Use the knowledge you gained from Q of this chapter extension to construct a personal guid...

Use the knowledge you gained from Q of this chapter extension to construct a personal guide to map interpretation. List rules and reminders that you should use when interpreting maps, especially choropleth maps.

Q HOW DO MAPS DECEIVE?

Explain why maps are good candidates for creating deception. Describe the bias in maps and summarize your reaction to the map in Figure 1. Describe thematic and choropleth maps. Summarize interpretation problems for the maps in Figures 2 and 3. What does the map in Figure 3 actually convey? What does it appear to convey? Define MAUP, and explain how it is illustrated in Figures 5 and 6.

Figure 1 A Proper (or Improper?) Map of the World

Source: McArthur’s Universal Corrective Map of the World. © 1979 McArthur. Available world-wide from ODT, Inc. (1-800-736-1293; www.ODTmaps.com; Fax: 413-549-3503; E-mail: [email protected]). Also available in Australia from McArthur Maps, 208 Queens Parade, North Fitzroy, 3068, Australia. ODTmaps. com publishes a variety of alternative world maps including other south-on-top maps, equal area maps, and world population maps.

Figure 2 Thematic, Choropleth Map Example

Source: Bob Yoder.

Figure 3 What Is the Information in This Map?

Source: http://www.ars.usda.gov/Research/docs.htm?docid=11059=page=6.

Figure 5 First Grouping of Data in Figure 4

Figure 6 Second Grouping of Data in Figure 4

Figure 4 Average Housing Prices by City Block