Search results for author:Rafi+Nachmias
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School of Education, Tel-Aviv University
The difficulties that younger students experience in understanding concepts related to the use of variables in computer programming are examined through descriptions of two studies: (1) detailed case studies of six highly intelligent children--three ...
Internet and Higher Education Vol. 5, No. 3 (2002) pp. 213–29
Discussion of the use of the Internet as an instructional tool in higher education focuses on a three-level research framework for the study of campus-wide academic instruction using the Web. Describes how the framework was used for a project at Tel-...
A CAMPUS WIDE PROJECT OF WEB-BASED ACADEMIC INSTRUCTION - A RESEARCH FRAMEWORK AND PRLIMINARY RESULTS
World Conference on E-Learning in Corporate, Government, Healthcare, and Higher Education Vol. 2002, No. 1 (2002) pp. 722–728
Alongside the enthusiasm and creativity characterizing the process of integrating the Internet in higher education, essential questions regarding the learning quality and effectiveness of online courses emerge. In order to answer these questions a...
Internet and Higher Education Vol. 14, No. 2 (March 2011) pp. 67–76
This paper focuses on a Web-log based tool for evaluating pedagogical processes occurring in Web-supported academic instruction and students' attitudes. The tool consists of computational measures which demonstrate what instructors and policy makers ...
Interdisciplinary Journal of E-Learning and Learning Objects Vol. 7, No. 1 (Jan 01, 2011) pp. 213–224
Electronic Performance Support Systems (EPSS) is a method for on-line learning and performance support applied in organizations for the last 20 years. EPSS integrates learning as well as task performance into a single action. It does so by providing ...
Internet and Higher Education Vol. 14, No. 2 (March 2011) pp. 98–106
This research consists of an empirical study of online persistence in Web-supported courses in higher education, using Data Mining techniques. Log files of 58 Moodle websites accompanying Tel Aviv University courses were drawn, recording the...
Online Learning and Performance Support in Organizational Environments Using Performance Support Platforms
Performance Improvement Vol. 50, No. 8 (September 2011) pp. 25–32
An electronic performance support system (EPSS) is a method that integrates learning and task performance into one single action by providing information and guidance during performance. Wide-range EPSS effectiveness research has been conducted by...
World Conference on Educational Multimedia, Hypermedia and Telecommunications Vol. 2004, No. 1 (2004) pp. 3736–3742
The rapid integration of the Internet into higher education raises essential questions regarding its instructional usage and pedagogical potential. Currently, the most frequent usage of the web is for augmenting interaction with supporting course...
International Conference on Educational Data Mining (EDM) Vol. 2009, No. 1 (July 2009)
The purpose of this study is to investigate the consistency of students' behavior regarding their pace of actions over sessions within an online course. Pace in a session is defined as the number of logged actions divided by session length (in...
Journal of Educational Computing Research Vol. 27, No. 3 (2002) pp. 315–29
Examines student learning in virtual courses and the relationship between their performance and thinking styles based on a study of Israeli junior high school students. Topics include students' scholastic performance and grades; successful Web...
International Journal on E-Learning Vol. 6, No. 2 (April 2007) pp. 235–246
This research aims to identify, classify, and quantify the evolving use of web pedagogies on course websites, by lecturers in a traditional university. The main research questions are: (a) For what purposes and to what extent do lecturers integrate...
Implementing a Cost Effectiveness Analyzer for Web-Supported Academic Instruction: A Campus Wide Analysis
European Journal of Open, Distance and E-Learning Vol. 2 (2010)
This paper describes the implementation of a quantitative cost effectiveness analyzer for Web-supported academic instruction that was developed in Tel Aviv University during a long term study. The paper presents the cost effectiveness analysis of...
Mathematics in School Vol. 19, No. 2 (1990) pp. 19–23
Explores the parallel axes representation (PAR) of linear functions. Illustrates the influences of slope and intercept values on the representation. Appended are five exercises for making the PAR programs using BASIC language. (YP)
Journal of Science Education and Technology Vol. 10, No. 1 (2001) pp. 93–104
Discusses science educators' interest in Web-based learning (WBL). Provides a classification scheme by which scientifically-oriented educational websites can be evaluated for content level. Presents an example of site evaluation in the field of...
