CPE CPE Cognitive Ergonomics & Mental Workload Questions and Answers

Question 1

Which stage of Wickens' Multiple Resource Theory (MRT) refers to central processing of information?

Accepted Answer

Processing stage

Answer

In Wickens' MRT, the processing stage dimension distinguishes between perceptual/cognitive tasks and response execution tasks competing for the same resources.

Question 2

The NASA Task Load Index (NASA-TLX) measures subjective workload across how many dimensions?

Accepted Answer

6

Answer

NASA-TLX assesses subjective workload using six subscales: mental demand, physical demand, temporal demand, performance, effort, and frustration.

Question 3

Situation awareness (SA) as defined by Endsley has how many levels?

Accepted Answer

3

Answer

Endsley's model of situation awareness consists of three levels: perception of elements, comprehension of the situation, and projection of future states.

Question 4

What does 'mental model' mean in cognitive ergonomics?

Accepted Answer

An internal representation of how a system works

Answer

A mental model is a user's internal cognitive representation of how a system operates, which guides predictions and interactions.

Question 5

Which cognitive bias involves overweighting the first piece of information encountered when making decisions?

Accepted Answer

Anchoring bias

Answer

Anchoring bias causes decision-makers to rely too heavily on the first information presented, even when subsequent evidence should revise the estimate.

(CPE) Certified Professional Ergonomist Practice Test

(CPE) Certified Professional Ergonomist Practice Test

CPE CPE Cognitive Ergonomics & Mental Workload Questions and Answers