Hollnagel, E. (Ed.), (2003). Handbook of cognitive task design. Mahwah, NJ: Lawrence Erlbaum Associates.

What Is Cognitive Task Design?

In a Handbook of Cognitive Task Design (CTD) it is reasonable to begin by defining what CTD is. To do so it is useful first to make clear what it is not! CTD is not a new scientific discipline or academic field, neither is it a unique methodology.

CTD Is Not A New Scientific Or Academic Field

Since the mid 1970s, the terms cognitive and cognition have come to be used in so many different ways, that they have nearly lost their meaning. There has in particular been an abundance of more or less formal proposals for lines of activity or directions of study that as a common feature have included the terms cognitive and cognition in one way or another. These range from cognitive ergonomics, cognitive systems engineering, and cognitive work analysis to cognitive tools, cognitive task

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