[{"observed_at":"2026-09-07 16:36:23.251989+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTM2MTcwMzUx","source_instructor_id":"rmp:1136169","instructor_name":"Huifang Xu","course_label":"GEOSCI331","course_id":"GEOSCI 331","course_uid":"course_81f4461a09a3e6c844c539a7","review_date":"2022-04-27 17:37:08 +0000 UTC","comment":"If you ever need a 1 credit easy A, take geo sci 331! Super easy but also interesting class. Lectures are PDFs, and you have quizzes for your grade. Very easy questions... Definitely would take a class with him again!","source_url":"https://www.ratemyprofessors.com/professor/1136169","quality_rating":3.0,"difficulty_rating":1.0},{"observed_at":"2026-09-07 16:36:23.251989+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTM0Njg3NzIw","source_instructor_id":"rmp:1136169","instructor_name":"Huifang Xu","course_label":"GEOSCI331","course_id":"GEOSCI 331","course_uid":"course_81f4461a09a3e6c844c539a7","review_date":"2021-05-03 16:10:06 +0000 UTC","comment":"Easy class, easy tests, nice professor","source_url":"https://www.ratemyprofessors.com/professor/1136169","quality_rating":5.0,"difficulty_rating":1.0},{"observed_at":"2026-09-07 16:36:23.251989+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTMxMTExMzky","source_instructor_id":"rmp:1136169","instructor_name":"Huifang Xu","course_label":"GEOSCI331","course_id":"GEOSCI 331","course_uid":"course_81f4461a09a3e6c844c539a7","review_date":"2018-12-20 04:32:43 +0000 UTC","comment":"Please do not take this class. The questions are so extremely nitpicky. It's not about if you read and reviewed the material, it's about if you're able to link 5 trivial details to get to an answer. Quizzes and tests are graded incorrectly because he isn't using the technology correctly, but it still took me emailing him 3 times to get a response.","source_url":"https://www.ratemyprofessors.com/professor/1136169","quality_rating":1.0,"difficulty_rating":5.0},{"observed_at":"2026-09-07 16:36:23.251989+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTMwMTQ0NjA2","source_instructor_id":"rmp:1136169","instructor_name":"Huifang Xu","course_label":"GEOSCI331","course_id":"GEOSCI 331","course_uid":"course_81f4461a09a3e6c844c539a7","review_date":"2018-05-18 11:06:48 +0000 UTC","comment":"exams are 30 questions long. You have to use all the lectures to find the answers. exams are timed.","source_url":"https://www.ratemyprofessors.com/professor/1136169","quality_rating":3.0,"difficulty_rating":4.0},{"observed_at":"2026-09-07 16:36:23.251989+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTI5MzEyMTA1","source_instructor_id":"rmp:1136169","instructor_name":"Huifang Xu","course_label":"GEOSCI331","course_id":"GEOSCI 331","course_uid":"course_81f4461a09a3e6c844c539a7","review_date":"2017-12-21 23:38:42 +0000 UTC","comment":"Online course, grade will be an A/B. If I had to do this again: 1) Download all the lectures 2) Combine all 15 via combinepdf, download, put in binder 3) Five combinepdf's relevant to quizzes/midterm and download 4) Draw concepts  make diagrams 5) Start gem spreadsheet w/ Parent gem categories Child subtypes 6) Exam Qs are 2-3 parts","source_url":"https://www.ratemyprofessors.com/professor/1136169","quality_rating":5.0,"difficulty_rating":4.0},{"observed_at":"2026-09-07 16:36:23.251989+00:00","run_id":"20260907T155543-ce3781c4","source_review_id":"UmF0aW5nLTIzMzA5MjAz","source_instructor_id":"rmp:1136169","instructor_name":"Huifang Xu","course_label":"GEOSCI331","course_id":"GEOSCI 331","course_uid":"course_81f4461a09a3e6c844c539a7","review_date":"2014-05-24 18:12:21 +0000 UTC","comment":"I genuinely cannot understand how anyone could earn less than an A in this course.","source_url":"https://www.ratemyprofessors.com/professor/1136169","quality_rating":4.0,"difficulty_rating":1.0}]