As instructional designers, we know the power of helping our learners visualize data. Charts and graphs are perfect vehicles for doing so. However, we need to make sure we aren’t distorting the information in our efforts to clarify the key points and make them memorable.
For example, a learner glancing at the two graphs below might think that District B’s scores increased dramatically, while District A’s scores increased modestly.
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Yet, the data represented in the two graphs i