Past research has found that, by the age of three, children show positive biases toward people who are similar to them and negative biases towards those who are different. (sciencedaily.com)
In other words, it is not generally the case that black students face negative bias from white teachers in an absolute sense. (educationnext.org)
The fast activation of negative bias in the 30 ms condition, as opposed to the one in 525 ms, was indicative of the fact that prejudicial responses very often will occur when there is cognitive overload or when reflective processes are not well engaged. (blog.politics.ox.ac.uk)