Impacts of decision task, data and display on strategies for extracting information

Decision tasks often require the extraction of information from displays of quantitative data. This paper investigates how people extract information from any one of several common displays by analysing the match between display, decision task and data. We posit two kinds of activity: first, the for...

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Published in:International journal of human-computer studies 1998-02, Vol.48 (2), p.159-180
Main Authors: KENNEDY, MILES, TE'ENI, DOV, TRELEAVEN, JAMES B.
Format: Article
Language:English
Subjects:
Behavioural aspects
Decision making
Decision support systems
Design
Human-computer interaction
Information analysis
Strategies
User interface
User interfaces
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container_title International journal of human-computer studies
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creator KENNEDY, MILES
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TRELEAVEN, JAMES B.
description Decision tasks often require the extraction of information from displays of quantitative data. This paper investigates how people extract information from any one of several common displays by analysing the match between display, decision task and data. We posit two kinds of activity: first, the formulation of an appropriate extraction strategy and second, the execution of that strategy. We then develop a model ofstrategy formulation. We hypothesize that with matched designs a higher proportion of subjects use common strategies characterized by less time to formulate, less time to execute and more accurate decisions. A laboratory experiment using a new technique of graphical protocol analysis supported these hypotheses. Moreover, the experiment demonstrated how changes in display, decision task and data alter the way people select decision strategies. This suggests new opportunities for designing more effective human–computer interfaces.
doi_str_mv 10.1006/ijhc.1997.0166
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source Library & Information Science Abstracts (LISA); Elsevier
subjects Behavioural aspects
Decision making
Decision support systems
Design
Human-computer interaction
Information analysis
Strategies
User interface
User interfaces
title Impacts of decision task, data and display on strategies for extracting information
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