منابع مشابه
PREFACE Science ’ s gem : diamond science 2009
Marshall Stoneham London Centre for Nanotechnology and Department of Physics and Astronomy, University College London, 17–19 Gordon Street, London WC1H 0AH, UK Natural diamond has been valued for its appearance and mechanical properties for at least two thousand years. As a gem stone diamond is unsurpassed. However, scientific work, especially in the last 20 years, has demonstrated that diamond...
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Scientific evidence plays a crucial role in regulation and law, particularly in the area of environmental health. In the courtroom, science helps judges and juries evaluate the disputed facts, whereas in the regulatory arena, science is a vital foundation for effective government decision making. Scientific research is increasingly conducted by parties who desire to influence litigation or regu...
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My task is to reflect on the papers in the two Special Issues on "Representations and the Psychology of Mathematics Education," Journal of Mathematical Behavior Vol. 17, Numbers 1 and 2, especially to find common themes and opportunities for further progress. The papers were produced independently, but were based on and influenced by the discussions in the PME Working Group on Representations f...
متن کاملArtificial Intelligence and Learning Environments - Preface
The promise of computer-aided instruction (CAI) has always been individualized instruction: providing a learner with an environment that is tailored to his or her learning needs and goals. Although there have been notable successes (e.g., see Larkin et al. [9]), the architecture of CAI systems has been inadequate to provide robust and rich learning environments. Starting in the early 1970s, res...
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ژورنال
عنوان ژورنال: Journal of Research in Science Teaching
سال: 1999
ISSN: 0022-4308,1098-2736
DOI: 10.1002/(sici)1098-2736(199911)36:9<973::aid-tea1>3.0.co;2-c