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Future Methods
Pages 22-24

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From page 22...
... Some needs of theories art suggested in the field of supervisory control and in office analysis techniques, but a more explicit theory it needed to prescribe the best mix of human and computer processing. Theories of individual differences would tell us about the different kinds of computer support required and desired by different user populations.
From page 23...
... In addition, there is a need for better hardware tools for collecting logging and metering information without slowing the system that the user normally interacts with. More specific methods are needed for analyzing the mountain of data that comes from protocol analysis, not only in deducing how the user i s satisfying h is or her task goals and subgoals, but also in deducing ongoing memory and perceptual loads on the user and how the user compensates for them in per
From page 24...
... Research methods considered most likely to produce high payoff in the near future include: o Representations of the users' understanding of a systems 0 Representations of a dialog to convey the design to programmers; o More comprehensive task analyses that include memory, perceptual , and language considerations as well as timing and error predictions" and o Hardware advances that allow the collection of logging and metering data for tapping the current use of a system.


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