# Jeremiah Yahn — Courses & Reviews | UW–Madison [View on UW Courses](https://uwcourses.com/instructors/JEREMIAH_YAHN) ## Dataset ### revision e243353dcb7d79b7247ced91d69443ef4c2a6349 ### repository twangodev/uwcourses ### schema version 6 ### importer version 7 ### projection id 52a78527ff09011d88cb04c7d43867d9fbfec2930bf1dd2ec359ebd2844e0b07 ### observed at 2026-09-07T15:55:43.033547+00:00 ### built at 2026-09-10T19:50:42.743001+00:00 ### courses 8951 ### current instructors 5754 ### limited false ### terms * 1272 * 1264 * 1262 * 1254 * 1252 * 1244 * 1242 * 1234 * 1232 * 1224 * 1222 * 1212 * 1204 * 1202 * 1194 * 1192 * 1184 * 1182 * 1174 * 1172 * 1164 * 1162 * 1154 * 1152 * 1144 * 1142 * 1134 * 1132 * 1124 * 1122 * 1114 * 1112 * 1104 * 1102 * 1094 * 1092 * 1084 * 1082 * 1074 * 1072 ### term 1272 ### departments | subject | count | | --------- | ----- | | AAE | 90 | | ABT | 20 | | ACCTIS | 36 | | ACTSCI | 14 | | AFAERO | 10 | | AFRICAN | 87 | | AFROAMER | 71 | | AGROECOL | 21 | | AMERIND | 53 | | ANAT\&PHY | 7 | | ANATOMY | 2 | | ANESTHES | 8 | | ANSCI | 57 | | ANTHRO | 95 | | ART | 125 | | ARTED | 10 | | ARTHIST | 121 | | ASIALANG | 129 | | ASIAN | 109 | | ASIANAM | 28 | | ASTRON | 38 | | ATMOCN | 69 | | BIOCHEM | 51 | | BIOCORE | 10 | | BIOLOGY | 14 | | BIOMDSCI | 18 | | BME | 66 | | BMI | 41 | | BMOLCHEM | 10 | | BOTANY | 69 | | BSE | 44 | | C\&ESOC | 73 | | CBE | 48 | | CHEM | 101 | | CHICLA | 52 | | CIVENGR | 133 | | CLASSICS | 47 | | CNP | 10 | | CNSRSCI | 50 | | COMARTS | 137 | | COMPBIO | 15 | | COMPLIT | 11 | | COMPSCI | 138 | | COUNPSY | 78 | | CRB | 19 | | CS\&D | 71 | | CSCS | 40 | | CURRIC | 193 | | DANCE | 93 | | DERM | 8 | | DS | 88 | | DYSCI | 35 | | ECE | 155 | | ECON | 145 | | EDPOL | 114 | | EDPSYCH | 97 | | ELPA | 70 | | EMA | 53 | | EMERMED | 17 | | ENGL | 206 | | ENTOM | 40 | | ENVIRST | 148 | | EP | 15 | | EPD | 67 | | ESL | 16 | | F\&WECOL | 60 | | FAMMED | 22 | | FINANCE | 50 | | FOLKLORE | 40 | | FOODSCI | 43 | | FRENCH | 63 | | GEN\&WS | 145 | | GENBUS | 72 | | GENECSLR | 17 | | GENETICS | 60 | | GEOG | 113 | | GEOSCI | 83 | | GERMAN | 82 | | GLE | 48 | | GNS | 38 | | GREEK | 27 | | HDFS | 41 | | HEBR-BIB | 13 | | HEBR-MOD | 10 | | HISTORY | 233 | | HISTSCI | 56 | | HONCOL | 13 | | ILS | 43 | | INFOSYS | 9 | | INTEGART | 7 | | INTEGSCI | 22 | | INTER-AG | 18 | | INTER-HE | 11 | | INTER-LS | 22 | | INTEREGR | 16 | | INTLBUS | 21 | | INTLST | 50 | | ISYE | 83 | | ITALIAN | 53 | | JEWISH | 56 | | JOURN | 88 | | KINES | 128 | | LACIS | 26 | | LANDARC | 61 | | LATIN | 24 | | LAW | 120 | | LEGALST | 48 | | LINGUIS | 35 | | LIS | 89 | | LITTRANS | 78 | | LSC | 52 | | M\&ENVTOX | 7 | | MARKETNG | 62 | | MATH | 153 | | MDGENET | 8 | | ME | 130 | | MEDHIST | 43 | | MEDICINE | 60 | | MEDIEVAL | 32 | | MEDPHYS | 39 | | MEDSC-M | 29 | | MEDSC-V | 41 | | MHR | 68 | | MICROBIO | 45 | | MILSCI | 16 | | MM\&I | 22 | | MOLBIOL | 6 | | MS\&E | 59 | | MUSIC | 165 | | MUSPERF | 126 | | NAVSCI | 20 | | NE | 44 | | NEURODPT | 11 | | NEUROL | 7 | | NEURSURG | 4 | | NTP | 11 | | NURSING | 111 | | NUTRSCI | 65 | | OBS\&GYN | 18 | | OCCTHER | 39 | | ONCOLOGY | 14 | | OPHTHALM | 5 | | OTM | 43 | | PATH | 34 | | PATH-BIO | 29 | | PEDIAT | 26 | | PHARMACY | 31 | | PHILOS | 77 | | PHMCOL-M | 11 | | PHMPRAC | 45 | | PHMSCI | 60 | | PHYASST | 37 | | PHYSICS | 88 | | PHYSIOL | 3 | | PHYTHER | 37 | | PLANTSCI | 52 | | PLPATH | 35 | | POLISCI | 192 | | POPHLTH | 58 | | PORTUG | 33 | | PSYCH | 101 | | PSYCHIAT | 22 | | PUBAFFR | 54 | | PUBLHLTH | 23 | | RADIOL | 11 | | REALEST | 41 | | RELIGST | 90 | | RHABMED | 9 | | RMI | 24 | | RP\&SE | 102 | | S\&APHM | 17 | | SCANDST | 73 | | SLAVIC | 89 | | SOC | 149 | | SOCWORK | 87 | | SOILSCI | 46 | | SPANISH | 83 | | SRMED | 21 | | STAT | 94 | | STDYABRD | 52 | | STS | 8 | | SURGERY | 25 | | SURGSCI | 33 | | THEATRE | 91 | | URBRPL | 60 | | UROLOGY | 5 | | ZOOLOGY | 89 | ## instructor ### instructor uid instructor\_49e20aa33122a9557e53a853 ### source enrollment ### source instructor id jyahn ### identity basis netid ### identity status source\_identified ### name Jeremiah Yahn ### email JYAHN\@WISC.EDU ### first observed at 2026-09-07 15:55:43.033547+00:00 ### last observed at 2026-09-07 15:55:43.033547+00:00 ### ratings #### review count 58 #### quality 2.69 #### difficulty 3.91 #### quality count 58 #### difficulty count 58 #### profile id rmp:1877736 #### source url #### match basis exact\_name #### observed at 2026-09-07 16:33:06.675961+00:00 #### courses #### bayesian quality 2.938637380396563 #### prior mean 3.6596857835465957 #### prior weight 20 ### current true ### courses | course\_uid | course\_id | title | credits\_min | credits\_max | gpa | | -------------------------------- | -------------------------- | -------------------- | ------------ | ------------ | ---- | | course\_4722ef6b23bfedc23131f60d | BIOLOGY/BOTANY/ZOOLOGY 151 | INTRODUCTORY BIOLOGY | 5 | 5 | 2.91 | ### revision e243353dcb7d79b7247ced91d69443ef4c2a6349 ### instructor url /instructors/JEREMIAH\_YAHN ## history | term | course\_uid | course\_id | title | | ---- | -------------------------------- | -------------------------- | -------------------- | | 1272 | course\_4722ef6b23bfedc23131f60d | BIOLOGY/BOTANY/ZOOLOGY 151 | INTRODUCTORY BIOLOGY | ## timeline | term | courses | | ---- | ------- | | 1272 | 1 | ## term 1272 ## courses ```json [ { "course_uid": "course_4722ef6b23bfedc23131f60d", "course_id": "BIOLOGY/BOTANY/ZOOLOGY 151", "title": "INTRODUCTORY BIOLOGY", "credits_min": 5, "credits_max": 5, "gpa": 2.91, "badges": [ { "id": "rated-teacher", "label": "Highly rated instructor", "tone": "positive", "evidence": "Fall 2026: David Baum (4.29/5 adjusted; 87 ratings); Jeff Hardin (4.07/5 adjusted; 50 ratings). At least one assigned instructor qualifies. This describes instructor reviews across courses, not a course rating.", "sources": [ { "label": "David Baum", "href": "/instructors/DAVID_BAUM" }, { "label": "Jeff Hardin", "href": "/instructors/JEFF_HARDIN" } ] }, { "id": "grade-outcomes", "label": "Lower grades", "tone": "negative", "evidence": "Spring 2026 · latest released grades before Fall 2026: 2.93 GPA across 445 letter grades, versus 3.62 for UW–Madison (1283 courses). Requires a difference of at least 0.20 and 30 letter grades. Historical outcomes, not predicted difficulty.", "sources": [ { "label": "Grade history and sources", "href": "/courses/BIOLOGY_BOTANY_ZOOLOGY_151#grades" } ] } ], "description": "Introductory Biology covers cell structure, metabolism, genetic information flow, genetics principles, and animal physiology.", "discovery": { "term": "1272", "offered": true, "history": { "counts": [ 1344, 557, 1852, 329, 744, 222, 45 ], "count": 5093, "gpa": 3.0265069703514627, "topShare": 37.3257412134302, "firstTerm": "1224", "lastTerm": "1264" }, "instructors": [ { "course_uid": "course_4722ef6b23bfedc23131f60d", "uid": "instructor_e704ef62b73aaa221ac621ac", "name": "David Baum", "quality": 4.2860160343077744, "quality_count": 87, "instructor_url": "/instructors/DAVID_BAUM" }, { "course_uid": "course_4722ef6b23bfedc23131f60d", "uid": "instructor_1efa5f23b89868f3dfd07832", "name": "Jeff Hardin", "quality": 4.07419593815617, "quality_count": 50, "instructor_url": "/instructors/JEFF_HARDIN" }, { 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} ] ``` ## reviews ### items ```json [ { "observed_at": "2026-09-07 16:33:06.675961+00:00", "run_id": "20260907T155543-ce3781c4", "source_review_id": "UmF0aW5nLTQzMzkzNzg4", "source_instructor_id": "rmp:1877736", "instructor_name": "Jeremiah Yahn", "course_label": "BIO151", "course_id": null, "course_uid": null, "review_date": "2026-08-27 19:47:23 +0000 UTC", "comment": "If you take a genuine interest in animal physiology Dr. Yahn's portion of the class