If you read and study the classical notes it is possible to do very well in the class. Material can be interesting sometimes. Shows a lot of slides.

Great teacher! He's very easy-going and goes into the subject in great detail! He doesn't give minuses or pluses, just straight grades, so I got an A in 155! Just attend class and read the classical notes! His tests are hard because of the extensive vocab

He is very laid back- can get stuck sometimes going off on a tangent about his research. Tests are hard but fair- definitely study and DON'T take the essay tests if you have a choice between essay and multiple choice- the average is always lower!

very laid-back; to do well in the class make sure you read the classical notes and pay attention during his 2 hr review before the midterms. Exams are straight forward; comes directly from lecture notes and classical notes. Very nice professor.

Good professor. Very straightforward subject matter. His packet of lecture notes at Classical Notes is very helpful. His midterm (each of the 3 profs give one midterm) was very easy. It was 40 MC questions and many people were done in about 20 minutes.

His test was pretty straight forward. Make sure to buy the notes and study.

Great teacher, very specific classical notes, if you just put in moderate effort, you can get an A.

Lectures were good, only uses the chalk board though. Classical notes were essential and were helpful when studying for the final, interesting, overall good professor.

Compelling material and theories. Tests were challenging, but the grading curve is fairly distributed. Recommended for anyone, especially those interested in evolutionary psychology.

great professor, explains well, very passionate about subject, make sure you go to class and take good notes to get an A. One of the best professor at UCD! Highly recommended.

Class started out very slowly, but it became interesting. He pretty much just tests on information from the lecture notes, so study those closely. Only two tests, a midterm and a final, but don’t worry the midterm is pretty easy....

Great professor. very approachable and helpful. Seems to care a lot about his students. Go to class and pay attention to the slides and what he draws on the board. It helps to picture them when taking the midterms.

Pretty laid back class. Not much work involved with this class. Just read the notes he provides with the reader... if you know them well you'll do fine on the midterm and the final.

his section of PSC 101 is by far the easiest- don't do the reading (it's a waste of time)....pay close attention to his final review session, everything he talks about shows up on the test. As long as you know the review material you'll get an A!

Coss is an expert in animal cognition so this class was particularly harder than his other classes. I highly recommend you to attend his class if you are taking psc 127 because the material can be confusing if you only read his reader and classical notes.

He draws many pictures on the board which helps you visualize what he's saying. Very helpful and a great professor!

Study his packet that he provides! Study it well, and all goes well:)

read the classical notes and you'll get an A...no need to study anything else.

Lectures were a bit hard to follow at first, but he does a lot of drawings to give you a visual representation of what he is trying to teach. Tests was straight off the review session and the classical notes, no reading necessary at all.

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If you're a visual person, go to class. It helps A LOT! Otherwise, just read the lecture notes he provides and keep up with the readings and you should be guaranteed at least a B. He provides a CD with all the slides. Great Prof.

DONT BUY THE BOOK! I opened it once to try and read the first chapter and didn't get past the first page. When he lectures he is kind of all over the place but he gives you the lecture notes and has a review session before each test. All you need to know is what he says during the review. I missed an A buy only a few points and didnt work very hard

This was the most interesting class I have ever taken. As long as you read the notes and attend class you should do well.The book is more for additional info.Everything you need to know is in the notes.The key, is also to attend the review sessions before the exam. Trust me.

As someone posted for PSC101, "read the classical notes and you'll get an A...no need to study anything else," this stands for PSC155. I got an A and I went to class maybe total of a week and 1/2. He doesn't give + or -'s, and he has a generous set curve based on previous classes. Good luck.

Omg, soo boring! He seriously spent an entire 2-hr. lecture explaining classical and operant conditioning to upper-division psych. students! Buy his classical notes and memorize them and you will get an A. I suggest bringing a Sudoku and coffee to his lectures if you ever attend...

I graduated from Davis in 03 and am now working on a Ph.D. in clinical psychology. I thought that Coss was a bore, but looking back at all of the professors I have had thus far, I now know that he was as CLEAR as they come! Also, he allowed my to conduct research for him that got me into grad school (no easy task even with a 3.9 GPA).

So easy. Professor Coss is very nice but his lecture is boring and much of what he teaches is a review of PSC 1. Buy the classical notes! You do not need to read the book for his thrid of the class. If you memorize the classical notes and attend the last lecture before the exam when he reviews you can get an A easily!

