Courtesy of CRC Press/Taylor & Francis Group
FIGURE 12.1 The Nekker cube.
012x001.tif
Courtesy of CRC Press/Taylor & Francis Group
FIGURE 12.2 STROOP test stimuli.
012x002.eps
Courtesy of CRC Press/Taylor & Francis Group
Books from
Taylor & Francis
New!
Engineering
Psychology
Medicine
Introduction to ergonomics
FIGURE 12.3 Banner blindness occurs when people look at a web page but do not see the banner—they only
see the links. (Redrawn and adapted from, Benway, J.P. 1998. Banner blindness, the irony of attention-getting
on the world-wide web. In, Proceedings of the 42nd Annual Meeting of the Human Factors and Ergonomics
Society, pp. 463–467.)
012x003.eps
Courtesy of CRC Press/Taylor & Francis Group
Retention function STS
B
100
Correct recall (%)
1
A – Recency effect
B – Primacy effect
23 45 19
Serial (list) position
20 21 22
_ _ _ _ _ _ _
Immediate recall
A
Delayed recall
FIGURE 12.4 The serial position effect in short-term storage.
012x004.eps
Courtesy of CRC Press/Taylor & Francis Group
Executive processor
limited capacity
SBR
1
SBR
2
SBR
n
•••
Courtesy of CRC Press/Taylor & Francis Group
Courtesy of CRC Press/Taylor & Francis Group
Courtesy of CRC Press/Taylor & Francis Group
HAS
(3) (6) (4) (7)
FIGURE 12.8 Concepts are stored in an associative manner in the semantic network. They are linked to
words which are stored separately in a mental dictionary. (Redrawn from Collins, A.M. and Quillian, M.R.,
Cognition in Learning and Memory, L.W. Gregg, ed. Wiley & Sons, New York.)
012x008.eps
Courtesy of CRC Press/Taylor & Francis Group
Operator
decision
Was it
possible to
complete the
task?
Was the
workload
acceptable for the
task?
Was the
workload satisfactory
without reducing your
Yes
Yes
No
Your assessment of your level of workload by
assessing how much spare capacity you have to
perform other tasks when operating the CB-90
Your
workloa
d
rating
1
2
3
4
5
6
Task abandoned. operator unable to apply sufficient
effort.
Extremely high workload. No spare capacity. Serious
doubts as to ability to maintain level of effort.
Very high workload with almost no spare capacity.
Difficulty in maintaining level of effort.
Very little spare capacity, but maintenance of effort in
the primary task not in question.
Little spare capacity. Level of effort allows little
attention to additional tasks.
Reduced spare capacity. Additional tasks cannot be
given the desired amount of attention.
No
No