Journal of Science Education and Technology Vol. 10, No. 4 (2001) pp. 293–303
Explores to what extent the web's advanced graphical tools and computational power are implemented in science education. Focuses on the pedagogical and technological characteristics of web sites attempting to teach the subject of atomic structure. ...
The Relationship Between Performance in a Virtual Course and Thinking Styles, Gender, and ICT Experience
World Conference on Educational Multimedia, Hypermedia and Telecommunications Vol. 2001, No. 1 (2001) pp. 1698–1702
This study examines the relationship between students' performance in a virtual course and three factors: thinking style, gender, and prior experience in ICT. The dependent variables were: use of communication channels (e-mail, bulletin boards,...
Internet and Higher Education Vol. 9, No. 2 (2006) pp. 81–90
This paper describes a quantitative cost effectiveness model for Web-supported academic instruction. The model was designed for Web-supported instruction (rather than distance learning only) characterizing most of the traditional higher education...
World Conference on Educational Multimedia, Hypermedia and Telecommunications Vol. 1999, No. 1 (1999) pp. 1614–1615
Many educators view the internet as a potential medium for the delivery of mass quality instruction, whilst students increasingly seek on-line courses for learning, even at the high school level (e.g. http://vhs.concord.org). Many of these online...
Research Insights from a Decade of Campus-Wide Implementation of Web-Supported Academic Instruction at Tel Aviv University
International Review of Research in Open and Distance Learning Vol. 10, No. 2 (Apr 02, 2009)
This paper describes the scope and outcomes of Virtual TAU, a campus-wide project that aims to integrate information and communication technologies into the academic instruction at Tel Aviv University (TAU). It provides data, insights, and...
World Conference on Educational Multimedia, Hypermedia and Telecommunications Vol. 2006, No. 1 (June 2006) pp. 347–354
This research aims to identify, classify and quantify the evolving use of web pedagogies on course websites, by lecturers in a traditional university. The main research questions are: (1) for what purposes and to what extent do lecturers integrate...
Interdisciplinary Journal of E-Learning and Learning Objects Vol. 5, No. 1 (Jan 01, 2009) pp. 197–214
This study illustrates the potential of applying Web usage mining - the analysis of Web log files - in educational research. It consists of two sub-studies and focuses on two types of analysis, both related to the whole learning process:...
Journal of Computers in Mathematics and Science Teaching Vol. 22, No. 3 (2003) pp. 225–240
The World Wide Web is a promising medium for chemical education. The availability of huge chemical databases, of three-dimensional and dynamic graphics together with the computational power and the communicational features of the Web, offer...
Journal of Research in Science Teaching Vol. 24, No. 5 (1987) pp. 491–506
Examines (1) how students evaluate information obtained in the science laboratory; (2) the effects of use of microcomputer-based laboratory; and, (3) the effects of explicit instruction on critical evaluation skills. Discusses results in terms of...
World Conference on Educational Multimedia, Hypermedia and Telecommunications Vol. 2011, No. 1 (Jun 27, 2011) pp. 1530–1536
Abstract: Students today save and retrieve many information items relating to their learning assignments in their PCs. Personal Information Management (PIM) is a research field that examines the activities of evaluating, selecting, storing,...
World Conference on Educational Multimedia, Hypermedia and Telecommunications Vol. 2013, No. 1 (Jun 24, 2013) pp. 820–828
The purpose of this study is to reveal one of the everyday activities of students in the knowledge society – Personal Information Management (PIM). Personal Information Management (PIM) refers to the activities users perform in order to organize the ...
Journal of Educational Computing Research Vol. 22, No. 1 (2000) pp. 55–73
Examines the extent and characteristics of Internet use among junior- and senior high school students in Israel. Discusses the link between Internet use and school activities, age and sex differences, and findings that indicate primary use is for...
World Conference on Educational Multimedia, Hypermedia and Telecommunications Vol. 2004, No. 1 (2004) pp. 2995–3000
The use of the Internet for instruction in academic institutions has grown in the last years. This raises questions on the process and the potential of Internet implementation in teaching. This study copes with questions in the macro-level, focusing ...
Educational Technology & Society Vol. 13, No. 3 (2010) pp. 212–223
This paper describes a study that focused on long-term web-supported learning diffusion among lecturers at Tel Aviv University (TAU), from an organizational point of view. The theoretical models we used to examine this process are Rogers' model for "...
