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Evaluating Cognitive Complexity
Evaluating cognitive complexity

Cognitive tools, on the whole, are information-based tools, ones with interior representations and for which the design problems are complex. There is no folk design for cognitive artifacts…. Cognitive tools are simply harder to get right.

—Donald Norman

The design of “cognitive tools” is harder to get right! This chapter is about creating a unique set of evaluation methods capable of measuring the effectiveness of LCD in order to get it right. As we move through the chapters of Part II, we will elicit a series of design principles, some quite old, others new, based on some aspect of research in cognitive or information science that specifically attacks cognitive complexity (CC). Some of the guidelines will help manage complexity by aligning with ...

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