# Richard Crabb — Courses & Reviews | UW–Madison [View on UW Courses](https://uwcourses.com/instructors/RICHARD_CRABB) ## 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\_89f663a80da4d6ad75eda1a6 ### source enrollment ### source instructor id rcrabb ### identity basis netid ### identity status source\_identified ### name Richard Crabb ### email RCRABB\@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 69 #### quality 4.51 #### difficulty 3.25 #### quality count 69 #### difficulty count 69 #### profile id rmp:2130030 #### source url #### match basis exact\_name #### observed at 2026-09-07 16:10:03.315943+00:00 #### courses ##### course 801a8dc807b21e1c6c93cc3f ###### review count 31 ###### quality 4.48 ###### difficulty 3.13 ###### quality count 31 ###### difficulty count 31 ##### course 969e3f1b5c6d33d8965c5c9b ###### review count 1 ###### quality 5 ###### difficulty 2 ###### quality count 1 ###### difficulty count 1 #### bayesian quality 4.318918153605977 #### prior mean 3.6596857835465957 #### prior weight 20 ### current true ### courses | course\_uid | course\_id | title | credits\_min | credits\_max | gpa | | -------------------------------- | ---------- | ------------------------------------ | ------------ | ------------ | ----- | | course\_801a8dc807b21e1c6c93cc3f | GENBUS 306 | BUSINESS ANALYTICS I | 3 | 3 | 3.157 | | course\_da82143735bb474d94fc0ac0 | GENBUS 206 | BEGINNING DATA ANALYSIS FOR BUSINESS | 3 | 3 | 3.216 | ### revision e243353dcb7d79b7247ced91d69443ef4c2a6349 ### instructor url /instructors/RICHARD\_CRABB ## history | term | course\_uid | course\_id | title | | ---- | -------------------------------- | ---------- | ------------------------------------ | | 1272 | course\_da82143735bb474d94fc0ac0 | GENBUS 206 | BEGINNING DATA ANALYSIS FOR BUSINESS | | 1272 | course\_801a8dc807b21e1c6c93cc3f | GENBUS 306 | BUSINESS ANALYTICS I | ## timeline | term | courses | | ---- | ------- | | 1272 | 2 | ## term 1272 ## courses ```json [ { "course_uid": "course_da82143735bb474d94fc0ac0", "course_id": "GENBUS 206", "title": "BEGINNING DATA ANALYSIS FOR BUSINESS", "credits_min": 3, "credits_max": 3, "gpa": 3.216, "badges": [ { "id": "rated-teacher", "label": "Highly rated instructor", "tone": "positive", "evidence": "Fall 2026: Richard Crabb (4.32/5 adjusted; 69 ratings). At least one assigned instructor qualifies. This describes instructor reviews across courses, not a course rating.", "sources": [ { "label": "Richard Crabb", "href": "/instructors/RICHARD_CRABB" } ] }, { "id": "grade-outcomes", "label": "Lower grades", "tone": "negative", "evidence": "Fall 2025 · latest released grades before Fall 2026: 3.25 GPA across 42 letter grades, versus 3.63 for UW–Madison (1320 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/GENBUS_206#grades" } ] } ], "description": "GENBUS 206 teaches basic business statistical skills, probability, and Excel-based data analysis to address business issues.", "discovery": { "term": "1272", "offered": true, "history": { "counts": [ 49, 29, 43, 15, 6, 0, 6 ], "count": 148, "gpa": 3.2162162162162162, "topShare": 52.702702702702695, "firstTerm": "1234", "lastTerm": "1262" }, "instructors": [ { "course_uid": "course_da82143735bb474d94fc0ac0", "uid": "instructor_89f663a80da4d6ad75eda1a6", "name": "Richard Crabb", "quality": 4.318918153605977, "quality_count": 69, "instructor_url": "/instructors/RICHARD_CRABB" } ], "instructorHistory": { "counts": [ 0, 0, 0, 0, 0, 0, 0 ], "count": 0, "gpa": null, "topShare": null }, "courseComparison": { "counts": [ 0, 0, 0, 0, 0, 0, 0 ], "count": 0, "gpa": null, "topShare": null }, "claim": { "citations": [ { "course_id": "GENBUS 206", "run_id": "20260907T155543-ce3781c4", "section_number": 