Search results for author:"Nicos Valanides"
Total records matched: 13 Search took: 0.072 secs
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Effects of Electronic Scaffolding on Preservice Teachers Perceived Task Effort
Charoula Angeli; Nicos Valanides
World Conference on Educational Media and Technology 2004 (2004) pp. 1955–1960
Forty-one preservice teachers were divided into two groups and were instructed how to integrate certain Information and Communication Technology (ICT) tools in learning activities. Only one group was guided to use Filamentality, a fill-in-the-blank...
Topics: Integration, Educational Technology, Preservice Teacher Education, Communication, Information Communication Technologies
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The Effects of Textual and Textual-Visual Representations on Field-Dependent and Field-Independent Learners' Performance during Problem-Solving with Modeling Software
Charoula Angeli; Nicos Valanides
World Conference on Educational Media and Technology 2003 (2003) pp. 718–721
Sixty-four undergraduates were classified into Field Dependent (FD), Between Field Dependent/Independent (BFD/I), and Field Independent (FI) learners, and were randomly assigned to Text-Only (T-O) and Text-and-Visual (T-V) groups. Participants had...
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ICT-Related Pedagogical Content Knowledge: A Model for Teacher Preparation
Charoula Angeli; Nicos Valanides
Society for Information Technology & Teacher Education International Conference 2005 (2005) pp. 3030–3037
The study discusses the evolvement of an Instructional Systems Design (ISD) model as it was evaluated and progressively refined after consecutive iterations. The proposed ISD model can be used in technology courses or method courses to develop...
Topics: Teachers, Educational Technology, Instructional Design, Teaching Methods, Information Communication Technologies
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Instructional Design Effects, Field Dependence-Independence, and Problem Solving with a Computer Modeling Tool
Charoula Angeli; Nicos Valanides
World Conference on Educational Media and Technology 2011 (Jun 27, 2011) pp. 3379–3387
The study investigated the extent to which two types of instructional materials and learner field dependence-independence affected learners’ cognitive load, time spent on task, and problem-solving performance in a complex system with a computer...
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Assessing Preservice Teachers’ Scientific Reasoning:Content Analysis of a Text-Based Computer-Supported Online Conference
Charoula Angeli; Nicos Valanides
Society for Information Technology & Teacher Education International Conference 2006 (Mar 19, 2006) pp. 3940–3941
Forty-seven preservice teachers who were enrolled in a science education methods course were introduced to the use of hypothetico-predictive arguments in the context of testing hypotheses about several experiments. During a lab session, participants ...
Topics: Science, Preservice Teacher Education
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A Conceptual Framework for Scaffolding Critical Thinking in an Online Conference for a Science Education Methods Course
Charoula Angeli; Nicos Valanides
World Conference on Educational Media and Technology 2005 (Jun 27, 2005) pp. 664–669
The purpose of this research study was to develop a conceptual framework for scaffolding learners' critical thinking in a text-based online conferencing system for a science education methods course. The specific question that we sought to answer in ...
Topics: Science, Research Methods
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Learning by Design as an Approach for the Development of Science Teachers ICT-Related Pedagogical Content Knowledge
Nicos Valanides; Charoula Angeli
Society for Information Technology & Teacher Education International Conference 2005 (2005) pp. 3767–3774
The purpose of the study was to examine the extent to which learning by design could be an effective approach for developing science teachers' ICT-related pedagogical content knowledge (ICT-related PCK) during an ICT teacher professional development ...
Topics: Information Communication Technologies, Science, Professional Development, Teachers
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A Blended Learning Environment for a Science Education Methods Course: Content Analysis of a Text-Based Online Conference
Nicos Valanides; Charoula Angeli
World Conference on Educational Media and Technology 2005 (Jun 27, 2005) pp. 854–855
In a lab meeting, students were asked to predict and discuss in teams of two to three students what would happen when a cylinder is inverted over a burning candle upright in a pan of water. Because students presented conflicting claims about the...
Topics: Students
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Preparing Preservice Elementary Teachers to Teach Science Through Computer Models
Nicos Valanides; Charoula Angeli
Contemporary Issues in Technology and Teacher Education Vol. 6, No. 1 (March 2006) pp. 87–98
The purpose of this study was to examine the extent to which preservice elementary teachers were able to construct viable scientific models with a computer-modeling tool, namely Model-It, and design a science lesson with models. The results of the...
Topics: Preservice Teacher Education, Educational Technology, Elementary Education, Computers, Integration
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Developing Computer Science Teachers’ Technological Pedagogical Content Knowledge
Charoula Angeli; Nicos Valanides; Ioannis Ioannou
Society for Information Technology & Teacher Education International Conference 2015 (Mar 02, 2015) pp. 3050–3058
In the study herein, the authors adopted the framework of technological pedagogical content knowledge and the instructional design model of technology mapping in order to teach secondary education computer science teachers how to teach with...
Topics: Technological, Pedagogical Content Knowledge (TPACK)
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Asynchronous Computer Conferencing as Mindtools: Implications for Integrating Mindtools in the Classroom
Nicos Valanides; Charoula Angeli; Curtis J. Bonk
Society for Information Technology & Teacher Education International Conference 2003 (2003) pp. 840–843
We report on the findings of a study that was completed in July of 2002 regarding the affordances of asynchronous conferencing to foster quality computer-mediated interactions. Specifically, we investigated the extent to which COW, can be used to...
Topics: Classrooms
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Promoting Evidence-Based Reasoning in Science Through Technology: The Case of Learning about Colour and Light with O.D.R.E.S.™
Charoula Angeli; Nicos Valanides; Athena Sarri; Demetris Lazarou
Society for Information Technology & Teacher Education International Conference 2006 (Mar 19, 2006) pp. 3942–3949
In this study we report on the effects of learning with O.D.R.E.S. ™, a computer tool that was designed to promote elementary students' evidence-based scientific reasoning, as well as the effects of O.D.R.E.S. ™ on students' conceptions three months ...
Topics: Students
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Technological Pedagogical Content Knowledge (TPACK): Revision and Rethinking
Petra Fisser; Joshua Rosenberg; Jolene Teske; Matthew Koehler; Punya Mishra; Joke Voogt; Jo Tondeur; Johan van Braak; Judi Harris; Charoula Angeli; Nicos Valanides; Andri Christodoulou; Karin Forssell; Leanna Archambault; Vicky Smart; Glenn Finger; Denise Schmidt-Crawford; Shu-ju Diana Tai; Wei Wang; Mary Herring
Society for Information Technology & Teacher Education International Conference 2015 (Mar 02, 2015) pp. 907–911
The Handbook of Technological Pedagogical Content Knowledge (TPCK) for Educators was critical to the development of the field of educational technology research and practice, but much has changed since its publication. The Handbook of Technological...