Question

6. Two workers who monitor faults in a network at their computer stations have different (single) tasks. Both perform at the required level on their respective tasks. However, one complains of too much mental workload. Which of the following approaches for measuring mental workload will be the worst choice (according to lecture)? A. Have both controllers complete a questionnaire rating their mental workload. B. Measure the number of eye blinks while at their workstations. C. Measure both controllers' heart rates while they do their daily tasks. D. Simply, straightforwardly, comparing the performance on their respective tasks. E. Having both controllers do another (secondary) task, e.g. hit a key when a light comes on, while they do their regular task - then compare their performance scores on this secondary task. Page 4 of 21 o

Answer 1

The worst method to calculate work load is

(B) Measure the number of eye blink while at their work station.

I am pretty sure of the answer. Please dear thumpsup for the answer. Thank you.