【锚点】这一篇只钉一件事:课堂上的沉默不是【教学事故】,是【认知加工正在发生】的可观测信号。教师的本能是把沉默填满,而填满沉默的动作,恰好抹掉了唯一能看见学生思考的证据。 【显式】Mary Budd Rowe 1974 年在《Journal of Research in Science Teaching》发表的研究:小学科学课上,教师提问后到叫答或自答的平均等待时间约 0.9…
【锚点】这一篇只钉一个判断:课堂上最便宜、最有效、也最被低估的教学动作,是【提问之后闭嘴 3 秒】。它不是修养问题,它是一台【诊断仪】——用来把「检索失败」和「还没想好」这两件完全不同的事分开。 【显式】Mary Budd Rowe 1974 年在 Journal of Research in Science Teaching 上那篇《Wait-Time and Rewards as…
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