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Add a randomly generated number to a latex document to discourage cheating on an exam

1

I am trying to cut down on a particular kind of cheating during my in-class exams. What some students are doing is taking pictures of the exam (while I am looking somewhere else), and uploading them to Chegg. Then, looking back later at the solutions posted by "tutors". I've cut down on this in a variety of ways, but it still occurs.

I use LaTeX to generate the exams. I would like to embed a unique number into every LaTeX document so that if someone takes a picture of it, I will be able to associate that number with a particular person (by looking at their exam when the turn it in).

The way I envision this is a simple tag in the LaTeX code, like

randomnumber{seed}

which I can compile with

latex doc.tex -option=seed

I would then write a script to do this for like 100 exams, just a loop

for i=0,n

latex doc-i.tex option=seed+i

(or something).

Anyone have a method for doing this? Or a better way to achieve what I want?

compiling exam random-numbers

share|improve this question

asked 11 mins ago

levitopherlevitopher

1256

add a comment | 

1

I am trying to cut down on a particular kind of cheating during my in-class exams. What some students are doing is taking pictures of the exam (while I am looking somewhere else), and uploading them to Chegg. Then, looking back later at the solutions posted by "tutors". I've cut down on this in a variety of ways, but it still occurs.

I use LaTeX to generate the exams. I would like to embed a unique number into every LaTeX document so that if someone takes a picture of it, I will be able to associate that number with a particular person (by looking at their exam when the turn it in).

The way I envision this is a simple tag in the LaTeX code, like

randomnumber{seed}

which I can compile with

latex doc.tex -option=seed

I would then write a script to do this for like 100 exams, just a loop

for i=0,n

latex doc-i.tex option=seed+i

(or something).

Anyone have a method for doing this? Or a better way to achieve what I want?

compiling exam random-numbers

share|improve this question

asked 11 mins ago

levitopherlevitopher

1256

add a comment | 

I am trying to cut down on a particular kind of cheating during my in-class exams. What some students are doing is taking pictures of the exam (while I am looking somewhere else), and uploading them to Chegg. Then, looking back later at the solutions posted by "tutors". I've cut down on this in a variety of ways, but it still occurs.

I use LaTeX to generate the exams. I would like to embed a unique number into every LaTeX document so that if someone takes a picture of it, I will be able to associate that number with a particular person (by looking at their exam when the turn it in).

The way I envision this is a simple tag in the LaTeX code, like

randomnumber{seed}

which I can compile with

latex doc.tex -option=seed

I would then write a script to do this for like 100 exams, just a loop

for i=0,n

latex doc-i.tex option=seed+i

(or something).

Anyone have a method for doing this? Or a better way to achieve what I want?

compiling exam random-numbers

share|improve this question

asked 11 mins ago

levitopherlevitopher

1256

randomnumber{seed}

latex doc.tex -option=seed

for i=0,n

latex doc-i.tex option=seed+i

share|improve this question

asked 11 mins ago

levitopherlevitopher

1256

share|improve this question

asked 11 mins ago

levitopherlevitopher

1256

asked 11 mins ago

levitopherlevitopher

1256

asked 11 mins ago

levitopherlevitopher

1256