Word: tfs
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...they face a challenge every semester trying to offer a variety of choices within each Core department while trying to enroll as many students as possible in the most popular classes. But that catch-22 of variety and high enrollment too often results in a fleet of pinch-hitting TFs teaching students who, painful as it may seem, would have been better off being lotteried out of the class...
...second charge made against the Dartmouth students is even more preposterous than the first. Asking a TF for help on a problem set should not constitute cheating. The very purpose of having TFs is to help students understand the material that they didn't understand in lecture. Despite their best efforts, professors occasionally give problems to students that are too difficult for the course, and TFs often have to fill in the gaps of knowledge required to solve these questions. If a TF gives more help to a student than the professor wants, the student should not be held responsible...
...TFs, including Bodell and Yeh, say the course's instructors stress throughout the semester that the system exists...
...Students copy from each other all the time," he says. "[But] other problem sets are handed in informally to TFs. There is no one program that goes through them, and it's not like one person or entity has the chance to compare assignments...
Since CS50 assignments are submitted as disks, it is easy for TFs to plug each one into a similarity comparison program...