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Lectures are PDFs, and you have quizzes for your grade. Very easy questions... Definitely would take a class with him again!\",\"course_id\":\"GEOSCI 331\",\"date\":\"2022-04-27 17:37:08 +0000 UTC\",\"difficulty_rating\":1,\"id\":\"4b6ad810a89e69facb56df65\",\"instructor_id\":\"rmp:1136169\",\"instructor_name\":\"Huifang Xu\",\"quality_rating\":3,\"source_review_id\":\"UmF0aW5nLTM2MTcwMzUx\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1136169\"}],\"evidence_count\":5,\"review_ids\":[\"a934fee422376c633aba70d5\",\"c31e040d5256e718c968fe8a\",\"0ebf45471fec09068be7debc\",\"304e756e2ed12e6a046e402e\",\"4b6ad810a89e69facb56df65\"],\"scope\":{\"historical\":true,\"instructors\":[{\"id\":\"rmp:1136169\",\"name\":\"Huifang Xu\"}],\"review_year_end\":\"2022\",\"review_year_start\":\"2014\"},\"sentiment\":\"mixed\",\"summary\":\"Reviews vary significantly, with some calling it an easy A and others finding it extremely difficult and nitpicky.\"},{\"aspect\":\"assessment\",\"evidence\":[{\"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\",\"course_id\":\"GEOSCI 331\",\"date\":\"2017-12-21 23:38:42 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"c31e040d5256e718c968fe8a\",\"instructor_id\":\"rmp:1136169\",\"instructor_name\":\"Huifang Xu\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTI5MzEyMTA1\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1136169\"},{\"comment\":\"exams are 30 questions long. You have to use all the lectures to find the answers. exams are timed.\",\"course_id\":\"GEOSCI 331\",\"date\":\"2018-05-18 11:06:48 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"1756922a6c8e0660d3a10502\",\"instructor_id\":\"rmp:1136169\",\"instructor_name\":\"Huifang Xu\",\"quality_rating\":3,\"source_review_id\":\"UmF0aW5nLTMwMTQ0NjA2\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1136169\"},{\"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.\",\"course_id\":\"GEOSCI 331\",\"date\":\"2018-12-20 04:32:43 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"0ebf45471fec09068be7debc\",\"instructor_id\":\"rmp:1136169\",\"instructor_name\":\"Huifang Xu\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTMxMTExMzky\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1136169\"},{\"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!\",\"course_id\":\"GEOSCI 331\",\"date\":\"2022-04-27 17:37:08 +0000 UTC\",\"difficulty_rating\":1,\"id\":\"4b6ad810a89e69facb56df65\",\"instructor_id\":\"rmp:1136169\",\"instructor_name\":\"Huifang Xu\",\"quality_rating\":3,\"source_review_id\":\"UmF0aW5nLTM2MTcwMzUx\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1136169\"}],\"evidence_count\":4,\"review_ids\":[\"c31e040d5256e718c968fe8a\",\"1756922a6c8e0660d3a10502\",\"0ebf45471fec09068be7debc\",\"4b6ad810a89e69facb56df65\"],\"scope\":{\"historical\":true,\"instructors\":[{\"id\":\"rmp:1136169\",\"name\":\"Huifang Xu\"}],\"review_year_end\":\"2022\",\"review_year_start\":\"2017\"},\"sentiment\":\"mixed\",\"summary\":\"Assessment methods include timed exams and quizzes. Some find them easy, while others find the questions extremely nitpicky and requiring complex linking of details.\"},{\"aspect\":\"teaching_clarity\",\"evidence\":[{\"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.\",\"course_id\":\"GEOSCI 331\",\"date\":\"2018-12-20 04:32:43 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"0ebf45471fec09068be7debc\",\"instructor_id\":\"rmp:1136169\",\"instructor_name\":\"Huifang Xu\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTMxMTExMzky\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1136169\"},{\"comment\":\"Easy class, easy tests, nice professor\",\"course_id\":\"GEOSCI 331\",\"date\":\"2021-05-03 16:10:06 +0000 UTC\",\"difficulty_rating\":1,\"id\":\"304e756e2ed12e6a046e402e\",\"instructor_id\":\"rmp:1136169\",\"instructor_name\":\"Huifang Xu\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTM0Njg3NzIw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1136169\"},{\"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!\",\"course_id\":\"GEOSCI 331\",\"date\":\"2022-04-27 17:37:08 +0000 UTC\",\"difficulty_rating\":1,\"id\":\"4b6ad810a89e69facb56df65\",\"instructor_id\":\"rmp:1136169\",\"instructor_name\":\"Huifang Xu\",\"quality_rating\":3,\"source_review_id\":\"UmF0aW5nLTM2MTcwMzUx\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1136169\"}],\"evidence_count\":3,\"review_ids\":[\"0ebf45471fec09068be7debc\",\"304e756e2ed12e6a046e402e\",\"4b6ad810a89e69facb56df65\"],\"scope\":{\"historical\":true,\"instructors\":[{\"id\":\"rmp:1136169\",\"name\":\"Huifang Xu\"}],\"review_year_end\":\"2022\",\"review_year_start\":\"2018\"},\"sentiment\":\"mixed\",\"summary\":\"Instructor responsiveness and grading accuracy are questioned in one review, while others praise the professor.