Many graduate students (and unfortunately, some of their professors) think that the Hawthorne anomaly illustrates the fact that human subjects who know they are part of a scientific experiment may sabotage the study in their eagerness to make it succeed. What it really shows is that, when people believe they are important in a project, anything works, and, conversely, when they don’t believe they are important, nothing works.
The second reason for championing greater creativity for all is that, through the process of inventing, people learn to understand what their inventions can and cannot do. They learn how to fine-tune them for optimum performance, and, maybe, figure out what changes are needed to produce even better models in the future. In short, they acquire the intimate knowledge of object, system, and use that makes an invention truly their own.
The third reason is simply that a big part of teaching is inventing. Good teachers invent successfully all day long, every day. They invent better ways to explain lessons, to entice reluctant learners, to bring unruly classes under control, and to fire children’s imaginations. When teachers won’t or can’t invent, believe me, the kids will–100 ways to shoot their teachers down. If we want good teaching at the bottom of the pyramid, we’ve got to let all teachers learn their craft.
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