II: Educational Games 8 The Educational Impacts of Minecraft on Elementary School Students Thierry Karsenti & Julien Bugmann University of Montreal, Canada 9 Mobile games in computer science education: State of the art and proposal of a mobile game design that incorporates physical activity Ioannis Siakavaras, Marina Papastergiou, Nikos Comoutos University of Thessaly, Greece 10 Exemplifying online game design and exploitation for interdisciplinary teaching in Primary School through the WeAreEurope game for EU citizenship education Tharrenos Bratitsis University of Western Macedonia, Greece 11 Evaluation of an augmented reality game for environmental education: Save Elli, Save the environment Koutromanos George 1 , Tzortzoglou Filippo 2 , Sofos Alivisos 2 1 National and Kapodistrian University of Athens, Greece 2 University of the Aegean, Greece Part III: Science and Mathematics 12 Hostage of the Software: Experiences Teaching Inferential Statistics to Undergraduate Human-Computer Interaction students and a Survey of the Literature Frode E. Sandnes 1,2 , Evelyn Eika 1 Faculty of Technology, Art and Design, Oslo and Akershus University College of Applied Sciences, Norway 2 Westerdals Oslo School of Art, Communication and Technology, Norway 13 Examining Students Actions while Experimenting with a Blended Combination of Physical and Virtual Manipulatives in Physics George Olympiou, & Zacharias C. Zacharia University of Cyprus, Cyprus 14 The impact of virtual laboratory environments in teaching-by-inquiry electric circuits in Greek Secondary Education: the ElectroLab Project Taramopoulos Athanasios, Psillos Dimitrios Aristotle University of Thessaloniki, Greece 15 Tracing Students' Actions in Inquiry-based Simulations Apostolos Michaloudis, Anastasios Molohidis, Euripides Hatzikraniotis Aristotle University of Thessaloniki, Greece 16 The use of ICT and the Realistic Mathematic Education for understanding simple and advanced stereometry shapes among University students Nicholas Zaranis 1 , George M. Exarchakos 2 1 Universi ukryj opis