Correct assessment of students’ cognitive styles has a profound influence in choosing suitable teaching strategies and improving students’ performance. This research uses Jung s cognitive style questionnaire to investigate whether student s grades are related to their cognitive style. The questionnaire was administered to randomly selected students in a business management course in a university in Iran. Several tests, including η, χ2 and mean score comparison (Duncan test) were applied to examine the study s hypotheses. The results show that student cognitive styles predict student grades. It was also found that contrary to common perceptions and cross-cultural research findings, students, particularly female students, preferred logically-oriented cognitive style over sentimentally-oriented cognitive style. This finding, if validated in future research, has a fairly strong message for educators in Iran.

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