“Data made me do it.”
Measurement is great. Without it we don’t know where we are, how we’re doing, or how to improve. But we need to be careful about how we use it. Because without realizing it, measurement determines rewards and motivation. It determines what people care about, what they work to achieve, and whether they cheat to get there. Tracking student test scores helps measure achievement, but it also encourages teachers to teach to the test.
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