Comparison of Methods for Learning Choropleth Maps [1988-1990: United States] (ICPSR 9759)

Version Date: Jan 12, 2006

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Principal Investigator(s):
Terry A. Slocum

https://doi.org/10.3886/ICPSR09759.v1

Version V1

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Summary

The purpose of this study was to gather information on how people learn choropleth maps and to determine which of various computer display methods is most appropriate for learning this type of map. Software was developed to enable users to explore data commonly portrayed as a choropleth map. The software was then tested in controlled experiments using undergraduates at the University of Kansas. The design for Experiments I and II, which explored reactions to the sequencing of parts of a map as compared to the more traditional method of displaying a map all at once, consisted of formal and informal portions. In the formal portion, the actual effectiveness of traditional and sequenced maps was examined. The speed and accuracy of information acquisition and retention (memory) of subjects was the focus of this phase. In the informal portion, subjects viewed several display methods and (1) picked their most and least preferred methods, (2) explained their preferences, and (3) suggested alternative display methods. Dataset 1 contains data collected in association with the publication listed below. Datasets 2 and 3 consist of data from Experiments I and II, respectively, while Dataset 4 is a text file containing the verbal protocols used for Experiment I.

Citation

Slocum, Terry A. Comparison of Methods for Learning Choropleth Maps [1988-1990: United States]. Inter-university Consortium for Political and Social Research [distributor], 2006-01-12. https://doi.org/10.3886/ICPSR09759.v1

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Funding

National Science Foundation (SES-8706847)

Subject Terms

Geographic Coverage

Distributor(s)

Inter-university Consortium for Political and Social Research
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Date of Collection

1988 -- 1990
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Data Type(s)

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Original Release Date

1993-04-02

Version History

2018-02-15 The citation of this study may have changed due to the new version control system that has been implemented. The previous citation was:
  • Slocum, Terry A. Comparison of Methods for Learning Choropleth Maps [1988-1990: United States]. ICPSR09759-v1. Ann Arbor, MI: Inter-university Consortium for Political and Social Research [distributor], 1993. http://doi.org/10.3886/ICPSR09759.v1

2006-01-12 All files were removed from dataset 5 and flagged as study-level files, so that they will accompany all downloads.

1993-04-02 ICPSR data undergo a confidentiality review and are altered when necessary to limit the risk of disclosure. ICPSR also routinely creates ready-to-go data files along with setups in the major statistical software formats as well as standard codebooks to accompany the data. In addition to these procedures, ICPSR performed the following processing steps for this data collection:

  • Standardized missing values.
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Notes