Perceptual and cognitive biases are significant factors influencing ethical judgment, conduct, and learning. These biases inhibit the quality of students' personal engagement, inquiry, and learning on cases and exercises assigned in business ethics courses. The purpose of this article is to describe certain common biases involved in the perception and interpretation of ethical dilemmas and to introduce a survey-feedback tool that can help students recognize and reduce some of these biases for ethical decision making. (Contains 1 table.)