课堂激励措施可缩小社会经济地位造成的不平等 (IMAGE) Universidad Carlos III de Madrid Caption 在德国柏林学校进行的实验环节之一。图片来源 Credit Barbara Schlüter。 Usage Restrictions Credit must be given to the creator. License CC BY Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.