AI Rate Professor

Mathematics

Karl Schaffer

MATH1C · MATH1A · MATH044 · MATH2B · MATH46 · MATH1B · MATH046 · MATH22 · MATH44 · DISCRETEMATH · MATH12 · 100 lifetime ratings

AI rating
37/100
RMP rating
2.7/5
Take again
100%
Difficulty
3.2

The decision

Take him only if and mainly want a passable grade, not a .

Best fit · Self Taught ProDisorganizedConfusing lecturesEasy gradingLots of homeworkOpen-book exams
  • Students often say he is knowledgeable or nice, but many criticize the teaching as confusing and disorganized.
  • Grades can be surprisingly reachable because of , and low exam weight in some classes.
  • Attendance and workload can be demanding, especially with , and participation.

Key questions

Four answers before you build your schedule.

Is this an easy A?

EasyA

78/100

Grades are often easier than the learning experience because , and forgiving structures can carry students.

Online evidence is only one review, while in-person , and passing despite weak test scores.

Is the course easy?

Challenging

34/100

The math content and lecture style feel hard because many students describe fast, confusing, or .

Both formats report poor teaching clarity, but the and broader.

Is attendance flexible?

Mandatory

18/100

Many reviews say attendance is mandatory, roll is taken, or absences can trigger penalties or pop quizzes.

The single online review does not prove attendance policy, while classes.

Is this professor recommended?

Depends

42/100

He may work for , but many students strongly warn against him for learning.

Online evidence is negative but limited, while comments.

Course guide

See how this professor fits your week.

Grading

Lenient

76/100

Students mention , and passing even after poor test scores.

Format shift

; the single online review also says tests were not hard and passing was possible.

Workload

Heavy

30/100

Many reviews mention lots of , and daily effort.

Format shift

, while the online review does not give enough workload detail.

Teaching experience

Poor

34/100

Students often call him knowledgeable or nice, but repeated comments describe confusing, fast, disorganized, or ineffective teaching.

Format shift

Both formats criticize teaching, with .

Assessment method

Balanced

55/100

Reviews mention homework, , and exams with varied weights.

Format shift

and exams; the single online review only mentions midterms and a final.

Luni fit check

Weigh these signals against your actual schedule.

Get help balancing workload, grading, and timing when no option is an obvious fit.

Course format

Compare the in-person and online experience.

Classroom format

In person

49 reviews

High confidence · Best fit for Self Taught Pro

, but negative comments about confusing teaching and disorganization are frequent while .

Main concern

, and uncertainty about grades.

What students said

“ .”
MATH22
“THE ! .”
MATH46
“Open books, open notes, even open laptops for exams.”
MATH1B

Remote format

Online

1 reviews

Low confidence · Best fit for Self Taught Pro

The single online review says teaching was poor, but and passing was possible.

Main concern

The review says students felt lost during class.

What students said

“He does not know how to teach students.”
MATH12
“not that , and he will not fail you”
MATH12

Exam style

Know what to expect from exams and major assignments.

Many in-person reviews describe open-resource or low-weight exams, though some students still found tests difficult or poorly aligned.

Open BookOpen NotesOpen EverythingTake-Home TestLow Exam Weight

Assessment risk

StudentFriendly

80/100

Low score means less forgiving assessment conditions.

In person

In-person reviews repeatedly mention open-book, open-note, open-everything, practice-like, take-home, or low-weight exams, but difficulty varies by course.

Open BookOpen NotesOpen EverythingTake-Home TestPractice-Test Similarity
“ and notes.”
MATH22
“Open books, open notes, even open laptops for exams.”
MATH1B
“OPEN EVERYTHING FOR TESTS”
MATH1A

Online

The single online review says tests were not that hard and midterm grades mattered, but it .

Tests Not Too HardMidterms ImportantPolicy Not Clearly Proven
“not that , and he will not fail you, but ”
MATH12

Student evidence

See what students actually said.

Top student voice

“ unless you want an easy grade.”

Voice snapshots generated from 50 , and workload risk. Credibility rating: High.

🎯 Teaching Quality

34/100

“ .”

📈 Grade Ease

78/100

“I barely studied and I still got an A bc of the .”

📝 Workload Pressure

30/100

“There is A LOT of hw-at least a couple of hours a day.”

Theme 1

👨‍🏫 About Teaching Style

  • He does not know how to teach students.
  • He is a nice guy but is flustered.
  • He's a math genius, so his lectures are crazy in the eyes of an ordinary person.

Theme 2

📈 About Grades

  • Hw graded on effort.
  • and notes.
  • you can still pass even when all looks bleak.

Theme 3

⚠️ About Risks

  • Half the class dropped, the other half was lost the entire quarter.
  • the whole quarter.
  • Attend class or he will give pop quizzes on days he thinks you won't show up.

Data context

See exactly what the AI read.

Analysis sample

50

Recent reviews read by the AI

100

Lifetime ratings

88/100

Evidence confidence

There are 50 reviews over many years with rich details and repeated themes, though opinions vary by course and era.

Inside 50 stored ratings

Quality ratings

5 out of 518
4 out of 516
3 out of 516
2 out of 526
1 out of 524

Course coverage

MATH4622 reviews
MATH228 reviews
MATH448 reviews
MATH124 reviews
MATH1A2 reviews
Show 6 more courses
DISCRETEMATH1 review
MATH0441 review
MATH0461 review
MATH1B1 review
MATH1C1 review
MATH2B1 review

Reported outcomes

A range results lead the reported letter grades.

5 reported outcomes

A range

2

A 2

B range

2

B+ 1 · B 1

C range

1

C 1

D range

0

No reported values

F

0

No reported values

No letter grade reported

0

No reported values