I mean, if you do the--If you look at the results for the study, it turns out that there is an association as bias to view white Americans as positive and African Americans as negative but it shows up in half a second difference.

如果你看这些研究的结果，你会发现人们有一种偏见,把白人和积极的意义联系在一起,把黑人与消极的意义联系在一起,你只有看这半秒的差别，才能发现这种偏见。

耶鲁公开课 - 心理学导论课程节选

So we are kind of... using more like positive and negative reinforcements and

所以我们就……更多地使用积极强化和消极强化，

体罚是不可取的 - SpeakingMax英语口语达人