100, "source_course_id": "98ee1a49-b138-301f-8ffc-9401dd8a825a", "source_record": { "entity_id": "98ee1a49-b138-301f-8ffc-9401dd8a825a", "file": "tables/observations.parquet", "kind": "grades", "source": "madgrades" }, "table": "section_grades_latest", "term_id": "1234", "type": "grade" }, { "course_id": "GENBUS 206", "run_id": "20260907T155543-ce3781c4", "section_number": 100, "source_course_id": "98ee1a49-b138-301f-8ffc-9401dd8a825a", "source_record": { "entity_id": "98ee1a49-b138-301f-8ffc-9401dd8a825a", "file": "tables/observations.parquet", "kind": "grades", "source": "madgrades" }, "table": "section_grades_latest", "term_id": "1254", "type": "grade" }, { "course_id": "GENBUS 206", "run_id": "20260907T155543-ce3781c4", "section_number": 100, "source_course_id": "98ee1a49-b138-301f-8ffc-9401dd8a825a", "source_record": { "entity_id": "98ee1a49-b138-301f-8ffc-9401dd8a825a", "file": "tables/observations.parquet", "kind": "grades", "source": "madgrades" }, "table": "section_grades_latest", "term_id": "1262", "type": "grade" } ], "text": "Recent recorded grades — Spring 2023: 3.36 GPA, 47.6% A/AB (n=21 letter grades); Spring 2025: 3.34 GPA, 53.7% A/AB (n=41 letter grades); Fall 2025: 3.25 GPA, 71.4% A/AB (n=42 letter grades)." }, "reviewFiles": [] } }, { "course_uid": "course_801a8dc807b21e1c6c93cc3f", "course_id": "GENBUS 306", "title": "BUSINESS ANALYTICS I", "credits_min": 3, "credits_max": 3, "gpa": 3.157, "badges": [ { "id": "rated-teacher", "label": "Highly rated instructor", "tone": "positive", "evidence": "Fall 2026: Richard Crabb (4.32/5 adjusted; 69 ratings). At least one assigned instructor qualifies. This describes instructor reviews across courses, not a course rating.", "sources": [ { "label": "Richard Crabb", "href": "/instructors/RICHARD_CRABB" } ] }, { "id": "grade-outcomes", "label": "Lower grades", "tone": "negative", "evidence": "Spring 2026 · latest released grades before Fall 2026: 3.25 GPA across 478 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/GENBUS_306#grades" } ] }, { "id": "lecture-size", "label": "Large lectures", "tone": "neutral", "evidence": "Fall 2026: median 128 enrolled students across 4 recorded lecture sections. Small means 30 or fewer; large means 100 or more. Enrollment at scan time, not capacity or typical historical attendance.", "sources": [ { "label": "Sections and enrollment", "href": "/courses/GENBUS_306#schedule" } ] } ], "description": "Business Analytics I teaches quantitative intuition, database visualization, probability, hypothesis testing, regression, and simulation for business decision-making.", "discovery": { "term": "1272", "offered": true, "history": { "counts": [ 1197, 732, 1236, 591, 372, 19, 20 ], "count": 4167, "gpa": 3.191384689224862, "topShare": 46.292296616270704, "firstTerm": "1224", "lastTerm": "1264" }, "instructors": [ { "course_uid": "course_801a8dc807b21e1c6c93cc3f", "uid": "instructor_89f663a80da4d6ad75eda1a6", "name": "Richard Crabb", "quality": 4.318918153605977, "quality_count": 69, "instructor_url": "/instructors/RICHARD_CRABB" }, { "course_uid": "course_801a8dc807b21e1c6c93cc3f", "uid": "instructor_2c6caf48eb75772abbb9c381", "name": "Hessam Bavafa", "quality": 3.753202409811081, "quality_count": 28, "instructor_url": "/instructors/HESSAM_BAVAFA" }, { "course_uid": "course_801a8dc807b21e1c6c93cc3f", "uid": "instructor_0f4cf7cd91e89d592b13b677", "name": "Carson Tesch", "quality": null, "quality_count": null, "instructor_url": "/instructors/CARSON_TESCH" }, { "course_uid": "course_801a8dc807b21e1c6c93cc3f", "uid": "instructor_b75be471d19371026a091cf5", "name": "Haoting Ling", "quality": null, "quality_count": null, "instructor_url": "/instructors/HAOTING_LING" }, { "course_uid": "course_801a8dc807b21e1c6c93cc3f", "uid": "instructor_81ad9daf0b9289e97aaf1b42", "name": "MAXWELL MCCARTNEY", "quality": null, "quality_count": null, "instructor_url": "/instructors/MAXWELL_MCCARTNEY" }, { "course_uid": "course_801a8dc807b21e1c6c93cc3f", "uid": "instructor_3672ab4fec595c3598f86322", "name": "Rohan