I'm one of those people who just reads the book, then turns up for the exam. The others hate me!
I didn't realise most people have to actually study to learn a subject...
Following a lecture is quite hard for me, what with the general background noise (I wish people who didn't want to listen would just leave!) I often miss part of the spoken information, so am generally dependant on the printout (not everyone puts them up before the lecture - really annoying!) and then reading the textbook cover to cover. I don't see the background reading for most of my subjects as work, so that probably helps. For the practicals, I often have to go back and ask my supervisor for further explaination, as if they just give me verbal instructions I tend to forget bits or miss bits out, but if I have full, written directions, or it's something that I'm used to or tutor others on, then I'm fine...
As for taking notes in class, my handwriting is atrocious, my lab book looks like it has been run over by a truck, and even my printed notes are covered in additional scrawls where I have found relevent info. and added it.
My notes are a combination of words and diagrams, arrows everywhere and stuff underlined several times or written in different colours.
Maybe it's because I'm studying an unusual subject, but I often find it easier to just go away and read the book or journal than to ask someone about the subject (with some notable exceptions). If I've seen it written down, I'm liable to remember it.
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The optimist says the glass is half full.
The pessimist says the glass is half empty.
I just want to know who drank the water...