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Andreas Quale 《Science & Education》2007,16(3-5):231-266
The epistemology of relativism that is featured by the theory of radical constructivism is addressed. In particular, I examine several objections, all based
on this epistemic position of relativism, that are often raised by critics of the theory: the charge of reality denial (which, it is often claimed, must lead ultimately to the epistemically problematic position of solipsism), the assertion of self-referential contradiction (a theory that rejects the notion of truth cannot itself claim to be true), and the accusation that the theory must lead to a position of ethical indifference. It is demonstrated that these objections do not hold: they arise, to a large extent, from the failure to distinguish properly
between different knowledge domains – specifically, between the notions of cognitive and non-cognitive knowledge. Some concrete
examples, specifically pertaining to the conflict between natural science and creationism, are addressed; and their relevance
for science education is discussed. 相似文献
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The Role of Metaphor in Scientific Epistemology: A Constructivist Perspective and Consequences for Science Education 总被引:1,自引:0,他引:1
I examine the role played by metaphor, in supporting andconditioning our thinking about theoretical models of learning in science education.Some examples are given, of cases where the use of inappropriate metaphors can actually counteract a properunderstanding of the topic being learnt. With special reference to von Glasersfeld's theory of radicalconstructivism, it is argued that much of the controversy appearing in the academic discussion of this theorystems from the injudicious use of metaphors of ``truth' and ``reality', concepts that are in a sense inheritedfrom the domain of Law. These metaphors are often taken too literally, as representing ``obvious' and henceindisputable constraints on scientific investigation; and they then strongly favour the adoption of an epistemologyof scientific realism, which is at variance with the theory of knowledge that is proposed by radical constructivism.However, it is argued that this realist epistemology is not compelling, since it rests on a somewhat contentiousmetaphoric base, and that a radical-constructivist epistemology offers a better strategy for the purposesof science education. 相似文献
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