GRAPHICAL MODES OF DIALOGUE WITH SPATIAL INFORMATION FOR TACTICAL PLANNING

Authors
  1. Boudreau, G.
  2. McCann, C.
Corporate Authors
Defence and Civil Inst of Environmental Medicine, Downsview ONT (CAN)
Abstract
The study addresses the graphical modes of human dialogue in the context of a military planning task that involves extensive use of spatial data. Specifically, the aims of the study are: (a) to define a lexicon of graphical (hand) actions that planners use spontaneously while interacting with a topographic map display; (b) to determine the extent to which these actions are common to different individuals; and, (c) if they commonly used, to specify the extent to which they use these actions in similar proportions. Seven military officers provided verbal and graphical estimates of a tactical situation portrayed on a topographic map. These sessions were videotaped. The graphical components consisted of spontaneous graphical actions involving a physical reference to objects or symbols on the map. We derived a lexicon of graphical actions based on a set of physical (spatial, temporal) properties that characterised the actions. This lexicon comprises 14 types of actions grouped in five categories: point motions, curvilinear motions, linear motions, two-dimensional motions, and drawings. With two exceptions, these categories of actions were used by all subjects. However, statistical analysis showed that subjects differed in the proportion of times they used each type of action. TRUNCATED.
Keywords
Multimodal dialogue;Significants;Signifiers;Spatial displays
Report Number
DCIEM-94-03 —
Date of publication
01 Feb 1994
Number of Pages
31
DSTKIM No
94-01951
CANDIS No
140250
Format(s):
Hardcopy;Originator's fiche received by DSIS

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