Moca test score bell curve3/28/2024 While we do make every effort to make sure modules are designed with clear learning outcomes, and professors are responsible to ensure their exams are pitched at the right level, grade moderation will prevent grade inflation or deflation, and helps to achieve consistency in assessment grading across modules.Īt the end of the semester, a student is awarded a grade (and not specific marks) for each course taken. One important reason for grade moderation is that examiners come from diverse academic backgrounds and may be accustomed to different marking regimes. Higher-level modules with small enrolments typically grade a student based on his absolute performance larger lower-level modules take into account a student’s performance vis-à-vis the other students in the same module. Where necessary, the final grade which a student receives for a module may be subject to moderation. Grading may be based on absolute performance, relative performance, or a combination of the two. Module requirements may encompass different modes of assessment such as tutorial presentations, laboratory reports, projects, essays, as well as mid-term and final examinations. And because of the need for differentiation, many institutions from North America to Asia, use the bell curve as a mechanism to moderate marks. Most if not all major universities have variants of degree classes or GPA scores. Set it too easy, and many will score very high grades, and the resulting scores are hardly differentiated.ĭifferentiation is necessary for CAP purposes, and for Honours classification, and these are here to stay for the foreseeable future. Setting such an exam is, by no means, easy. ![]() Likewise, if I set exams targeted at the average competency of a group of students, and if the class is large enough, the exam scores are likely to follow a normal distribution curve. ![]() The weights of NUS students probably follow a normal distribution too. ![]() The normal distribution is the most prominent probability distribution, because many large sets of data are approximately normally distributed.įor example, the heights of all students in NUS are likely to be normally distributed. In probability theory, the normal distribution is a continuous probability distribution that has a bell-shaped probability density function, known as the Gaussian function, or informally, the bell curve. However, I hope that no one is feeling haunted by the bell curve. Superstitions aside, students correctly know that the bell curve does affect them in some way or other. I chuckled when I read this article: Desperate undergrads pray to ‘bell curve god’
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