\"}]}","candidate_json":null,"error":null,"model":"nvidia/Qwen3.6-35B-A3B-NVFP4","model_revision":"1355db6a052410cfd62085d94b58866fd0f2c3c5","selected_for_release":true},{"run_id":"20260907T155543-ce3781c4","observed_at":"2026-09-07 15:55:43.033547+00:00","course_uid":"course_81f4461a09a3e6c844c539a7","course_id":"GEOSCI 331","catalog_version_id":"662880d357691ade59616286ddec4a474f8beb782cb0f5cba3037d85d6d29c00","record_version_id":"420db4480beeca2c394e9edad91598cc4223502545a2fa09ce09cf0fbdec2486","job_id":"enrich-6b25dd25bd8e7594acdf2f80","output_id":"2f3d1ff4b9bc6d8c48daf1c549952885e3cfb42ef2d690e1b27fa671fb76d9aa","section":"student_summary","status":"valid","value_json":"{\"context_hash\":\"b0bc9d352220e7793478fa730686bd687fa3d1cfc71cf5eeb234915c22a5ee19\",\"course_id\":\"GEOSCI 331\",\"current_instructors\":[{\"instructor_uid\":\"instructor_dbd947088cd6a6d15335d30f\",\"message\":null,\"name\":\"Huifang Xu\",\"review_status\":\"supported\",\"rmp_instructor_id\":\"rmp:1136169\",\"summary\":[{\"citations\":[{\"instructor_name\":\"Huifang Xu\",\"review_date\":\"2014-05-24 18:12:21 +0000 UTC\",\"review_id\":\"a934fee422376c633aba70d5\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:1136169\",\"source_review_id\":\"UmF0aW5nLTIzMzA5MjAz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1136169\",\"type\":\"review\"},{\"instructor_name\":\"Huifang Xu\",\"review_date\":\"2021-05-03 16:10:06 +0000 UTC\",\"review_id\":\"304e756e2ed12e6a046e402e\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:1136169\",\"source_review_id\":\"UmF0aW5nLTM0Njg3NzIw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1136169\",\"type\":\"review\"},{\"instructor_name\":\"Huifang Xu\",\"review_date\":\"2022-04-27 17:37:08 +0000 UTC\",\"review_id\":\"4b6ad810a89e69facb56df65\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:1136169\",\"source_review_id\":\"UmF0aW5nLTM2MTcwMzUx\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1136169\",\"type\":\"review\"}],\"text\":\"Huifang Xu is described as a nice professor who teaches an easy class with easy tests, leading to high grades. Reviewers found the material interesting and the workload manageable, with one noting that earning less than an A is difficult.\"},{\"citations\":[{\"instructor_name\":\"Huifang Xu\",\"review_date\":\"2017-12-21 23:38:42 +0000 UTC\",\"review_id\":\"c31e040d5256e718c968fe8a\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:1136169\",\"source_review_id\":\"UmF0aW5nLTI5MzEyMTA1\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1136169\",\"type\":\"review\"},{\"instructor_name\":\"Huifang Xu\",\"review_date\":\"2018-05-18 11:06:48 +0000 UTC\",\"review_id\":\"1756922a6c8e0660d3a10502\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:1136169\",\"source_review_id\":\"UmF0aW5nLTMwMTQ0NjA2\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1136169\",\"type\":\"review\"},{\"instructor_name\":\"Huifang Xu\",\"review_date\":\"2018-12-20 04:32:43 +0000 UTC\",\"review_id\":\"0ebf45471fec09068be7debc\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:1136169\",\"source_review_id\":\"UmF0aW5nLTMxMTExMzky\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1136169\",\"type\":\"review\"}],\"text\":\"Some reviewers report significant challenges, citing extremely nitpicky exam questions that require linking trivial details. Concerns include timed exams requiring all lectures, incorrect grading due to technology issues, and slow email responses from the instructor.\"},{\"citations\":[{\"course_id\":\"GEOSCI 331\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"10560108-a9bf-380d-a14d-aafe62485c65\",\"source_record\":{\"entity_id\":\"10560108-a9bf-380d-a14d-aafe62485c65\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1254\",\"type\":\"grade\"},{\"course_id\":\"GEOSCI 331\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":2,\"source_course_id\":\"10560108-a9bf-380d-a14d-aafe62485c65\",\"source_record\":{\"entity_id\":\"10560108-a9bf-380d-a14d-aafe62485c65\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1254\",\"type\":\"grade\"},{\"course_id\":\"GEOSCI 331\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"10560108-a9bf-380d-a14d-aafe62485c65\",\"source_record\":{\"entity_id\":\"10560108-a9bf-380d-a14d-aafe62485c65\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1262\",\"type\":\"grade\"},{\"course_id\":\"GEOSCI 331\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"10560108-a9bf-380d-a14d-aafe62485c65\",\"source_record\":{\"entity_id\":\"10560108-a9bf-380d-a14d-aafe62485c65\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1264\",\"type\":\"grade\"},{\"course_id\":\"GEOSCI 331\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":2,\"source_course_id\":\"10560108-a9bf-380d-a14d-aafe62485c65\",\"source_record\":{\"entity_id\":\"10560108-a9bf-380d-a14d-aafe62485c65\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1264\",\"type\":\"grade\"}],\"text\":\"Recent recorded grades — Spring 2025: 3.45 GPA, 73.6% A/AB (n=276 letter grades); Fall 2025: 3.76 GPA, 89.7% A/AB (n=234 letter grades); Spring 2026: 3.84 GPA, 92.5% A/AB (n=280 letter grades).