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 My astro 101 exam is all done for tomorrow.  Things I incorporated to try to make it difficult to cheat on (not impossible, it's always possible to cheat):
-super short time limit, but open book/notes
-they have to answer each question before going on to the next, no skipping around
-questions are as specific as possible to my lectures
-anything with a written component is worded in a way that (I think) will be hard to immediately google, and hopefully will also be hard for chatGPT to answer. 
 Oh also: each student gets the questions in a different random order, so they can't work through it together.

Anyway, I'm sure some will still cheat.  But I've done my part to make that as difficult as possible, hopefully without causing problems for the students who are actually trying to learn stuff. 
 @e38e83a6 

> -they have to answer each question before going on to the next, no skipping around

FWIW, this is likely to be difficult for some students, since it's so much harder to know when to move on from a hard question without knowing how it compares to the other ones. On the other hand, though, I don't know how test-taking strategies have evolved since the pandemic, so maybe it will be less of an issue for modern students.