Prof. Coss is fair with his exam. If you spend the $2 to buy his lecture notes on campus, you should at least get a "B" on the exam (without really attending lecture). He does not test the book. However, if you want an "A" on his exam, attend all lectures and review session. Definitely approachable. Check out Dr. Henry and Dr. Owings ratings.

His lectures are kind of boring, but he is pretty clear in his material. His classical notes help a lot...test is very fair.

Ok- unlike many others- I thought that Dr. Coss had the MOST energy than any of my other Profs. It was obvious that he loves what he does, and that was inspirering after 30 years of teaching the same course. GO to open hrs- and read his material- and take the multiple and you'll do fine. He is VERY fair. The one class on perception was hilarious.

I hate how he draws so much on the chalk board b/c then you have to copy it, but it does help you to understand what he is saying. He has his notes at Clasical Notes, buy them b/c they help and they are cheap. His lectures are recorded and you don't have to read the textbook. 40 multiple choice test. Easy.

He explains concepts well, but is very dry. He loves to show off his artistic skills by drawing pictures of every animal he mentions, even if it's not really helpful to our understanding of the material. Exams are easy, it's possible to get by with just the classical notes and lecture recordings.

Copying lecture notes are pointless when you can just buy the classical notes...easiest test of the three teachers.

buy the old classical notes for his section of this class cause its pretty much verbatim. you don't have to read at all for coss's section, and he holds a whirlwind review right before the midterm where he literally tells you the answers to the test.

Easiest of the 3. Got a 40/40 on his test and all I did was memorize his classical notes. His review session was helpful and since he records his lectures, it would be wise to play it over yourself before the test.

This was the easiest test, period. I dont understand how people can get less than an A on his test, which is basically directly off of his review that he conveniently posts online. Listen to the review 2 times, and you will ace the exam. If not just message me, and I'll give you more advice

The coolest professor at Davis. Not only does he know his stuff, he records everything and gives u his notes. Very easy even though he covers a lot. There are sometimes people asking him to slow down like in every class, but an able and curious mind will appreciate his subtle humor and see examples in everyday life long after the quarter is over

His section was easy. I got a 39/40- no problem. It's not necessary to read the book or really even to show up to class. He has a review class- just listen to that podcast and use the lecture drawings when he goes through it. Know everything he says in the review. Soo easy!

I like this teacher. He devotes the class before each of his tests to a review session where he goes over all of the possible answers. read the material, go to class, and definately go to review days. He also posts podcasts of his lectures. Put the review sessions on your ipod, listen to them once or twice and you'll be fine.

He talks in monotone but his drawings make it up; beautiful drawings and they help me a lot in remembering the material. He is really clear in what you need to know on the midterm even though he covers a lot of material. I recommend him!

Nice guy, very knowledgeable but not clear in his lectures! His midterms are detailed and the wording is very confusing. You don't get tested on what you know, but rather on whether you can understand what he is asking in his test questions.

blah, blah, blah, thats what he sounds like after the first hour. Nonetheless the material is pretty interesting and can be applied to daily life.

I LOVED this class. I thought Dr. Coss was a fantastic teacher. the information was really interesting. The class is titled "environmental psych," but it covered everything from the aspects of evolution to the impact of shapes/patterns. The reader he provides is extremely helpful. there is 1 midterm and 1 final. Go to lecture and study the reader.

Class is very interesting and insightful. He cares a lot about what he is teaching and does and the readings are very relevant. His drawings are immensely helpful. Attend the review classes and understand the concepts. This was a great class.

I've taken Coss before for PSC 101 and enjoyed him but for some reason when it came to this class I had a really hard time paying attention to him. He went off topic alot and showed 50 examples for easy points that only needed 1 or 2 examples.Also, although I was only 2 points from the A cut-off, I was given a B rather than a B+ which hurt my GPA.

Professor Coss is an amazing artist and excellent professor. He's clear about what's expected and is quite approachable. Heard his wife passed away last quarter.

Coss is my favorite psych teacher. He talks about the most interesting topics, and he podcasts everything and posts lecture notes online. He even does inclass reviews before exams. His multiple choice tests are the only tests I have ever gotten a 100% on. Definitely one of the best, smartest, and helpful profs at Davis.