Shah", "quality": null, "quality_count": null, "instructor_url": "/instructors/ROHAN_SHAH" }, { "course_uid": "course_801a8dc807b21e1c6c93cc3f", "uid": "instructor_93fa42ecc1378dfea7d6ba28", "name": "Tinghe Zhang", "quality": null, "quality_count": null, "instructor_url": "/instructors/TINGHE_ZHANG" } ], "instructorHistory": { "counts": [ 0, 0, 0, 0, 0, 0, 0 ], "count": 0, "gpa": null, "topShare": null }, "courseComparison": { "counts": [ 0, 0, 0, 0, 0, 0, 0 ], "count": 0, "gpa": null, "topShare": null }, "claim": { "citations": [ { "instructor_name": "Richard Crabb", "review_date": "2016-11-30 21:47:51 +0000 UTC", "review_id": "55b092c4d23faa019b82c405", "run_id": "20260907T155543-ce3781c4", "source_instructor_id": "rmp:2130030", "source_review_id": "UmF0aW5nLTI3MjkyODE4", "source_url": "https://www.ratemyprofessors.com/professor/2130030", "type": "review" }, { "instructor_name": "Richard Crabb", "review_date": "2017-05-22 22:53:02 +0000 UTC", "review_id": "cc1f61cf2505ac598d500e13", "run_id": "20260907T155543-ce3781c4", "source_instructor_id": "rmp:2130030", "source_review_id": "UmF0aW5nLTI4MzY0OTc3", "source_url": "https://www.ratemyprofessors.com/professor/2130030", "type": "review" }, { "instructor_name": "Richard Crabb", "review_date": "2024-04-16 03:16:00 +0000 UTC", "review_id": "3018472d31019fa0946cfeb4", "run_id": "20260907T155543-ce3781c4", "source_instructor_id": "rmp:2130030", "source_review_id": "UmF0aW5nLTM5MTgwMjQ5", "source_url": "https://www.ratemyprofessors.com/professor/2130030", "type": "review" }, { "instructor_name": "Richard Crabb", "review_date": "2024-06-27 20:09:29 +0000 UTC", "review_id": "a89f7df0c4c275ef72ac88db", "run_id": "20260907T155543-ce3781c4", "source_instructor_id": "rmp:2130030", "source_review_id": "UmF0aW5nLTM5NTk3Mzgy", "source_url": "https://www.ratemyprofessors.com/professor/2130030", "type": "review" }, { "instructor_name": "Richard Crabb", "review_date": "2024-12-23 20:01:37 +0000 UTC", "review_id": "e217dcf711208defba57ce8d", "run_id": "20260907T155543-ce3781c4", "source_instructor_id": "rmp:2130030", "source_review_id": "UmF0aW5nLTQwNDI0NzMw", "source_url": "https://www.ratemyprofessors.com/professor/2130030", "type": "review" } ], "text": "Richard Crabb is a passionate, funny lecturer who uses real-world applications to engage students. Reviewers praise his clarity and flexibility, noting he wants everyone to succeed. The course material is described as challenging, but his engaging style makes the class interesting." }, "reviewFiles": [ "/data/e243353dcb7d79b7247ced91d69443ef4c2a6349/reviews/course_801a8dc807b21e1c6c93cc3f-0.json" ] } } ] ``` ## reviews ### items ```json [ { "observed_at": "2026-09-07 16:10:03.315943+00:00", "run_id": "20260907T155543-ce3781c4", "source_review_id": "UmF0aW5nLTQzMDcwMzgw", "source_instructor_id": "rmp:2130030", "instructor_name": "Richard Crabb", "course_label": "GENBUS306", "course_id": "GENBUS 306", "course_uid": "course_801a8dc807b21e1c6c93cc3f", "review_date": "2026-05-08 14:42:20 +0000 UTC", "comment": "Crabb is amazing and he cares about his students. The class is weighted mostly in exams and excel cases, but the class structure makes it very easy to do well in both if you prepare. If you miss class, there are videos with all of the day's content on Canvas, and if you do go, Crabb will be pretty clear about the questions you'll see on the exams.", "source_url": "https://www.ratemyprofessors.com/professor/2130030", "quality_rating": 4, "difficulty_rating": 3 }, { "observed_at": "2026-09-07 16:10:03.315943+00:00", "run_id": "20260907T155543-ce3781c4", "source_review_id": "UmF0aW5nLTQzMDU0NDQ1", "source_instructor_id": "rmp:2130030", "instructor_name": "Richard