Week 4

Question 1

What is the purpose of a TA?

Answer 1

Captures major tasks of a job & steps to figure out an expert performer.

Question 2

What are the 3 types of TAs?

Answer 2

1. Infoprocessing Analysis
2. Hiearchical Analysis
3. SME Analysis

Question 3

What are some methods used in a TA?

Answer 3

Observations, Think-aloud, interview, self try, etc

Question 4

What is a prescribed task?

Answer 4

A task with a clear goal and means to accomplish is well established.

Ex. Recipe, Algorithm

Question 5

What is a discretionary task?

Answer 5

A task with either an unclear goal or means to accomplish varies.

Question 6

What is the difference from a task analysis vs a performance analysis?

Answer 6

1. Task Analysis primarily finds out in detail what competent people do.
2. Performance analysis discovers what is keeping people from doing what they are supposed to do.