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She proudly announces a 65% test average across multiple classes—clearly, her methods aren't working. She talks way too fast, over-explains, and rushes ahead, answering for students before they can speak. Her tests are absurdly long, full of curveballs, and cram in four units. 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I have a baby, a full time job , full time student and was still able to get an A. No excuses!","source_url":"https://www.ratemyprofessors.com/professor/1396342","quality_rating":4,"difficulty_rating":3},{"observed_at":"2026-09-07 16:20:45.645386+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTI1MzE2MTU3","source_instructor_id":"rmp:1396342","instructor_name":"Marissa Rosen","course_label":"CHEM31896","course_id":null,"course_uid":null,"review_date":"2015-10-30 13:39:38 +0000 UTC","comment":"Marissa was wonderful! As long as you go to every class, and keep up with the homework/material you should do fine! Completing practice exams is a must to succeed on tests. She makes herself available for help if you ask for it. Her organized system makes it easier to learn the material. No surprises on expectations or tests - very clear & concise","source_url":"https://www.ratemyprofessors.com/professor/1396342","quality_rating":4,"difficulty_rating":3},{"observed_at":"2026-09-07 16:20:45.645386+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTE4NDE4Mjc5","source_instructor_id":"rmp:1396342","instructor_name":"Marissa Rosen","course_label":"CHEM104","course_id":"CHEM 104","course_uid":"course_1892a0df3dfd0788ad8a857d","review_date":"2011-04-15 19:56:52 +0000 UTC","comment":"Bad teacher. Its super funny when she tries to calm down the class, because none of the students have any respect for her due to her super boring teaching methods. She was especially unhelpful/useless during the pH calculations. 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