Task Analysis

Question 1

Task Analysis techniques

Answer 1

are used to understand and represent human and system performance in a particular task or scenario

Question 2

Hierarchical Task Analysis (HTA)

Answer 2

HTA involves breaking down the task under analysis into a hierarchy of goals, operations and plans

Question 3

HTA Goals:

Answer 3

The unobservable task goals associated with the task in question

Question 4

HTA Operations:

Answer 4

The observable behaviors or activities that the operator has to perform in order to accomplish the goal of the task in question

Question 5

HTA Plans:

Answer 5

The unobservable decisions and planning made on behalf of the operator

Question 6

Cognitive Task Analysis (CTA)

Answer 6

Breaks down the components of the task in terms of the cognitive abilities required during each step
May examine the perceptual ability or motor ability requirements as well