Why most professional development for teachers is useless
The reason traditional professional development is ineffective is that it doesn’t support teachers during the stage of learning with the steepest learning curve: implementation. In the same way that riding a bike is more difficult than learning about riding a bike, employing a teaching strategy in the classroom is more difficult than learning the strategy itself. In several case studies, even experienced teachers struggled with a new instructional technique in the beginning (Ermeling, 2010; Joyce and Showers, 1982). In fact, studies have shown it takes, on average, 20 separate instances of practice before a teacher has mastered a new skill, with that number increasing along with the complexity of the skill (Joyce and Showers, 2002).
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