Great teacher. Talks about the most interesting subjects. Notes can be picked up at classical notes, podcasts are online, but going to class is worth it, because he is just that good. Test can be hard, but just study everything he gives you and you'll get an A. No textbook, assigns his own reader, which is optional.

He's really good at drawing, makes lecture more interesting. If you miss lecture he posts a podcast. When I took 101 with him I had 2 other professors with each one teaching 1/3rd of the class. Coss and Henry were probably easier than Owings.

Really sweet man. Subject was a little dense for me so it was difficult but managable. I really like his lectures he does everything with pictures.

Coss is a good guy. He bases the midterm and final curve (which are quite generous) on the various classes over the last 3-4 years. He gives you the option to take either a multiple choice or essay. I chose the multiple choice and got an A on the midterm. Pretty much all the reading is optional. He gives you notes for the course that you can study.

He is a very good illustrator! Even though his voice is a bit monotonous, he presents the information well and the subject matter is interesting. He posts lecture notes and podcasts online, which definitely helps for studying. I usually don't complain when a test is easy, but I really thought his test should have been more challenging.

It's easy enough to get an A if you come to class and just absorb the material. You don't even have to take notes since the lecture notes/drawings are all provided for you and a podcast is available if you miss a class. Yes, he does tend to drone on and give too many examples but you do get a thorough understanding of everything.

There wasn't a single lecture where I didn't fall asleep. His drawings are cool but they're kinda hard to follow.

Dr. Coss has a true passion for his subject, and is up-to-date in the material he is presenting. Use his classical notes & just absorb his lectures; he's very approachable! Exam podcast reveiws have all the answers-study these. No +/- grades though (curves are generous). Useful for the future!

At first I wasn't sure how to study even though I attended class everyday but I just listened to his review podcast, took good notes from it, and studied the classical notes he provided and got a 35/40. But you can also print out his drawings which are sort of like powerpoints and take good notes on there, and you'll do more than fine on his test!

Incredible professor, the lectures seem dull but you can tell he is passionate in what he is teaching. TAKE THE ESSAY FORM TEST! he explains the important concepts clearly the lecture before each test so make sure to attend and listen to the review podcast. Take him, he's really great!

The class is very interesting and I found myself very engaged, although sometimes I dosed off. His grading style is odd in that he does not give + or - grades, so if your a point away from an A, it sucks. He is approachable and I recommend taking him.

PSC 155 is an easy class if you attend all the lectures(just listen to the material, taking notes isnt necessary), also memorize EVERYTHING on his classical notes. I found the multiple choice exam to be fairly easy. Essay exam seemed really confusing. Listen to the review podcasts he gives.

Excellent professor. Straight forward class, study guide provided. Two test options: essay or MC. Test is fair, no trick questions. Go to class, do the reading, review the notes. This class is an easy A if you aren't lazy or stupid.

This class is a pretty easy A. I would advise skipping all the lectures, unless you're capable of staying awake. While he does make the concepts easily understandable, he tends to belabor them. To get an A, all you have to do is listen to the review podcast and read through the classical notes that he provides.

Go to the review, listen to that podcast, and you're golden! Coss is great in 155, maybe because of the material, taking 127 with him was kind of "eh".

I HIGHLY recommend taking the essay format only if you have been reading all of the classical notes, go over the lecture drawings & listen to the review podcasts. I wish I had taken the essay format for the midterm but I chose the multiple choice...a huge mistake because it was so tricky! Then I took the essay for the final and I aced it. =)

His lectures can be boring and he does go off on tangents, but he is very accessible and helpful. Most importantly, he is very knowledgeble about the subjects he teaches. And he does basically give you the answers to the exams in class and review session. His classical notes are also really helpful.

Professor Coss is very enthusiastic about his subject, but gives very difficult exams. In order to pass this class, you most definitely need to read and study the notes and drawings provided on smart site and attend the reviews. Attending the classes are also helpful, but in my opinion you're better off studying on your own.

Alot of the people do not give Coss his due credit. If you go to class, study his smartnotes, and go to his office hour, you should get an A. Don't be like one of those students that attend the first day and never attend after that except on exams and listen to the podcast. They won't help. Last piece- if you don't understand,just ask him or his TA

He is a really nice guy and he knows his stuff! However, he tries to freak you out about attending class. Don't buy the textbook. If you read the lecture notes (posted on Smartsite) before the midterm and the final you will do great. You get a chose between essay or MC style for your exams, go with the essay! The class is interesting and easy!