A bias may be favorable or unfavorable: bias in favor of or against an idea.Prejudice implies a preformed judgment even more unreasoning than bias, and usually implies an unfavorable opinion: prejudice against people of another religion.
A bias may be favorable or unfavorable: bias in favor of or against an idea.Prejudice implies a preformed judgment even more unreasoning than bias, and usually implies an unfavorable opinion: prejudice against people of another religion.