Journal of Interactive Learning Research Vol. 25, No. 3 (July 2014) pp. 353–371
This study presents an empirical investigation of the relationship between the hierarchical structure of content delivered to students within a Learning Management System (LMS) and its actual consumption. To this end, campus-wide data relating to 1...
World Conference on Educational Multimedia, Hypermedia and Telecommunications Vol. 2006, No. 1 (June 2006) pp. 58–66
In this paper two patterns of ICT-based pedagogical innovations are presented and analyzed: "islands of innovation" and "school-wide implementations." Our study focused on: levels and domains of ICT-bases innovation within schools; communication...
Comparison of Online Learning Behaviors in School vs. at Home in Terms of Age and Gender Based on Log File Analysis
Interdisciplinary Journal of E-Learning and Learning Objects Vol. 6, No. 1 (Jan 01, 2010) pp. 305–322
The research objectives of this study are: (a) to compare learning behaviors in an online science learning environment – in school vs. at home; and (b) to explore the existence of some behavioral differences, in school and at home, in terms of age...
A Cost Effectiveness model for Web Supported Academic Instruction: Development, Validation, and Implementation
World Conference on Educational Multimedia, Hypermedia and Telecommunications Vol. 2004, No. 1 (2004) pp. 1020–1025
This paper describes a study of development, validation and implementation of a cost-effectiveness model for web-supported academic learning (WSL). The model is based on empirical data and adapted to the characteristics and needs of traditional...
Interdisciplinary Journal of E-Learning and Learning Objects Vol. 7, No. 1 (Jan 01, 2011) pp. 323–338
MAOR (Meta-data and Object Repository) is a national Israeli repository of online learning ob- ject meta-data. MAOR serves as a major online learning resource repository, containing materials for both K-12 and Higher Education and enabling teachers...
Journal of Visual Impairment & Blindness Vol. 94, No. 1 (2000) pp. 15–25
A study investigated the use of a diagnostic and remedial adaptive computer tool to help an eighth-grader with low vision decrease spelling mistakes. Results indicate a clear change in the students' performance, from phonetic writing to process...
[Chais] Drills, Games or Tests? Evaluating Students' Motivation in Different Online Learning Activities, Using Log File Analysis
Interdisciplinary Journal of E-Learning and Learning Objects Vol. 7, No. 1 (Jan 01, 2011) pp. 235–248
The main purpose of this study is to compare students' behaviors in three types of learning activities (drills, games, and self-tests) in order to explore students' motivation to learn in each one of them. For that purpose, the actions of 7,434...
Interdisciplinary Journal of E-Learning and Learning Objects Vol. 8, No. 1 (Jan 01, 2012) pp. 165–178
A qualitative model of a system is an abstraction that captures ordinal knowledge and predicts the set of qualitatively possible behaviours of the system, given a qualitative description of its structure and initial state. This paper examines an...
International Journal of Educational Telecommunications Vol. 6, No. 2 (2000) pp. 141–157
Computer mediated communication (CMC), a central feature of cyberspace, is also a key resource for the creation of innovative technology-based educational environments. However, the real significance of these environments for education is still...
Internet and Higher Education Vol. 14, No. 2 (March 2011) pp. 107–112
This study presents an empirical investigation of online hierarchical repositories of items presented to university students in Web-supported course websites, using Web mining methods. To this end, data from 1747 courses were collected, and the use...
World Conference on Educational Multimedia, Hypermedia and Telecommunications Vol. 2001, No. 1 (2001) pp. 1378–1383
Emergent-collaboration is the process by which group configurations and transactional patterns evolve among participants during the course of learning. This study focused on the integration of a Web shell for supporting emergent-collaboration ...
Journal of Research on Computing in Education Vol. 33, No. 1 (2000) pp. 55–76
A classification scheme was developed and implemented for the study of 436 educational Web sites focusing on mathematics, science, and technology learning. Results indicate that many educational Web sites are still predominantly text-based and do...
- Nachmias, Rafi (40)
- Mioduser, David (7)
- Cohen, Anat (5)
- Hershkovitz, Arnon (5)
- Hardof-Jaffe, Sharon (4)
- Lahav, Orly (3)
- Oren, Avigail (3)
- Ram, Judith (3)
- Shemla, Anat (3)
- Ben-Zadok, Galit (2)