\"}]}],\"difficulty_workload\":[{\"citations\":[{\"instructor_name\":\"Huifang Xu\",\"review_date\":\"2017-12-21 23:38:42 +0000 UTC\",\"review_id\":\"c31e040d5256e718c968fe8a\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:1136169\",\"source_review_id\":\"UmF0aW5nLTI5MzEyMTA1\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1136169\",\"type\":\"review\"},{\"instructor_name\":\"Huifang Xu\",\"review_date\":\"2018-05-18 11:06:48 +0000 UTC\",\"review_id\":\"1756922a6c8e0660d3a10502\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:1136169\",\"source_review_id\":\"UmF0aW5nLTMwMTQ0NjA2\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1136169\",\"type\":\"review\"},{\"instructor_name\":\"Huifang Xu\",\"review_date\":\"2018-12-20 04:32:43 +0000 UTC\",\"review_id\":\"0ebf45471fec09068be7debc\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:1136169\",\"source_review_id\":\"UmF0aW5nLTMxMTExMzky\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1136169\",\"type\":\"review\"}],\"text\":\"Students must manage numerous PDF lectures and create study aids like diagrams and spreadsheets. Exams are timed, 30-question tests that require linking multiple details from the lectures.\"}],\"errors\":[],\"historical_context\":[],\"message\":null,\"offered\":true,\"profile_hash\":\"e59ddc7389015d0035b68cd195c939d475bf72b959b29cf12eab59b454ccaef1\",\"quick_take\":[{\"citations\":[{\"instructor_name\":\"Huifang Xu\",\"review_date\":\"2014-05-24 18:12:21 +0000 UTC\",\"review_id\":\"a934fee422376c633aba70d5\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:1136169\",\"source_review_id\":\"UmF0aW5nLTIzMzA5MjAz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1136169\",\"type\":\"review\"},{\"instructor_name\":\"Huifang Xu\",\"review_date\":\"2021-05-03 16:10:06 +0000 UTC\",\"review_id\":\"304e756e2ed12e6a046e402e\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:1136169\",\"source_review_id\":\"UmF0aW5nLTM0Njg3NzIw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1136169\",\"type\":\"review\"},{\"instructor_name\":\"Huifang Xu\",\"review_date\":\"2022-04-27 17:37:08 +0000 UTC\",\"review_id\":\"4b6ad810a89e69facb56df65\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:1136169\",\"source_review_id\":\"UmF0aW5nLTM2MTcwMzUx\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1136169\",\"type\":\"review\"}],\"text\":\"Reviewers describe the course as easy with straightforward tests. Some find the material interesting and the professor nice, noting that earning a high grade is straightforward.\"},{\"citations\":[{\"course_id\":\"GEOSCI 331\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_record\":{\"entity_id\":\"10560108-a9bf-380d-a14d-aafe62485c65\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"grades_latest\",\"term_id\":\"1254\",\"type\":\"grade\"},{\"course_id\":\"GEOSCI 331\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_record\":{\"entity_id\":\"10560108-a9bf-380d-a14d-aafe62485c65\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"grades_latest\",\"term_id\":\"1262\",\"type\":\"grade\"},{\"course_id\":\"GEOSCI 331\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_record\":{\"entity_id\":\"10560108-a9bf-380d-a14d-aafe62485c65\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"grades_latest\",\"term_id\":\"1264\",\"type\":\"grade\"}],\"text\":\"Recent recorded grades — Spring 2025: 3.45 GPA, 73.6% A/AB (n=276 letter grades); Fall 2025: 3.76 GPA, 89.7% A/AB (n=234 letter grades); Spring 2026: 3.84 GPA, 92.5% A/AB (n=280 letter grades).\"}],\"student_experience\":[{\"citations\":[{\"instructor_name\":\"Huifang Xu\",\"review_date\":\"2018-12-20 04:32:43 +0000 UTC\",\"review_id\":\"0ebf45471fec09068be7debc\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:1136169\",\"source_review_id\":\"UmF0aW5nLTMxMTExMzky\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1136169\",\"type\":\"review\"}],\"text\":\"One reviewer reports frustration with nitpicky exam questions and incorrect grading, noting that the instructor is slow to respond to emails regarding grade disputes.\"}],\"task_hash\":\"74fb0997943e888960bbc9e47db8c4fd12e4292d55c20509d8d89db6a9910f68\",\"teaching_history\":[{\"citations\":[{\"course_id\":\"GEOSCI 331\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"10560108-a9bf-380d-a14d-aafe62485c65\",\"source_record\":{\"entity_id\":\"10560108-a9bf-380d-a14d-aafe62485c65\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1072\",\"type\":\"grade\"},{\"course_id\":\"GEOSCI 331\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"10560108-a9bf-380d-a14d-aafe62485c65\",\"source_record\":{\"entity_id\":\"10560108-a9bf-380d-a14d-aafe62485c65\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1074\",\"type\":\"grade\"},{\"course_id\":\"GEOSCI 331\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"10560108-a9bf-380d-a14d-aafe62485c65\",\"source_record\":{\"entity_id\":\"10560108-a9bf-380d-a14d-aafe62485c65\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1082\",\"type\":\"grade\"},{\"course_id\":\"GEOSCI 331\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"10560108-a9bf-380d-a14d-aafe62485c65\",\"source_record\":{\"entity_id\":\"10560108-a9bf-380d-a14d-aafe62485c65\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1084\",\"type\":\"grade\"},{\"course_id\":\"GEOSCI 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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\",\"course_id\":\"GEOSCI 331\",\"date\":\"2017-12-21 23:38:42 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"c31e040d5256e718c968fe8a\",\"instructor_id\":\"rmp:1136169\",\"instructor_name\":\"Huifang Xu\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTI5MzEyMTA1\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1136169\"},{\"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.