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I never attended lectures and understood everything from her annotated slides. Her group project was much more interesting than the first and her excel case was much easier. Quiz and final aren't hard if you attend lecture/study the slides. ","source_url":"https://www.ratemyprofessors.com/professor/2490777","quality_rating":4,"difficulty_rating":3},{"observed_at":"2026-09-07 15:58:32.924769+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTM3ODY5NzQ0","source_instructor_id":"rmp:2490777","instructor_name":"Xiaoyang Long","course_label":"OTM423","course_id":"MARKETNG/OTM 423","course_uid":"course_21f40c328bd99550bd9f745f","review_date":"2023-05-09 14:05:27 +0000 UTC","comment":"Lecture is a little dry, but overall not bad. She takes forever to grade things, but if you pay attention in lecture they aren't terribly difficult. 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