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Bring back WOPR! 
"A strange game. The only winning move is not to play. How about a nice game of chess?"
"These people looked deep within my soul and assigned me a number based on the order in which I joined."
- Homer
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Good for the teacher!
Freedom is the freedom to say that two plus two make four. If that is granted, all else follows.
-- 6079 Smith W.
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I remember in a Robotics course, two students had used a so-called 3D Rotation Matrix as [1 1 1; 1 1 1; 1 1 1]. When asked by my Prof whether they had copied from each other, the vehemently said No. But when asked how could the use the same erroneous Rotation Matrix, they had to admit one copied from the other.
Learning: If you copy from someone, at least make sure the solution is correct.
Addendum: A proper 3D Rotation Matrix has to satisfy several properties including the one where the cross product of the first two columns should be the third column, and so on. Further the magnitude of each column should be 1.
modified 6-Feb-24 6:54am.
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I had the same thing marking OU assignments many years ago.
I had about 20 papers to mark and at one point thought I'd incorrectly put one in the wrong pile as I was sure I'd seen it before (it had a few unique errors that stood out). I also did my marking in the pub, but that's another story...
So, two almost identical papers. After being reported they claimed they didn't know each other, despite sitting beside each other at every tutorial. They were told there were 60 marks available for the joint paper and would they care to let us know how the wished the marks proportioned between them. They stuck to their story and got 30 marks each, along with a final warning.
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Good but the methodology is flawed because the question and answer were posted before the exam.
Someone may stumble upon that particular question and answer, not understand the reasoning and committing it to memory - sadly in Engineering I met a lot of students that studied old exams verbatim and managed to get passing votes because there are only so many questions you can ask in ever reducing exam durations.
GCS/GE d--(d) s-/+ a C+++ U+++ P-- L+@ E-- W+++ N+ o+ K- w+++ O? M-- V? PS+ PE Y+ PGP t+ 5? X R+++ tv-- b+(+++) DI+++ D++ G e++ h--- r+++ y+++* Weapons extension: ma- k++ F+2 X
The shortest horror story: On Error Resume Next
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den2k88 wrote: there are only so many questions you can ask in ever reducing exam durations.
In the exact subjects, just change the numbers a bit and you have a brand-new question.
Of course, then the instructor would have to solve the new question, rather than using the crib sheet handed down from previous instructors. That might cut into his/her/its research time. 
/s
Freedom is the freedom to say that two plus two make four. If that is granted, all else follows.
-- 6079 Smith W.
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Daniel Pfeffer wrote: In the exact subjects, just change the numbers a bit and you have a brand-new question.
Most of those students were clever enough to remember the steps to solve the problem and fix the numbers, but without understanding neither the problem nor why the solution was what it was. Sometimes they were grossly ![Elephant | [mastadon]](https://www.codeproject.com/script/Forums/Images/elephant.gif) ed because a single change in the parameters would completely change the category of problem, you caould smell something like that happening by the smile on the face of the professor when handing the exam papers.
Also copying from other students was discouraged giving alternating versions of the exam questions, in some cases up to 27 different versions so that every student was surrounded by 2 rows of different sheets, and during exams usually seats where spaced with an empty seat in all four directions.
Daniel Pfeffer wrote: Of course, then the instructor would have to solve the new question, rather than using the crib sheet handed down from previous instructors
I had a few idjits like that. Most of our exams were not multiple choice, but lazy professors would simply check the final number without bothering to actually examine the answer, and sometimes they failed in that too and had to be corrected by a horde of enraged students.
GCS/GE d--(d) s-/+ a C+++ U+++ P-- L+@ E-- W+++ N+ o+ K- w+++ O? M-- V? PS+ PE Y+ PGP t+ 5? X R+++ tv-- b+(+++) DI+++ D++ G e++ h--- r+++ y+++* Weapons extension: ma- k++ F+2 X
The shortest horror story: On Error Resume Next
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den2k88 wrote: Most of those students were clever enough to remember the steps to solve the problem and fix the numbers, but without understanding neither the problem nor why the solution was what it was.
IOW, they were like many of the "Send codez please" crowd in QA.
den2k88 wrote: Sometimes they were grossly [mastadon] ed because a single change in the parameters would completely change the category of problem
Again, like many of the people in QA.
den2k88 wrote: Also copying from other students was discouraged giving alternating versions of the exam questions
And yet, they still try to cheat. 
Freedom is the freedom to say that two plus two make four. If that is granted, all else follows.
-- 6079 Smith W.
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Me too, just work past papers until you can figure out the style of question and then waffle...
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Wait, people were allowed to go to the bathroom during the exam and used their phone from there?
Never mind the phone, back in my day, you weren't allowed to leave a 3-hour exam to go to the bathroom.
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Yeah but back in those days I could guarantee lasting three hours between pees. 
"I have no idea what I did, but I'm taking full credit for it." - ThisOldTony
"Common sense is so rare these days, it should be classified as a super power" - Random T-shirt
AntiTwitter: @DalekDave is now a follower!
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Same here. Good thing I'm not faced with taking a three-hour exam any time soon.
There are no solutions, only trade-offs. - Thomas Sowell
A day can really slip by when you're deliberately avoiding what you're supposed to do.
- Calvin (Bill Watterson, Calvin & Hobbes)
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These are highschool and college kids we're talking about. Not us old timers who have bladder control issues...
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For 3 hour plus exams we were allowed two drinks (sealed containers) and snacks (sealed containers) also there was mascots allowed on the desk (one student in Control Systems Engineering desk was buried by small bears(!))
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glennPattonWork3 wrote: mascots allowed on the desk
I suppose that's how things start. Why? Emotional support?
Watch people bringing in their pets now.
Scratch that. I'm certain it's already been done. I don't look to google it.
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In the old days they would have been called talismans. New language for old concepts.
I’ve given up trying to be calm. However, I am open to feeling slightly less agitated.
I’m begging you for the benefit of everyone, don’t be STUPID.
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In my day, I think you were allowed to use your own pen and, for appropriate exams, your own slide rule!
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I was about to say the same thing.
We we're allowed a bathroom break, but only one person at a time and no phones 
It seems this cheating could've been fixed a lot more easy...
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In the days before mine there were exams lasting 8 hours, they had measures in check to allow for the lunch break (2 hours, we ARE italians) and two bathroom breaks. Architecture still had them.
GCS/GE d--(d) s-/+ a C+++ U+++ P-- L+@ E-- W+++ N+ o+ K- w+++ O? M-- V? PS+ PE Y+ PGP t+ 5? X R+++ tv-- b+(+++) DI+++ D++ G e++ h--- r+++ y+++* Weapons extension: ma- k++ F+2 X
The shortest horror story: On Error Resume Next
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Ah, 14 potential future Harvard presidents.
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...and a Nobel Laureate or two I believe 
“That which can be asserted without evidence, can be dismissed without evidence.”
― Christopher Hitchens
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