\",\"course_id\":\"GEOSCI 331\",\"date\":\"2018-12-20 04:32:43 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"0ebf45471fec09068be7debc\",\"instructor_id\":\"rmp:1136169\",\"instructor_name\":\"Huifang Xu\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTMxMTExMzky\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1136169\"},{\"comment\":\"Easy class, easy tests, nice professor\",\"course_id\":\"GEOSCI 331\",\"date\":\"2021-05-03 16:10:06 +0000 UTC\",\"difficulty_rating\":1,\"id\":\"304e756e2ed12e6a046e402e\",\"instructor_id\":\"rmp:1136169\",\"instructor_name\":\"Huifang Xu\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTM0Njg3NzIw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1136169\"},{\"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!\",\"course_id\":\"GEOSCI 331\",\"date\":\"2022-04-27 17:37:08 +0000 UTC\",\"difficulty_rating\":1,\"id\":\"4b6ad810a89e69facb56df65\",\"instructor_id\":\"rmp:1136169\",\"instructor_name\":\"Huifang Xu\",\"quality_rating\":3,\"source_review_id\":\"UmF0aW5nLTM2MTcwMzUx\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1136169\"}],\"evidence_count\":5,\"review_ids\":[\"a934fee422376c633aba70d5\",\"c31e040d5256e718c968fe8a\",\"0ebf45471fec09068be7debc\",\"304e756e2ed12e6a046e402e\",\"4b6ad810a89e69facb56df65\"],\"scope\":{\"historical\":true,\"instructors\":[{\"id\":\"rmp:1136169\",\"name\":\"Huifang Xu\"}],\"review_year_end\":\"2022\",\"review_year_start\":\"2014\"},\"sentiment\":\"mixed\",\"summary\":\"Reviews vary significantly, with some calling it an easy A and others finding it extremely difficult and nitpicky.\"},{\"aspect\":\"assessment\",\"evidence\":[{\"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\",\"course_id\":\"GEOSCI 331\",\"date\":\"2017-12-21 23:38:42 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"c31e040d5256e718c968fe8a\",\"instructor_id\":\"rmp:1136169\",\"instructor_name\":\"Huifang Xu\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTI5MzEyMTA1\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1136169\"},{\"comment\":\"exams are 30 questions long. You have to use all the lectures to find the answers. exams are timed.\",\"course_id\":\"GEOSCI 331\",\"date\":\"2018-05-18 11:06:48 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"1756922a6c8e0660d3a10502\",\"instructor_id\":\"rmp:1136169\",\"instructor_name\":\"Huifang Xu\",\"quality_rating\":3,\"source_review_id\":\"UmF0aW5nLTMwMTQ0NjA2\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1136169\"},{\"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.\",\"course_id\":\"GEOSCI 331\",\"date\":\"2018-12-20 04:32:43 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"0ebf45471fec09068be7debc\",\"instructor_id\":\"rmp:1136169\",\"instructor_name\":\"Huifang Xu\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTMxMTExMzky\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1136169\"},{\"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!\",\"course_id\":\"GEOSCI 331\",\"date\":\"2022-04-27 17:37:08 +0000 UTC\",\"difficulty_rating\":1,\"id\":\"4b6ad810a89e69facb56df65\",\"instructor_id\":\"rmp:1136169\",\"instructor_name\":\"Huifang Xu\",\"quality_rating\":3,\"source_review_id\":\"UmF0aW5nLTM2MTcwMzUx\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1136169\"}],\"evidence_count\":4,\"review_ids\":[\"c31e040d5256e718c968fe8a\",\"1756922a6c8e0660d3a10502\",\"0ebf45471fec09068be7debc\",\"4b6ad810a89e69facb56df65\"],\"scope\":{\"historical\":true,\"instructors\":[{\"id\":\"rmp:1136169\",\"name\":\"Huifang Xu\"}],\"review_year_end\":\"2022\",\"review_year_start\":\"2017\"},\"sentiment\":\"mixed\",\"summary\":\"Assessment methods include timed exams and quizzes. Some find them easy, while others find the questions extremely nitpicky and requiring complex linking of details.\"},{\"aspect\":\"teaching_clarity\",\"evidence\":[{\"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.\",\"course_id\":\"GEOSCI 331\",\"date\":\"2018-12-20 04:32:43 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"0ebf45471fec09068be7debc\",\"instructor_id\":\"rmp:1136169\",\"instructor_name\":\"Huifang Xu\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTMxMTExMzky\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1136169\"},{\"comment\":\"Easy class, easy tests, nice professor\",\"course_id\":\"GEOSCI 331\",\"date\":\"2021-05-03 16:10:06 +0000 UTC\",\"difficulty_rating\":1,\"id\":\"304e756e2ed12e6a046e402e\",\"instructor_id\":\"rmp:1136169\",\"instructor_name\":\"Huifang Xu\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTM0Njg3NzIw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1136169\"},{\"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!