One major basis for this developmental theory is task analysis.

The chain of responses is broken down into small steps using task analysis.

Adaptive skills encompass a range of daily situations and they usually start with a task analysis.

The study of demands on the operator requires task analysis.

Nevertheless, such activity comes under the heading of task analysis (Fig. 1.16).

This is known as the talk through or walk through method of task analysis.

Diagnostic task analysis is even more complex and may indeed be virtually impossible to complete.

In such situations, the task analysis requires extensive discussion rather than observation.

Though very distinct, user analysis is related to task analysis.

This is done by creating a task analysis that defines: