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Foundations of Chemistry
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fulltext:"Man, having within himself an imagined world of lines and numbers, operates in it with abstractions just as God in the universe, did with reality"
fulltext:"Man, having within himself an imagined world of lines and numbers, operates in it with abstractions just as God in the universe, did with reality"
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Glasersfeld E. von (1974) Jean Piaget and the radical constructivist epistemology
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Cardellini L. (2008) The views and influence of Ernst von Glasersfeld: An introduction. Foundations of Chemistry 10: 129–134. https://cepa.info/4002
Cardellini L.
(
2008
)
The views and influence of Ernst von Glasersfeld: An introduction
.
Foundations of Chemistry
10: 129–134.
Fulltext at https://cepa.info/4002
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Research into learners’ ideas about science suggests that students often have alternative conceptions about important science concepts. Because of this dissatisfaction, constructivism has been adopted as a theoretical framework by many teachers and researchers, and it has had a curricular influence in many countries. Constructivism is much more than an educational doctrine and we are aware that a ‘science war’ about the possibility of objectivity is in progress. ‘Constructivism’ cannot necessary be a package deal: it must be possible to accept educational suggestions deemed useful without buying all the epistemology or the metaphysical implications. The claim that cognitive agents understand the world by constructing mental representations of it can be a shared suggestion for changing science instruction. Many teachers are much more concerned in finding productive teaching methods than about philosophical questions as if knowledge must be considered an objective representation of the real world or not. We have to ponder if some ideas from the constructivist theory of instruction can help instructors to become better teachers. The pragmatic suggestions that come from the constructivist theory of instruction developed by von Glasersfeld, the leading proponent of radical constructivism, could be a good start in this search.
Key words:
Ernst von Glasersfeld
,
forms of constructivism
,
objectivity
,
constructivist theory of instruction.
Cardellini L. & Glasersfeld E. von (2006) The foundations of radical constructivism: An interview with Ernst von Glasersfeld. Foundations of Chemistry 8: 177–187. https://cepa.info/1558
Cardellini L.
&
Glasersfeld E. von
(
2006
)
The foundations of radical constructivism: An interview with Ernst von Glasersfeld
.
Foundations of Chemistry
8: 177–187.
Fulltext at https://cepa.info/1558
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Constructivism rejects the metaphysical position that “truth,” and thus knowledge in science, can represent an “objective” reality, independent of the knower. It modifies the role of knowledge from “true” representation to functional viability. In this interview, Ernst von Glasersfeld, the leading proponent of Radical Constructivism underlines the inaccessibility of reality, and proposes his view that the function of cognition is adaptive, in the biological sense: the adaptation is the result of the elimination of all that is not adapted. There is no rational way of knowing anything outside the domain of our experience and we construct our world of experiences. In addition to these philosophical claims, the interviewee provides some personal insights; he also gives some suggestions about better teaching and problem solving. These are the aspects of constructivism that have had a major impact on instruction and have modified the manner many of us teach. The process of teaching as linguistic communication, he says, needs to change in a way to involve actively the students in the construction of their knowledge. Because knowledge is not a transferable commodity, learning is mainly identified with the activity of the construction of personal meaning. This interview also provides glimpses on von Glasersfeld’s life.
Key words:
radical constructivism
,
education
De Berg K. C. (2006) The status of constructivism in chemical education research and its relationship to the teaching and learning of the concept of idealization in chemistry. Foundations of Chemistry 8: 153–176. https://cepa.info/7119
De Berg K. C.
(
2006
)
The status of constructivism in chemical education research and its relationship to the teaching and learning of the concept of idealization in chemistry
.
Foundations of Chemistry
8: 153–176.
Fulltext at https://cepa.info/7119
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A review of the chemical education research literature suggests that the term constructivism is used in two ways: experience-based constructivism and discipline-based constructivism. These two perspectives are examined as an epistemology in relation to the teaching and learning of the concept of idealization in chemistry. It is claimed that experience-based constructivism is powerless to inform the origin of such concepts in chemistry and while discipline-based constructivism can admit such theoretical concepts as idealization it does not offer any unique perspectives that cannot be obtained from other models. Chemical education researchers do not consistently appeal to constructivism as an epistemology or as a teaching/ learning perspective and it is shown that, while it draws attention to worthwhile teaching/learning strategies, it cannot be considered as foundational to chemical education research and tends to be used more as an educational label than as an undergirding theory.
Key words:
experience-based constructivism
,
discipline-based constructivism
,
idealization
Luisi P. L. (2002) Emergence in chemistry: Chemistry as the embodiment of emergence. Foundations of Chemistry 4(3): 183–200.
