Author: Slocum, Terry A.

Source: Cartography and Geographic Information Science, Volume 10, Number 1, April 1983 , pp. 59-72(14)

Publisher: Cartography and Geographic Information Society

Abstract:

One of the basic challenges facing geographic authors is to determine how effectively the maps in their papers and books communicate information. Such a challenge can be met if the geographer has a method available for predicting the spatial patterns that readers are likely to perceive. By comparing these predicted patterns with their own, geographers can determine the communicative effectiveness of maps they use. A logit model can predict map readers' responses to one particular type of pattern feature, the visual cluster, on graduated circle maps. The model, based on measured map characteristics, correctly predicts 92 percent of all circles as clustered or unclustered and generally predicts the correct number of clusters. Although the model does not predict clusters equally well on all maps, it does provide a useful starting point for further research on this topic.

Keywords: PERCEPTION; PATTERNS; GRADUATED CIRCLES; LOGIT MODEL

Document Type: Research article

DOI: http://dx.doi.org/10.1559/152304083783948168

Publication date: 1983-04-01

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• Cartography and Geographic Information Science (CaGIS) is the official publication of the Cartography and Geographic Information Society. CaGIS supports research, education, and practices that improve the understanding, creation, analysis, and use of maps and geographic information. The society serves as a forum for the exchange of original concepts, techniques, approaches, and experiences by those who design, implement, and use geospatial technologies through the publication of authoritative articles and international papers. The role of the CaGIS journal is to facilitate these objectives by disseminating results and reports in these areas of interest.
  
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