\",\"course_id\":\"GEOSCI 331\",\"date\":\"2022-04-27 17:37:08 +0000 UTC\",\"difficulty_rating\":1,\"id\":\"4b6ad810a89e69facb56df65\",\"instructor_id\":\"rmp:1136169\",\"instructor_name\":\"Huifang Xu\",\"quality_rating\":3,\"source_review_id\":\"UmF0aW5nLTM2MTcwMzUx\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1136169\"}],\"evidence_count\":3,\"review_ids\":[\"0ebf45471fec09068be7debc\",\"304e756e2ed12e6a046e402e\",\"4b6ad810a89e69facb56df65\"],\"scope\":{\"historical\":true,\"instructors\":[{\"id\":\"rmp:1136169\",\"name\":\"Huifang Xu\"}],\"review_year_end\":\"2022\",\"review_year_start\":\"2018\"},\"sentiment\":\"mixed\",\"summary\":\"Instructor responsiveness and grading accuracy are questioned in one review, while others praise the 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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\",\"course_id\":\"GEOSCI 331\",\"date\":\"2017-12-21 23:38:42 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"c31e040d5256e718c968fe8a\",\"instructor_id\":\"rmp:1136169\",\"instructor_name\":\"Huifang Xu\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTI5MzEyMTA1\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1136169\"},{\"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.\",\"course_id\":\"GEOSCI 331\",\"date\":\"2018-12-20 04:32:43 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"0ebf45471fec09068be7debc\",\"instructor_id\":\"rmp:1136169\",\"instructor_name\":\"Huifang Xu\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTMxMTExMzky\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1136169\"},{\"comment\":\"Easy class, easy tests, nice professor\",\"course_id\":\"GEOSCI 331\",\"date\":\"2021-05-03 16:10:06 +0000 UTC\",\"difficulty_rating\":1,\"id\":\"304e756e2ed12e6a046e402e\",\"instructor_id\":\"rmp:1136169\",\"instructor_name\":\"Huifang Xu\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTM0Njg3NzIw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1136169\"},{\"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!\",\"course_id\":\"GEOSCI 331\",\"date\":\"2022-04-27 17:37:08 +0000 UTC\",\"difficulty_rating\":1,\"id\":\"4b6ad810a89e69facb56df65\",\"instructor_id\":\"rmp:1136169\",\"instructor_name\":\"Huifang Xu\",\"quality_rating\":3,\"source_review_id\":\"UmF0aW5nLTM2MTcwMzUx\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1136169\"}],\"evidence_count\":5,\"review_ids\":[\"a934fee422376c633aba70d5\",\"c31e040d5256e718c968fe8a\",\"0ebf45471fec09068be7debc\",\"304e756e2ed12e6a046e402e\",\"4b6ad810a89e69facb56df65\"],\"scope\":{\"historical\":true,\"instructors\":[{\"id\":\"rmp:1136169\",\"name\":\"Huifang Xu\"}],\"review_year_end\":\"2022\",\"review_year_start\":\"2014\"},\"sentiment\":\"mixed\",\"summary\":\"Reviews vary significantly, with some calling it an easy A and others finding it extremely difficult and nitpicky.\"},{\"aspect\":\"assessment\",\"evidence\":[{\"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\",\"course_id\":\"GEOSCI 331\",\"date\":\"2017-12-21 23:38:42 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"c31e040d5256e718c968fe8a\",\"instructor_id\":\"rmp:1136169\",\"instructor_name\":\"Huifang Xu\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTI5MzEyMTA1\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1136169\"},{\"comment\":\"exams are 30 questions long. You have to use all the lectures to find the answers. exams are timed.\",\"course_id\":\"GEOSCI 331\",\"date\":\"2018-05-18 11:06:48 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"1756922a6c8e0660d3a10502\",\"instructor_id\":\"rmp:1136169\",\"instructor_name\":\"Huifang Xu\",\"quality_rating\":3,\"source_review_id\":\"UmF0aW5nLTMwMTQ0NjA2\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1136169\"},{\"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.\",\"course_id\":\"GEOSCI 331\",\"date\":\"2018-12-20 04:32:43 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"0ebf45471fec09068be7debc\",\"instructor_id\":\"rmp:1136169\",\"instructor_name\":\"Huifang Xu\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTMxMTExMzky\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1136169\"},{\"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!\",\"course_id\":\"GEOSCI 331\",\"date\":\"2022-04-27 17:37:08 +0000 UTC\",\"difficulty_rating\":1,\"id\":\"4b6ad810a89e69facb56df65\",\"instructor_id\":\"rmp:1136169\",\"instructor_name\":\"Huifang Xu\",\"quality_rating\":3,\"source_review_id\":\"UmF0aW5nLTM2MTcwMzUx\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1136169\"}],\"evidence_count\":4,\"review_ids\":[\"c31e040d5256e718c968fe8a\",\"1756922a6c8e0660d3a10502\",\"0ebf45471fec09068be7debc\",\"4b6ad810a89e69facb56df65\"],\"scope\":{\"historical\":true,\"instructors\":[{\"id\":\"rmp:1136169\",\"name\":\"Huifang Xu\"}],\"review_year_end\":\"2022\",\"review_year_start\":\"2017\"},\"sentiment\":\"mixed\",\"summary\":\"Assessment methods include timed exams and quizzes. Some find them easy, while others find the questions extremely nitpicky and requiring complex linking of details.