this post was submitted on 15 Jan 2025
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[โ€“] pennomi 2 points 2 days ago (1 children)

The intent is to extract money from vulnerable young people, which is why they change the problem sets every year without changing the educational content.

[โ€“] spankmonkey 2 points 2 days ago* (last edited 2 days ago)

That is the intent of the publishers when they change frequently. If the teacher/professor gets a cut then they might share the same incentive to update regularly.

But at the core from a teaching perspective, the general reason for assigning books that might only have a portion used in class is because the teacher thinks the book as a whole will be helpful in understanding the content. Otherwise they would just recreate their own version of that chunk of information if they aren't getting a cut from sales.