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Food safety (or food hygiene) is used as a scientific method/discipline describing handling, preparation, and storage of food in ways that prevent foodborne illness. The occurrence of two or more cases of a similar illness resulting from the ingestion of a common food is known as a food-borne disease outbreak. [ 1 ]
A free course can be "upgraded" to the paid version of a course, which includes instructor's feedback and grades for the submitted assignments, and (if the student gets a passing grade) a certificate of completion. [57] [60] Other Coursera courses, projects, specializations, etc. cannot be audited—they are only available in paid versions ...
Foodborne illness usually arises from improper handling, preparation, or food storage. [citation needed] Good hygiene practices before, during, and after food preparation can reduce the chances of contracting an illness. There is a consensus in the public health community that regular hand-washing is one of the most effective defenses against ...
The time and effort required from participants may exceed what students are willing to commit to a free online course. Once the course is released, content will be reshaped and reinterpreted by the massive student body, making the course trajectory difficult for instructors to control. Participants must self-regulate and set their own goals.
For example, in edX's first MOOC—a circuits and electronics course—students built virtual circuits in an online lab. [25] edX offers certificates of successful completion and some courses are credit-eligible. Whether or not a college or university offers credit for an online course is within the sole discretion of the school.
Open Yale Courses is a project of Yale University to share full video and course materials from its undergraduate courses. Open Yale Courses provides free access to a selection of introductory courses, and uses a Creative Commons Attribution-Noncommercial- Share Alike license.