SST102: In implementing human factors solutions, environmental design should be considered last: Human Factors and Systems Design, SUSS

Question 1

Apply your understanding of human factors to answer all parts of Question 1. Indicate in the attached answer sheet on page ELEVEN (11) whether each statement is TRUE or FALSE.

Detach your completed answer sheet and secure it together with your answer booklet for submission.

Question 1a
In implementing human factors solutions, environmental design should be considered last.

Question 1b
One of the activities during iterative design and testing is the creation of mock–ups.

Question 1c
The periphery of the retina contains only rods receptor cells.

Question 1d
Sans serif fonts such as Arial should be used for large amounts of text appearing on printed material.

Question 1e
Light text on a dark background is considered a positive contrast.

Question 1f
Emergency alarm signals that must be sensed should be in an auditory form.

Question 1g
The upper limit or capacity of long–term memory is greater than 7 + 2 units of
information.

Question 1h
Fill–in–the–blanks type of questions require recall memory.

Question 1i
Normative decision models show how humans actually make decisions.

Question 1j
In decision making, cognitive tunneling occurs when people tend to adopt a fewbhypotheses.

Question 1k
Expertise development goes from knowledge–based to rule–based and finally to skill– based behaviour.

Question 1l
The principle of the moving part is a memory principle of display design.

Question 1m
According to Fitt’s law, when width of target decreases, movement time (MT)
increases.

Question 1n
In applying anthropometry, design for a range is typically from the 5th to 95th percentile.

Question 1o
In the NIOSH lifting equation, the load constant (LC) is 22kg.

Question 1p
Even when under stress, the capacity of working memory is always 7 + 2 units of information.

Question 1q
As the level of arousal increases at the beginning of a task, performance increases.

Question 1r
Placing two identical looking buttons next to one another will invite an intentional error of commission.

Question 1s
When we maintain the layout of controls between two systems, there will be positive transfer of training.

Question 1t
Error elimination is the most important usability criterion when designing critical systems.

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