VALIDATION OF THE DEI TECHNIQUE FOR LARGE-SCALE DISPLAY EVALUATION

The validity of the display evaluative index technique was investigated in two separate studies. Both studies indicated adequate predictive validity for the technique. The ability of the technique to predict 'decision making' was found to be superior to its ability to predict 'informa...

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Bibliographic Details
Main Authors: Siegel, Arthur I, Federman, Philip J
Format: Report
Language:English
Subjects:
ANALYSIS OF VARIANCE
APPLIED PSYCHOLOGY
CODING
COLORS
COMPUTER PROGRAMMING
DECISION MAKING
DISPLAY SYSTEMS
EFFECTIVENESS
Human Factors Engineering & Man Machine System
MAN MACHINE SYSTEMS
PERFORMANCE(HUMAN)
PICTURES
PREDICTIONS
PSYCHOLOGICAL TESTS
Psychology
STATISTICAL ANALYSIS
TABLES(DATA)
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Summary:The validity of the display evaluative index technique was investigated in two separate studies. Both studies indicated adequate predictive validity for the technique. The ability of the technique to predict 'decision making' was found to be superior to its ability to predict 'information extraction' processes. Generally, it was found that pictorial type displays are superior to tabular displays for 'decision making;' no difference seemed manifest between the two display types for 'information extraction.' Adding appropriate color coding seemed to augment the ability of the user to employ display information. As fact density increased, display decision making scores decreased.