These lecture notes were not written as a course handout, but as a resource for lectures. Therefore, references and comments will not always be complete.
(part 5 of 5)
Size of systems: often large
Cognitive constraints: black box problems: users don't' get adequate
feedback of what is going on, lack of visibility. See Norman for
examples and also note the crashes that will be discussed in
lectures.
Social and organisation factors: communication problems
Problems with the design and construction of systems
Problems of automation
All these problems give rise to the need for a better understanding
of how operators actually function.
HF needs to go beyond recommendations about the design of technology
- it has to offer a conceptual basis for these recommendations.
Cognitive ergonomics (i.e. ergonomics of human factors
practice which centralises cognitive issues in device use. e.g.
attention, learning, memory, communication through written and spoken
language, etc.) addresses some of these
anthropometrics, behavioural, cognitive, psycho-social,
socio-technical, stakeholders, users, operators, human operators,
designers, subjects, participants.