It seems extremely likely that there’s a correlation between having racist beliefs and speaking them. In particular, the more extreme one’s racist beliefs are, the more likely that one will a) consider racist beliefs acceptable to say (some combination of illusion of transparency and typical mind fallacy) and b) will consider more moderate racial claims as less controversial in comparison.
It seems extremely likely that there’s a correlation between having racist beliefs and speaking them. In particular, the more extreme one’s racist beliefs are, the more likely that one will a) consider racist beliefs acceptable to say (some combination of illusion of transparency and typical mind fallacy) and b) will consider more moderate racial claims as less controversial in comparison.