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The 3 coupled interactive maps "What educational policy change looks like" [lonelydatum.com], developed by Gar Liu, reveals the impact of Michigan state to increase the minimum score needed on the state test to be considered "proficient". The maps provide an overview of how the impact of this legislation varied from district to district and across the subjects of reading, math and science.

The greater the percentage drop in proficiency rates since 2010, the darker the shading, and vice versa. Accordingly, one can perceive less contrast on the reading map as there was a considerably smaller range of percentage decreases compared to other subjects, such as math and science. In addition, the map shows some correlation between income and the decrease in grades, as the areas with higher income seem to be least affected by the new policy. Also, reading seems to be not as difficult in demonstrating proficiency, as opposed to science.

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