Visual Encoding: Examples for reflection

Student Reflection

Analyze the maps shown below. For each map, name the level of measurement of the data mapped. What visual variables are used to encode this data? Is the map effective—does the map tell you what you need to know?

Color coded map of Population Change for States (and Puerto Rico): From April 1, 2017 to July 1, 2018
Figure 6.6.1: Example Map #1
Credit: Census.gov
USDA Plant Hardiness Zone map
Figure 6.6.2: Example Map #2
Credit: usda.gov (click link for a larger image!)
Interactive map: Big Game Census
Figure 6.6.3: Example Map #3
Credit: Census.gov (click link for an interactive graphic!)