\"},{\"aspect\":\"teaching_clarity\",\"evidence\":[{\"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.\",\"course_id\":\"GEOSCI 331\",\"date\":\"2018-12-20 04:32:43 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"0ebf45471fec09068be7debc\",\"instructor_id\":\"rmp:1136169\",\"instructor_name\":\"Huifang Xu\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTMxMTExMzky\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1136169\"},{\"comment\":\"Easy class, easy tests, nice professor\",\"course_id\":\"GEOSCI 331\",\"date\":\"2021-05-03 16:10:06 +0000 UTC\",\"difficulty_rating\":1,\"id\":\"304e756e2ed12e6a046e402e\",\"instructor_id\":\"rmp:1136169\",\"instructor_name\":\"Huifang Xu\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTM0Njg3NzIw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1136169\"},{\"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!\",\"course_id\":\"GEOSCI 331\",\"date\":\"2022-04-27 17:37:08 +0000 UTC\",\"difficulty_rating\":1,\"id\":\"4b6ad810a89e69facb56df65\",\"instructor_id\":\"rmp:1136169\",\"instructor_name\":\"Huifang Xu\",\"quality_rating\":3,\"source_review_id\":\"UmF0aW5nLTM2MTcwMzUx\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1136169\"}],\"evidence_count\":3,\"review_ids\":[\"0ebf45471fec09068be7debc\",\"304e756e2ed12e6a046e402e\",\"4b6ad810a89e69facb56df65\"],\"scope\":{\"historical\":true,\"instructors\":[{\"id\":\"rmp:1136169\",\"name\":\"Huifang Xu\"}],\"review_year_end\":\"2022\",\"review_year_start\":\"2018\"},\"sentiment\":\"mixed\",\"summary\":\"Instructor responsiveness and grading accuracy are questioned in one review, while others praise the professor.\"}]}","candidate_json":null,"error":null,"model":"nvidia/Qwen3.6-35B-A3B-NVFP4","model_revision":"1355db6a052410cfd62085d94b58866fd0f2c3c5","selected_for_release":true},{"run_id":"20260907T155543-ce3781c4","observed_at":"2026-09-07 15:55:43.033547+00:00","course_uid":"course_81f4461a09a3e6c844c539a7","course_id":"GEOSCI 331","catalog_version_id":"662880d357691ade59616286ddec4a474f8beb782cb0f5cba3037d85d6d29c00","record_version_id":"420db4480beeca2c394e9edad91598cc4223502545a2fa09ce09cf0fbdec2486","job_id":"enrich-b6d8f78c1be0d523cf09d00d","output_id":"5953579cceb3053ed6380f3146843c8293c91cabb64115abe26f6639836fe3d6","section":"student_summary","status":"invalid","value_json":"{\"context_hash\":\"b0bc9d352220e7793478fa730686bd687fa3d1cfc71cf5eeb234915c22a5ee19\",\"course_id\":\"GEOSCI 331\",\"current_instructors\":[{\"instructor_uid\":\"instructor_dbd947088cd6a6d15335d30f\",\"message\":null,\"name\":\"Huifang Xu\",\"review_status\":\"supported\",\"rmp_instructor_id\":\"rmp:1136169\",\"summary\":[{\"citations\":[{\"instructor_name\":\"Huifang Xu\",\"review_date\":\"2014-05-24 18:12:21 +0000 UTC\",\"review_id\":\"a934fee422376c633aba70d5\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:1136169\",\"source_review_id\":\"UmF0aW5nLTIzMzA5MjAz\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1136169\",\"type\":\"review\"},{\"instructor_name\":\"Huifang Xu\",\"review_date\":\"2021-05-03 16:10:06 +0000 UTC\",\"review_id\":\"304e756e2ed12e6a046e402e\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:1136169\",\"source_review_id\":\"UmF0aW5nLTM0Njg3NzIw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1136169\",\"type\":\"review\"},{\"instructor_name\":\"Huifang Xu\",\"review_date\":\"2022-04-27 17:37:08 +0000 UTC\",\"review_id\":\"4b6ad810a89e69facb56df65\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:1136169\",\"source_review_id\":\"UmF0aW5nLTM2MTcwMzUx\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1136169\",\"type\":\"review\"}],\"text\":\"Huifang Xu is described as a nice professor who teaches an easy class with easy tests, leading to high grades. Reviewers found the material interesting and the workload manageable, with one noting that earning less than an A is difficult.\"},{\"citations\":[{\"instructor_name\":\"Huifang Xu\",\"review_date\":\"2017-12-21 23:38:42 +0000 UTC\",\"review_id\":\"c31e040d5256e718c968fe8a\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:1136169\",\"source_review_id\":\"UmF0aW5nLTI5MzEyMTA1\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1136169\",\"type\":\"review\"},{\"instructor_name\":\"Huifang Xu\",\"review_date\":\"2018-05-18 11:06:48 +0000 UTC\",\"review_id\":\"1756922a6c8e0660d3a10502\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:1136169\",\"source_review_id\":\"UmF0aW5nLTMwMTQ0NjA2\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1136169\",\"type\":\"review\"},{\"instructor_name\":\"Huifang Xu\",\"review_date\":\"2018-12-20 04:32:43 +0000 UTC\",\"review_id\":\"0ebf45471fec09068be7debc\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:1136169\",\"source_review_id\":\"UmF0aW5nLTMxMTExMzky\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1136169\",\"type\":\"review\"}],\"text\":\"Some reviewers report significant challenges, citing extremely nitpicky exam questions that require linking trivial details. Concerns include timed exams requiring all lectures, incorrect grading due to technology issues, and slow email responses from the instructor.