Luisi P. L.
(
2002
)
Emergence in chemistry: Chemistry as the embodiment of emergence
.
Foundations of Chemistry
4(3): 183–200.
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The main aim of the paper is to reinforce the notion that emergence is a basic characteristic of the molecular sciences in general and chemistry in particular. Although this point is well accepted, even in the primary reference on emergence, the keyword emergence is rarely utilized by chemists and molecular biologists and chemistry textbooks for undergraduates. The possible reasons for this situation are discussed. The paper first re-introduces the concept of emergence based on very simple geometrical forms; and considers some simple chemical examples among low and high molecular weight compounds. On the basis of these chemical examples, a few interesting philosophical issues inherent to the field of emergence are discussed – again making the point that such examples, given their clarity and simplicity, permit one to better understand the complex philosophical issues. Thus, the question of predictability is discussed, namely whether and to what extent can emergent properties be predicted on the basis of the component’s properties; or the question of the explicability (a top down process). The relation between reductionism and emergentism is also discussed as well as the notion of downward causality and double causality (macrodeterminism); namely the question whether and to what extent the emergent properties of the higher hierarchic level affect the properties of the lower level components. Finally, the question is analyzed, whether life can be considered as an emergent property. More generally, the final point is made, that the re-introduction of the notion of emergence in chemistry, and in particular in the teaching, may bring about a deeper understanding of the meaning of chemical complexity and may bring chemistry closer to the humanistic areas of philosophy and epistemology.
Sánchez Gómez P. J. (2013) The semantics of chemical education: Constructivism, externalism and the language of chemistry. Foundations of Chemistry 15(1): 103–116. https://cepa.info/6936
Sánchez Gómez P. J.
(
2013
)
The semantics of chemical education: Constructivism, externalism and the language of chemistry
.
Foundations of Chemistry
15(1): 103–116.
Fulltext at https://cepa.info/6936
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In this paper we present a semantic analysis of the application of didactic constructivism to chemical education. We show that the psychological basis of constructivism yield, when applied to chemistry, an internalist semantics for the chemical names. Since these names have been presented as typical examples of an externalism for kind terms, a fundamental incompatibility ensues. We study this situation, to conclude that it affects chemical education at every level. Finally, we present a preliminary analysis of this problem from the point of view of physics.
Key words:
semantic externalism
,
semantic internalism
,
kind terms
,
chemical nomenclature
,
chemical education
,
hilary putnam
,
reduction.
Taber K. S. (2006) Constructivism’s new clothes: The trivial, the contingent, and a progressive research programme into the learning of science. Foundations of Chemistry 8(2): 189–219. https://cepa.info/6987
Taber K. S.
(
2006
)
Constructivism’s new clothes: The trivial, the contingent, and a progressive research programme into the learning of science
.
Foundations of Chemistry
8(2): 189–219.
Fulltext at https://cepa.info/6987
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Constructivism has been a key referent for research into the learning of science for several decades. There is little doubt that the research into learners’ ideas in science stimulated by the constructivist movement has been voluminous, and a great deal is now known about the way various science topics may commonly be understood by learners of various ages. Despite this significant research effort, there have been serious criticisms of this area of work: in terms of its philosophical underpinning, the validity of its most popular constructs, the limited scope of its focus, and its practical value to science teaching. This paper frames this area of work as a Lakatosian Research Programme (RP), and explores the major criticisms of constructivism from that perspective. It is argued that much of the criticism may be considered as part of the legitimate academic debate expected within any active RP, i.e. arguments about the auxiliary theory making up the ‘protective belt’ of the programme. It is suggested that a shifting focus from constructivism to ‘contingency in learning’ will allow the RP to draw upon a more diverse range of perspectives, each consistent with the existing hard core of the programme, which will provide potentially fruitful directions for future work and ensure the continuity of a progressive RP into learning science.
Key words:
science education
,
conceptual change
,
hard core
,
alternative conception
,
alternative framework.
Wink D. J. (2006) Connections between pedagogical and epistemological constructivism: Questions for teaching and research in chemistry. Foundations of Chemistry 8(2): 111–151.
Wink D. J.
(
2006
)
Connections between pedagogical and epistemological constructivism: Questions for teaching and research in chemistry
.
Foundations of Chemistry
8(2): 111–151.
Copy Citation
The rich and ongoing debate about constructivism in chemistry education includes questions about the relationship, for better or worse, between applications of the theory in pedagogy and in epistemology. This paper presents an examination of the potential to use connections of epistemological and pedagogical constructivism to one another. It examines connections linked to the content, processes, and premises of science with a goal of prompting further research in these areas.
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