will be the most enjoyable of the 3. It is clear to me he is invested in his student's learning and if you match that investment with active participation in the course you will learn a lot and score well on the exam (what more could you want?)", "source_url": "https://www.ratemyprofessors.com/professor/1877736", "quality_rating": 5, "difficulty_rating": 2 }, { "observed_at": "2026-09-07 16:33:06.675961+00:00", "run_id": "20260907T155543-ce3781c4", "source_review_id": "UmF0aW5nLTQzMjY4NjUz", "source_instructor_id": "rmp:1877736", "instructor_name": "Jeremiah Yahn", "course_label": "BIO151", "course_id": null, "course_uid": null, "review_date": "2026-06-24 01:22:12 +0000 UTC", "comment": "He is a great professor. Always happy to answer questions afterward. Keeps lecture engaging and easy to follow. ", "source_url": "https://www.ratemyprofessors.com/professor/1877736", "quality_rating": 5, "difficulty_rating": 4 }, { "observed_at": "2026-09-07 16:33:06.675961+00:00", "run_id": "20260907T155543-ce3781c4", "source_review_id": "UmF0aW5nLTQzMTA2Mjky", "source_instructor_id": "rmp:1877736", "instructor_name": "Jeremiah Yahn", "course_label": "BIO151", "course_id": null, "course_uid": null, "review_date": "2026-05-12 18:54:53 +0000 UTC", "comment": "Personally, I enjoyed Yahn's lectures. He's very passionate about what he is teaching. I will say, the slides are very diagram heavy with not much text, but if you take time to review your notes and the diagrams you should be fine. He is also great with availability for meeting with students and responds to emails quickly!", "source_url": "https://www.ratemyprofessors.com/professor/1877736", "quality_rating": 4, "difficulty_rating": 4 }, { "observed_at": "2026-09-07 16:33:06.675961+00:00", "run_id": "20260907T155543-ce3781c4", "source_review_id": "UmF0aW5nLTQzMDY5NTM3", "source_instructor_id": "rmp:1877736", "instructor_name": "Jeremiah Yahn", "course_label": "BIO151", "course_id": null, "course_uid": null, "review_date": "2026-05-08 10:01:02 +0000 UTC", "comment": "Doesn't know how to make slides, isn't sober most of the time, was absolutely no help and made each lecture hell. ", "source_url": "https://www.ratemyprofessors.com/professor/1877736", "quality_rating": 1, "difficulty_rating": 5 }, { "observed_at": "2026-09-07 16:33:06.675961+00:00", "run_id": "20260907T155543-ce3781c4", "source_review_id": "UmF0aW5nLTQyOTYxNzI1", "source_instructor_id": "rmp:1877736", "instructor_name": "Jeremiah Yahn", "course_label": "BIO151", "course_id": null, "course_uid": null, "review_date": "2026-04-28 22:50:18 +0000 UTC", "comment": "He is really nice and passionate; however, the actual teaching is not as nice. His lectures are all over the place, and he goes over time a lot. Very difficult content, and you basically have no choice because he is the only professor for this class. I guess just do your best, Dr. Blair and Dr. Lee are much better.", "source_url": "https://www.ratemyprofessors.com/professor/1877736", "quality_rating": 1, "difficulty_rating": 5 }, { "observed_at": "2026-09-07 16:33:06.675961+00:00", "run_id": "20260907T155543-ce3781c4", "source_review_id": "UmF0aW5nLTQyOTUxODAy", "source_instructor_id": "rmp:1877736", "instructor_name": "Jeremiah Yahn", "course_label": "BIO151", "course_id": null, "course_uid": null, "review_date": "2026-04-28 03:58:27 +0000 UTC", "comment": "I want to like Professor Yahn… but man. His lectures are SO content heavy, the slideshows are not effective for studying or really much at all, and the discussion worksheets are very difficult to find the answers in any lecture content. I'd say read the textbook and put in as much time as you can.", "source_url": "https://www.ratemyprofessors.com/professor/1877736", "quality_rating": 2, "difficulty_rating": 5 } ] ``` ### total 58 ### page 1 ### courses None recorded. ### matched true ## social Image true