\"},{\"citations\":[{\"course_id\":\"GEOSCI 331\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"10560108-a9bf-380d-a14d-aafe62485c65\",\"source_record\":{\"entity_id\":\"10560108-a9bf-380d-a14d-aafe62485c65\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1254\",\"type\":\"grade\"},{\"course_id\":\"GEOSCI 331\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":2,\"source_course_id\":\"10560108-a9bf-380d-a14d-aafe62485c65\",\"source_record\":{\"entity_id\":\"10560108-a9bf-380d-a14d-aafe62485c65\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1254\",\"type\":\"grade\"},{\"course_id\":\"GEOSCI 331\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"10560108-a9bf-380d-a14d-aafe62485c65\",\"source_record\":{\"entity_id\":\"10560108-a9bf-380d-a14d-aafe62485c65\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1262\",\"type\":\"grade\"},{\"course_id\":\"GEOSCI 331\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"10560108-a9bf-380d-a14d-aafe62485c65\",\"source_record\":{\"entity_id\":\"10560108-a9bf-380d-a14d-aafe62485c65\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1264\",\"type\":\"grade\"},{\"course_id\":\"GEOSCI 331\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":2,\"source_course_id\":\"10560108-a9bf-380d-a14d-aafe62485c65\",\"source_record\":{\"entity_id\":\"10560108-a9bf-380d-a14d-aafe62485c65\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1264\",\"type\":\"grade\"}],\"text\":\"Recent recorded grades — Spring 2025: 3.45 GPA, 73.6% A/AB (n=276 letter grades); Fall 2025: 3.76 GPA, 89.7% A/AB (n=234 letter grades); Spring 2026: 3.84 GPA, 92.5% A/AB (n=280 letter grades).\"}]}],\"difficulty_workload\":[],\"errors\":[{\"error\":\"UnexpectedModelBehavior: Model token limit (8192) exceeded before any response was generated. Increase the `max_tokens` model setting, or simplify the prompt to result in a shorter response that will fit within the limit.\",\"instructor_uid\":null,\"mode\":\"overview\"}],\"historical_context\":[],\"message\":null,\"offered\":true,\"profile_hash\":\"e59ddc7389015d0035b68cd195c939d475bf72b959b29cf12eab59b454ccaef1\",\"quick_take\":[{\"citations\":[{\"course_id\":\"GEOSCI 331\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_record\":{\"entity_id\":\"10560108-a9bf-380d-a14d-aafe62485c65\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"grades_latest\",\"term_id\":\"1254\",\"type\":\"grade\"},{\"course_id\":\"GEOSCI 331\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_record\":{\"entity_id\":\"10560108-a9bf-380d-a14d-aafe62485c65\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"grades_latest\",\"term_id\":\"1262\",\"type\":\"grade\"},{\"course_id\":\"GEOSCI 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Recorded history may be incomplete and does not establish a future schedule.\"}],\"term_id\":\"1272\",\"term_name\":\"2026 Fall\",\"version\":2}","candidate_json":null,"error":"[{\"mode\": \"overview\", \"instructor_uid\": null, \"error\": \"UnexpectedModelBehavior: Model token limit (8192) exceeded before any response was generated. 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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\",\"course_id\":\"GEOSCI 331\",\"date\":\"2017-12-21 23:38:42 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"c31e040d5256e718c968fe8a\",\"instructor_id\":\"rmp:1136169\",\"instructor_name\":\"Huifang Xu\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTI5MzEyMTA1\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1136169\"},{\"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.\",\"course_id\":\"GEOSCI 331\",\"date\":\"2018-12-20 04:32:43 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"0ebf45471fec09068be7debc\",\"instructor_id\":\"rmp:1136169\",\"instructor_name\":\"Huifang Xu\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTMxMTExMzky\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1136169\"},{\"comment\":\"Easy class, easy tests, nice professor\",\"course_id\":\"GEOSCI 331\",\"date\":\"2021-05-03 16:10:06 +0000 UTC\",\"difficulty_rating\":1,\"id\":\"304e756e2ed12e6a046e402e\",\"instructor_id\":\"rmp:1136169\",\"instructor_name\":\"Huifang Xu\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTM0Njg3NzIw\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1136169\"},{\"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!