The plan adopted in this study has been: (1) to make a correlation between the ranking of the various States in each of the items compared; and (2) to compare the various States with each other directly with a reference to the mean of the entire United States in those items. The Pearson coefficient of correlation points out the approximate degree…

This paper presents findings from an historical investigation of visual literacy, a unique aspect being that the approach relied on the marriage of two disciplines--geography and history--which study change over time. Maps and their interpretation of data by cartographers tend to provide a foundational context that can illuminate past and present…