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Introduction

Analogous to traditional on-campus collegiate courses, online edX learners also have numerical grades associated with their interactions in edX courses.  Currently, learners are graded for their responses to problems in different assignments, such as homeworks, labs, and exams.  Assignments in the current edX platform are at the Subsection level of a course.  Whenever a learner submits an answer to a problem, an asynchronous task is launched to update the learner's grade of the containing Subsection and of the containing Course.

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