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"Evaluating a student's understanding of a topic is like taking a measurement. However, it requires measuring something that is difficult to see. It's not like I can stick a ruler into a student's brain to determine the size of their physics stuff. Now, most teachers use indirect means, usually a multiple-choice test or an exam in which students work through a problem. These are poor measures of student understanding. Someone could simply guess, or flub the answer through a silly mistake. So how can I accurately assess a student's understanding of physics? Until someone invents a way of reading a student's mind, I must do something else. I use a combination of written tests and video assessments."

"AS A PHYSICS professor, I have two jobs. The first, obviously, is to help students understand physics. That makes me something of a coach. But I want to talk about my second job: evaluating what students understand about physics. You might call this grading them. Evaluating a student's understanding of a topic is like taking a measurement. However, it requires measuring something that is difficult to see. It's not like I can stick a ruler into a student's brain to determine the size of their physics stuff. Now, most teachers use indirect means, usually a multiple-choice test or an exam in which students work through a problem. These are poor measures of student understanding. Someone could simply guess, or flub the answer through a silly mistake. So how can I accurately assess a student's understanding of physics? Until someone invents a way of reading a student's mind, I must do something else. I use a combination of written tests and video assessments."

"Many people come to us searching for the answer to the question, "What's the right way to learn?" First of all, we want to clarify: there is no right or wrong way to study. Still, we can list quite a few misconceptions regarding how the human brain works and what methods can help you memorize material. These are so widespread that it takes time and effort to recognize how unjustified and misguided they are. That's exactly how this article will help you. On this page, we've busted all the myths surrounding your learning abilities. Our team has collected all the popular misconceptions about studying and explored why they are inaccurate. Besides, we've provided some practical (and time-tested) study tips for you to try out."