Hector Valtierra

BIO152 · BIO265 · BIO131L · BIO130 · BIO152L · MICRO · MICRO152 · CLASS · BIO101 · 37 lifetime ratings

AI rating: 39/100
RMP rating: 3.1/5
Take again: 40%
Difficulty: 3.7

The decision

if you can handle a demanding biology class with and a professor whose style many students find harsh or inconsistent.

Best fit · Hardcore LearnerPolarizing teaching styleHard examsStrict gradingFast lecturesSelf-teaching risk

Reviews are sharply split between students who learned a lot from a knowledgeable professor and students who found him rude, unhelpful, or disorganized.
The course is usually difficult, exam-heavy, and detail-focused, with .
Online reviews are overwhelmingly negative and describe poor lectures, YouTube reliance, and disrespectful communication.

Key questions

Four answers before you build your schedule.

Is this an easy A?

HardWork

34/100

An A is possible for strong, disciplined students, but repeated comments describe hard exams, trick questions, no , and heavy memorization.

Online reviews suggest passing may require self-teaching, while but sometimes rewarding path for students who study intensely.

Is the course easy?

Challenging

28/100

The biology content is detailed, fast-paced, and exam-focused, especially in microbiology and lab sections.

Online students describe confusion and poor instruction, while and demanding exams.

Is attendance flexible?

Avoid

39/100

Recommendation is low because many students , and weak support despite some strong praise from successful students.

Online , while in-person reviews are polarized between strong recommendations and serious warnings.

Course guide

See how this professor fits your week.

Grading

Strict

24/100

Students often report tough grading, hard written exams, trick questions, pop quizzes, and no .

Format shift

Online reviews mention harsh exceptions and tricky quizzes, while and difficult written tests.

Workload

Heavy

27/100

Workload is heavy because students must read, memorize details, complete assignments quickly, and prepare for .

Format shift

Online reviews describe sudden quizzes and self-teaching, while , and frequent exams.

Teaching experience

Poor

48/100

He is knowledgeable and helpful for some students, but many describe him as .

Format shift

Online teaching reviews are very poor, while and include both excellent and awful experiences.

Assessment method

FocusOnExams

88/100

Assessment is dominated by exams, quizzes, written questions, fill-in responses, and .

Format shift

Both formats mention quizzes and exam pressure, while , and handwritten exams.

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

32 reviews

High confidence · Best fit for Hardcore Learner

In-person reviews are mixed, with some strong praise for knowledge and support but , and condescension.

Main concern

and the professor can feel strict, fast, or dismissive to students who need help.

What students said

“ . Hardest class as well.”
BIO152

“teaches fast and and on the detail.”
MICRO

“ though, so you have to study.”
BIO152

Remote format

Online

5 reviews

Medium confidence · Best fit for Self Taught Pro

Online reviews are consistently negative, citing poor Zoom lectures, disorganization, disrespectful responses, and a need to teach yourself.

Main concern

Students report weak instruction and rude or belittling communication online.

What students said

“ at all, all he does is send you youtube videos to watch”
BIO130

“I learned nothing in this class but managed to pass by teaching myself.”
BIO152

“Since the first day of class, he was unorganized.”
BIO101

Exam style

Know what to expect from exams and major assignments.

Exams are generally strict and difficult, with written or fill-in formats, tricky questions, and heavy detail memorization.

Essay ExamsFill-In ExamsPop QuizzesTrick QuestionsNo Extra CreditStudy Guides Vary

Assessment risk

Strict

24/100

Low score means less forgiving assessment conditions.

In person

In-person reviews explicitly describe essay-style, short-answer, fill-in, handwritten exams, pop quizzes, and , but do not clearly prove closed-book rules.

Essay ExamsShort Answer ExamsFill-In ExamsHandwritten ExamsPop Quizzes

“ , and .”
BIO152

“ .”
CLASS

“ .”
BIO152

Online

Online reviews mention tricky quizzes and self-teaching, but they do not clearly prove webcam, proctoring, Lockdown Browser, open-book, or take-home policies.

Trick QuizzesPoor Lecture Support

“the ”
BIO130

“ and surveys the day it is due”
BIO101

Student evidence

See what students actually said.

Top student voice
“ . Hardest class as well. You HAVE to put 110% into this class.”
Voice snapshots generated from 37 reviews, , and format differences; credibility rating: High.

🎯 Teaching Quality

48/100

“He is extremely knowledgeable and is always willing to answer any questions.”

⚠️

24/100

“To get an A you have to study hard and memorize every single detail he goes over.”

👍 Recommendation Risk

39/100

“Do not take his class whatever you do.”

Theme 1

🧪 About Difficulty and Exams

. Only 3 People passed his test.
though, so you have to study.
He .

Theme 2

👨‍🏫 About Teaching Style

He is knowledgeable on the subject and is approachable.
at all, all he does is send you youtube videos to watch
Teach fast, but expect you to understand everything.

Theme 3

⚠️ About Student Treatment

Always made me feel extremely dumb for asking any question.
Instructor is very condescending, unwelcoming of questions
He is easy to talk to and very helpful, so don't be afraid to ask questions.

Data context

See exactly what the AI read.

Analysis sample

Recent reviews read by the AI

Lifetime ratings

88/100

Evidence confidence

Thirty-seven reviews span many years and include detailed, consistent evidence of difficult exams and a polarizing teaching style.

Inside 37 stored ratings

Quality ratings

5 out of 515

4 out of 54

3 out of 53

2 out of 54

1 out of 511

Course coverage

BIO15216 reviews

BIO1306 reviews

MICRO1525 reviews

BIO152L3 reviews

BIO1012 reviews

Show 4 more courses

BIO131L2 reviews

BIO2651 review

CLASS1 review

MICRO1 review

Reported outcomes

B range results lead the reported letter grades.

12 reported outcomes

A range

A+ 1 · A 3

B range

B+ 5 · B 1

C range

C 1

D range

No reported values

F

No reported values

No letter grade reported

Drop/Withdrawal 1

Hector Valtierra

x x x if you can handle a demanding biology class with x x and a professor whose style many students find harsh or inconsistent.

Four answers before you build your schedule.

HardWork

Challenging

Recommended

Avoid

See how this professor fits your week.

Compare the in-person and online experience.

Know what to expect from exams and major assignments.

In person

Online

See what students actually said.

🎯 Teaching Quality

⚠️ x x

👍 Recommendation Risk

🧪 About Difficulty and Exams

👨‍🏫 About Teaching Style

⚠️ About Student Treatment

See exactly what the AI read.

Quality ratings

Course coverage

B range results lead the reported letter grades.

A range

B range

C range

D range

F

No letter grade reported

if you can handle a demanding biology class with and a professor whose style many students find harsh or inconsistent.

⚠️