Task Analysis

Question 1

Hierarchical Task Analysis (HTA)

Answer 1

Goals: The unobservable task goals associated with the task in question
Operations: The observable behaviors that the operator has to perform to accomplish the goal
Plans: The unobservable decision and planning made on behalf of the operator

Question 2

Cognitive Task Analysis (CTA)

Answer 2

Breaks down components of a task in terms of cognitive ability required during each step