AI Rate Professor

Biology

Justin Keller

BIO20 · BIO61 · BIO62 · BIOL62 · BIOL20 · 23 lifetime ratings

AI rating
25/100
RMP rating
2.5/5
Take again
37.5%
Difficulty
4.3

The decision

unless you are strong at and textbooks, and handling frequent difficult exams.

Best fit · Self Taught ProVery difficultTest-heavySelf-teaching requiredNo study guidesPolarizing personality
  • Reviews are sharply negative overall, with many students describing , limited guidance, and rude or dismissive interactions.
  • A smaller group succeeds and appreciates comprehensive lectures, dropped scores, and .
  • The course is high effort and exam-heavy, so students must self-study heavily and tolerate uncertainty about what will be tested.

Key questions

Four answers before you build your schedule.

Is this an easy A?

HardWork

28/100

An A is possible for strong self-studiers, but most students describe heavy memorization, frequent tests, no study guides, and .

Online evidence is very negative, while but still shows major effort and risk.

Is the course easy?

BrainBurner

18/100

The biology content is dense and made , and exams that many students say do not match preparation materials.

Both online and online comments especially harsh about self-teaching.

Is attendance flexible?

Recommended

28/100

as officially mandatory, but students repeatedly say lectures, recordings, and lab time are necessary to survive.

, while online reviews do not establish a separate attendance policy.

Is this professor recommended?

Avoid

34/100

Most students do not recommend him because the , and unusually hard, despite a few positive success stories.

, while in-person reviews are polarized but still lean negative.

Course guide

See how this professor fits your week.

Grading

Strict

34/100

, but students repeatedly call him a and say exams, quizzes, and practicals are harsh.

Format shift

In-person reviews provide most details about dropped scores, while online and poor preparation.

Workload

Overwhelming

18/100

The workload is dominated by constant studying, weekly quizzes or tests, practicals, dense slides, and textbook self-teaching.

Format shift

Online and in-person reviews both describe high workload, with and practicals.

Teaching experience

Poor

32/100

Some students value his knowledge, but many describe lectures as , and unsupported by study guides or .

Format shift

Online teaching evidence is strongly negative, while but still contains frequent complaints.

Assessment method

FocusOnExams

94/100

Grades are driven almost entirely by quizzes, exams, practicals, and several sections.

Format shift

Both formats emphasize exams, while , quizzes, and practicals.

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

21 reviews

High confidence · Best fit for Hardcore Learner

but mostly warn about fast lectures, , and heavy self-study, with some students praising his knowledge and dropped-score policies.

Main concern

Students often feel underprepared for exams and must create their own study strategy.

What students said

“Most of the and ppt slides.”
BIO62
“No study guides, fast and , and you end up reteaching yourself.”
BIO20
“ .”
BIO20

Remote format

Online

3 reviews

Medium confidence · Best fit for Self Taught Pro

Online reviews are uniformly negative and describe extreme difficulty, poor guidance, self-teaching, and .

Main concern

Students say online sections require teaching yourself with little useful support.

What students said

“This is the most difficult class Ive ever taken in my time at Chaffey.”
BIO20
“you just have to hope you studied the right things.”
BIOL20
“If you can teach yourself, this is the perfect class for you.”
BIOL20

Exam style

Know what to expect from exams and major assignments.

because students report frequent difficult quizzes, exams, and practicals with little study guidance, though some lowest scores may be dropped.

Test HeavyNo Study GuidesDifficult PracticalsDropped Lowest Scores

Assessment risk

Strict

24/100

Low score means less forgiving assessment conditions.

In person

, and practicals, no study guides, and dropped lowest scores, but do not clearly prove closed-book or proctoring rules.

Frequent ExamsQuizzesPracticalsNo Study GuidesDropped Lowest Scores
“He gives a total of 5E, 5Q and 4 practicals and .”
BIO20
“had like 5 exams and 3 practicals and did not give one study guide”
BIO20
“Practicals were VERY difficult to study for”
BIO62

Online

Online reviews describe very difficult exams and no study guides, but they do not clearly prove webcam, proctoring, open-book, or Lockdown Browser policy.

Difficult ExamsNo Study GuidesSelf-Study Exams
“ and .”
BIO20
“doesn't tell us what we should be studying”
BIOL20
“theres no study guides or homework”
BIOL20

Student evidence

See what students actually said.

Top student voice

“ .”

Voice snapshots generated from 24 reviews, highlighting key themes in , and recommendation risk. Credibility rating: High.

🎯 Teaching Quality

32/100

“His lectures are mostly rambling, you won't get anything useful and will have to read the textbook and teach yourself.”

📚 Course Difficulty

18/100

“This class will consume your life.”

⚖️

34/100

“He gives a total of 5E, 5Q and 4 practicals but .”

Theme 1

👨‍🏫 About Teaching Style

  • No study guides, fast and , and you end up reteaching yourself.
  • This professor's lectures are extremely comprehensive of everything that and quizzes.
  • Lectures are all ppt based/No specific study guide provided.

Theme 2

📈

  • and teach yourself!
  • and exams.
  • there is basically a .

Theme 3

⚠️ About Support & Attitude

  • It's hard to ask for help or ask further questions
  • The way he spoke to the students was very condescending.
  • .

Data context

See exactly what the AI read.

Analysis sample

24

Recent reviews read by the AI

23

Lifetime ratings

86/100

Evidence confidence

The analysis is based on 24 reviews with detailed, repeated themes across formats, though opinions are polarized and online evidence is limited to three reviews.

Inside 24 stored ratings

Quality ratings

5 out of 52
4 out of 57
3 out of 51
2 out of 55
1 out of 59

Course coverage

BIO2012 reviews
BIOL205 reviews
BIO613 reviews
BIO623 reviews
BIOL621 review

Reported outcomes

C range results lead the reported letter grades.

22 reported outcomes

A range

5

A+ 2 · A 2 · A- 1

B range

2

B 2

C range

8

C+ 4 · C 1 · C- 3

D range

2

D+ 1 · D 1

F

1

F 1

No letter grade reported

4

Drop/Withdrawal 1 · Incomplete 1 · Not sure yet 2