\",\"course_id\":\"GEOSCI 331\",\"date\":\"2022-04-27 17:37:08 +0000 UTC\",\"difficulty_rating\":1,\"id\":\"4b6ad810a89e69facb56df65\",\"instructor_id\":\"rmp:1136169\",\"instructor_name\":\"Huifang Xu\",\"quality_rating\":3,\"source_review_id\":\"UmF0aW5nLTM2MTcwMzUx\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1136169\"}],\"evidence_count\":5,\"review_ids\":[\"a934fee422376c633aba70d5\",\"c31e040d5256e718c968fe8a\",\"0ebf45471fec09068be7debc\",\"304e756e2ed12e6a046e402e\",\"4b6ad810a89e69facb56df65\"],\"scope\":{\"historical\":true,\"instructors\":[{\"id\":\"rmp:1136169\",\"name\":\"Huifang Xu\"}],\"review_year_end\":\"2022\",\"review_year_start\":\"2014\"},\"sentiment\":\"mixed\",\"summary\":\"Reviews vary significantly, with some calling it an easy A and others finding it extremely difficult and nitpicky.\"},{\"aspect\":\"assessment\",\"evidence\":[{\"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\",\"course_id\":\"GEOSCI 331\",\"date\":\"2017-12-21 23:38:42 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"c31e040d5256e718c968fe8a\",\"instructor_id\":\"rmp:1136169\",\"instructor_name\":\"Huifang Xu\",\"quality_rating\":5,\"source_review_id\":\"UmF0aW5nLTI5MzEyMTA1\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1136169\"},{\"comment\":\"exams are 30 questions long. You have to use all the lectures to find the answers. exams are timed.\",\"course_id\":\"GEOSCI 331\",\"date\":\"2018-05-18 11:06:48 +0000 UTC\",\"difficulty_rating\":4,\"id\":\"1756922a6c8e0660d3a10502\",\"instructor_id\":\"rmp:1136169\",\"instructor_name\":\"Huifang Xu\",\"quality_rating\":3,\"source_review_id\":\"UmF0aW5nLTMwMTQ0NjA2\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1136169\"},{\"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.\",\"course_id\":\"GEOSCI 331\",\"date\":\"2018-12-20 04:32:43 +0000 UTC\",\"difficulty_rating\":5,\"id\":\"0ebf45471fec09068be7debc\",\"instructor_id\":\"rmp:1136169\",\"instructor_name\":\"Huifang Xu\",\"quality_rating\":1,\"source_review_id\":\"UmF0aW5nLTMxMTExMzky\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1136169\"},{\"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... 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Lectures are PDFs, and you have quizzes for your grade. Very easy questions... 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Reviewers found the material interesting and the workload manageable, with one noting that earning less than an A is difficult.\"},{\"citations\":[{\"instructor_name\":\"Huifang Xu\",\"review_date\":\"2017-12-21 23:38:42 +0000 UTC\",\"review_id\":\"c31e040d5256e718c968fe8a\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:1136169\",\"source_review_id\":\"UmF0aW5nLTI5MzEyMTA1\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1136169\",\"type\":\"review\"},{\"instructor_name\":\"Huifang Xu\",\"review_date\":\"2018-05-18 11:06:48 +0000 UTC\",\"review_id\":\"1756922a6c8e0660d3a10502\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:1136169\",\"source_review_id\":\"UmF0aW5nLTMwMTQ0NjA2\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1136169\",\"type\":\"review\"},{\"instructor_name\":\"Huifang Xu\",\"review_date\":\"2018-12-20 04:32:43 +0000 UTC\",\"review_id\":\"0ebf45471fec09068be7debc\",\"run_id\":\"20260907T155543-ce3781c4\",\"source_instructor_id\":\"rmp:1136169\",\"source_review_id\":\"UmF0aW5nLTMxMTExMzky\",\"source_url\":\"https://www.ratemyprofessors.com/professor/1136169\",\"type\":\"review\"}],\"text\":\"Some reviewers report significant challenges, citing extremely nitpicky exam questions that require linking trivial details. Concerns include timed exams requiring all lectures, incorrect grading due to technology issues, and slow email responses from the instructor.\"},{\"citations\":[{\"course_id\":\"GEOSCI 331\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"10560108-a9bf-380d-a14d-aafe62485c65\",\"source_record\":{\"entity_id\":\"10560108-a9bf-380d-a14d-aafe62485c65\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1254\",\"type\":\"grade\"},{\"course_id\":\"GEOSCI 331\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":2,\"source_course_id\":\"10560108-a9bf-380d-a14d-aafe62485c65\",\"source_record\":{\"entity_id\":\"10560108-a9bf-380d-a14d-aafe62485c65\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1254\",\"type\":\"grade\"},{\"course_id\":\"GEOSCI 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A/AB (n=234 letter grades); Spring 2026: 3.84 GPA, 92.5% A/AB (n=280 letter grades).\"}],\"student_experience\":[],\"task_hash\":\"74fb0997943e888960bbc9e47db8c4fd12e4292d55c20509d8d89db6a9910f68\",\"teaching_history\":[{\"citations\":[{\"course_id\":\"GEOSCI 331\",\"run_id\":\"20260907T155543-ce3781c4\",\"section_number\":1,\"source_course_id\":\"10560108-a9bf-380d-a14d-aafe62485c65\",\"source_record\":{\"entity_id\":\"10560108-a9bf-380d-a14d-aafe62485c65\",\"file\":\"tables/observations.parquet\",\"kind\":\"grades\",\"source\":\"madgrades\"},\"table\":\"section_grades_latest\",\"term_id\":\"1072\",\"type\":\"grade\"},{\"course_id\":\"GEOSCI 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Fall 2015, Spring 2016, Fall 2016, Spring 2017, Fall 2017, Spring 2018, Fall 2018, Spring 2019, Fall 2019, Fall 2020, Fall 2021, Spring 2022, Fall 2022, Spring 2023, Fall 2023, Spring 2024, Fall 2024, Spring 2025, Fall 2025, Spring 2026. 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