Crabb", "course_label": "GENBUS306", "course_id": "GENBUS 306", "course_uid": "course_801a8dc807b21e1c6c93cc3f", "review_date": "2026-05-07 01:58:17 +0000 UTC", "comment": "Nothing bad to say about Richard. He's super chill and really funny during lecture. He gives you tons of practice problems and I would suggest relying on those more to study than the old exams he provides since they're usually outdated. Nothing too shocking on his exams. Again, just do his practice problems. ", "source_url": "https://www.ratemyprofessors.com/professor/2130030", "quality_rating": 4, "difficulty_rating": 3 }, { "observed_at": "2026-09-07 16:10:03.315943+00:00", "run_id": "20260907T155543-ce3781c4", "source_review_id": "UmF0aW5nLTQzMDQ2NTkx", "source_instructor_id": "rmp:2130030", "instructor_name": "Richard Crabb", "course_label": "GENBUS306", "course_id": "GENBUS 306", "course_uid": "course_801a8dc807b21e1c6c93cc3f", "review_date": "2026-05-06 17:02:04 +0000 UTC", "comment": "I don't have enough great things to say about Professor Crabb, obviously GB306 is not a class that many people want to take but he makes it bearable with his jokes about his mom's favoritism of his sister and stories of his professional career. On top of running a class of over 500 people, he responded and wrote my request for a LOR in 24 hours. ", "source_url": "https://www.ratemyprofessors.com/professor/2130030", "quality_rating": 5, "difficulty_rating": 2 }, { "observed_at": "2026-09-07 16:10:03.315943+00:00", "run_id": "20260907T155543-ce3781c4", "source_review_id": "UmF0aW5nLTQzMDQxNDQ0", "source_instructor_id": "rmp:2130030", "instructor_name": "Richard Crabb", "course_label": "GENBUS306", "course_id": "GENBUS 306", "course_uid": "course_801a8dc807b21e1c6c93cc3f", "review_date": "2026-05-06 03:19:42 +0000 UTC", "comment": "Richard Crabb was a really nice person, and I could tell he cared about his students. However, the lectures were very hard to follow along with his notes which were not easy to read. When it came to preparing for exams there were previous midterms and finals, but these are super outdated (2019) and did not correlate well with the actual exams. ", "source_url": "https://www.ratemyprofessors.com/professor/2130030", "quality_rating": 3, "difficulty_rating": 5 }, { "observed_at": "2026-09-07 16:10:03.315943+00:00", "run_id": "20260907T155543-ce3781c4", "source_review_id": "UmF0aW5nLTQzMDQwOTQ3", "source_instructor_id": "rmp:2130030", "instructor_name": "Richard Crabb", "course_label": "GENBUS306", "course_id": "GENBUS 306", "course_uid": "course_801a8dc807b21e1c6c93cc3f", "review_date": "2026-05-06 02:38:43 +0000 UTC", "comment": "Lectures are hard to follow but lots of practice to do. Discussion and Lecture have no participation, lecture is stuff for tests and discussion is excel case reports.", "source_url": "https://www.ratemyprofessors.com/professor/2130030", "quality_rating": 3, "difficulty_rating": 3 }, { "observed_at": "2026-09-07 16:10:03.315943+00:00", "run_id": "20260907T155543-ce3781c4", "source_review_id": "UmF0aW5nLTQzMDMxOTAz", "source_instructor_id": "rmp:2130030", "instructor_name": "Richard Crabb", "course_label": "GB306", "course_id": null, "course_uid": null, "review_date": "2026-05-05 16:36:46 +0000 UTC", "comment": "Easily my favorite professor so far. He's an excellent, engaging teacher who provides plenty of materials and practice problems to help you succeed. Everything you need to do well in the class is made available.", "source_url": "https://www.ratemyprofessors.com/professor/2130030", "quality_rating": 5, "difficulty_rating": 3 } ] ``` ### total 69 ### page 1 ### courses | course\_uid | course\_id | | -------------------------------- | ---------- | | course\_801a8dc807b21e1c6c93cc3f | GENBUS 306 | | course\_969e3f1b5c6d33d8965c5c9b | GENBUS 365 | ### matched true ## social Image true