A model for designing Computer-Supported Cognitive Tools
Abstract
We present here a model for designing computer-supported cognitive tools. This model uses Popper's theory of knowledge, which is suitable for the design of knowledge-oriented tools. Three levels are successively considered in the design of such tools: the material world 1, the artefactual world 3, and the cognitive world 2. This three-level model can be used either beforehand for designing new cognitive tools or a posteriori for analyzing them.
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