Courtesy bias is the tendency of people to behave in a more polite and respectful manner when interacting with those of higher social status. This phenomenon has been studied extensively in the social sciences, and its impact on social norms is significant. It can lead to unequal treatment
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Response bias is a general term for a wide range of tendencies for participants to respond inaccurately or falsely to questions. These biases are prevalent in research involving participant self-report, such as structured interviews or surveys. Response biases can have a large impact on the validity of questionnaires or surveys.