Search results for author:"Nicos Valanides"
Total records matched: 13 Search took: 0.068 secs
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Epistemological and methodological issues for the conceptualization, development, and assessment of ICT–TPCK: Advances in technological pedagogical content knowledge (TPCK)
Charoula Angeli; Nicos Valanides
Computers & Education Vol. 52, No. 1 (January 2009) pp. 154–168
In this paper, several issues regarding the epistemology of technological pedagogical content knowledge (TPCK) are first raised for the purpose of clarifying the construct. Specifically, the transformative and integrative views are juxtaposed for...
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Instructional effects on critical thinking: Performance on ill-defined issues
Charoula Angeli; Nicos Valanides
Learning and Instruction Vol. 19, No. 4 pp. 322–334
Undergraduate students in dyads (
Language: English
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Using Educational Data Mining Methods to Assess Field-Dependent and Field-Independent Learners' Complex Problem Solving
Charoula Angeli; Nicos Valanides
Educational Technology Research and Development Vol. 61, No. 3 (June 2013) pp. 521–548
The present study investigated the problem-solving performance of 101 university students and their interactions with a computer modeling tool in order to solve a complex problem. Based on their performance on the hidden figures test, students were...
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Examining the Effects of Electronic Mentoring Prompts on Learners' Scientific Reasoning Skills in a Text-Based Online Conference for a Science Education Course
Charoula Angeli; Nicos Valanides
Science Education International Vol. 19, No. 4 (December 2008) pp. 357–369
In a science education methods course, groups of students were initially involved in a face-to-face discussion and were sensitized about certain conflicting claims regarding a puzzling observation or set of observations. They were then instructed to ...
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Examining the Effects of Text-Only and Text-and-Visual Instructional Materials on the Achievement of Field-Dependent and Field-Independent Learner During Problem-Solving with Modeling Software
Charoula Angeli; Nicos Valanides
Educational Technology Research and Development Vol. 52, No. 4 (2004) pp. 23–36
Sixty-five undergraduates were classified into field-dependent, field-mixed, and field-independent learners, and were randomly assigned to two groups: text-only and text-and-visual. Participants in the text-only group received a description of a...
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Technology Mapping: An Approach for Developing Technological Pedagogical Content Knowledge
Charoula Angeli; Nicos Valanides
Journal of Educational Computing Research Vol. 48, No. 2 (2013) pp. 199–221
Technology mapping[TM] is proposed as an approach for developing technological pedagogical content knowledge (TPCK). The study discusses in detail instructional design guidelines in relation to the enactment of TM, and reports on empirical findings...
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The Effect of Electronic Scaffolding for Technology Integration on Perceived Task Effort and Confidence of Primary Student Teachers
Charoula Angeli; Nicos Valanides
Journal of Research on Technology in Education Vol. 37, No. 1 (2004) pp. 29–43
Forty-one primary student 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...
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Professional Development for Computer-Enhanced Learning: A Case Study with Science Teachers
Nicos Valanides; Charoula Angeli
Research in Science & Technological Education Vol. 26, No. 1 (April 2008) pp. 3–12
The preparation of science teachers to integrate computers in their teaching seems to be a challenging task, and teacher educators need to undertake systematic and coordinated efforts for effectively preparing teachers to teach with computers. The...
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Distributed Cognition in a Sixth-Grade Classroom: An Attempt to Overcome Alternative Conceptions about Light and Color
Nicos Valanides; Charoula Angeli
Journal of Research on Technology in Education Vol. 40, No. 3 (2008) pp. 309–336
In this study, we discuss the scaffolded design of ODRES (Observe, Discuss, and Reason with Evidence in Science), a computer tool that was designed to be used with elementary school children in science, and report on the effects of learning with...
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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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The Impact of Cognitive and Affective Aspects of Cognitive Conflict on Learners' Conceptual Change about Floating and Sinking
Stella Hadjiachilleos; Nicos Valanides; Charoula Angeli
Research in Science & Technological Education Vol. 31, No. 2 (2013) pp. 133–152
Background: Cognitive conflict has been identified as an important factor for bringing about students' conceptual change. Researchers draw attention to the need to study not only cognitive factors related to cognitive conflict but affective...
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Twelfth Grade Students' Understanding of Oxidation and Combustion: Using Action Research to Improve Teachers' Practical Knowledge and Teaching Practice
Nicos Valanides; Athanasia Nicolaidou; Ingo Eilks
Research in Science & Technological Education Vol. 21, No. 2 (November 2003) pp. 159–175
Nine 12th grade students, attending the science section of the upper secondary school in Cyprus, were individually interviewed about their understanding of the changes associated with the process of oxidation/combustion. Each student was instructed...
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Scientific Investigations of Elementary School Children
Nicos Valanides; Maria Papageorgiou; Charoula Angeli
Journal of Science Education and Technology Vol. 23, No. 1 (February 2014) pp. 26–36
The study provides evidence concerning elementary school children's ability to conduct a scientific investigation. Two hundred and fifty sixth-grade students and 248 fourth-grade students were administered a test, and based on their performance,...