In a computer-adaptive test, the computer screen displays one question at a time, which is chosen from a very large pool of questions categorized by content and difficulty. The first question is always of a medium difficulty, and each subsequent question is determined by your responses to all the previous questions. you are required to select one of these five as the correct answer by clicking on it. A subsequent question is displayed on the screen only after you have answered the previous question, so you cannot skip a question. You cannot also go back to a previously answered question to change your answer.
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