how many teachers working in the classroom ? day in and day out know about the Pygmalion effect?

有多少教师在课室努力工作,日复一日地研究皮格马利翁效应？

哈佛公开课 - 幸福课课程节选

how many teachers working in the classroom ? day in and day out know about the Pygmalion effect?

有多少教师在课室努力工作,日复一日地研究皮格马利翁效应？

哈佛公开课 - 幸福课课程节选