Do you think that an open-book exam is an exam that you don't have to study for? Don't fall for it!
An open-book exam is really a type of test that is designed to test your problem-solving skills. The questions on an open-book test can be much tougher than questions on a closed book exam because they'll require you to think about and evaluate information as opposed to remembering information you've read.
Why do teachers do this? Think about it: people in the working world use reference books all the time to answer questions or solve problems. They have manuals that they use constantly, where they can look up rules. information, or regulations that they haven't committed to memory.
That's what you're doing in an open-book exam! Ideally, you go into an exam with a lot of knowledge that you've gathered by reading the text and listening to the lectures. The open-book exam is just a tool to help you find facts or added information to support your answers. The point is: you really do have to study for an open-book exam. You just have to study a little differently.
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