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Colleges Stepping Up Anti-Cheating Technology

Bruce Schneier's blog highlights a New York Times piece on high-tech methods for detecting student cheating. Schneier notes, "The measures used to prevent cheating during tests remind me of casino security measures." "No gum is allowed during an exam: chewing could disguise a student's speaking into a hands-free cellphone to an accomplice outside. The 228 computers that students use are recessed into desk tops so that anyone trying to photograph the screen — using, say, a pen with a hidden camera, in order to help a friend who will take the test later — is easy to spot. Scratch paper is allowed — but it is stamped with the date and must be turned in later. When a proctor sees something suspicious, he records the student's real-time work at the computer and directs an overhead camera to zoom in, and both sets of images are burned onto a CD for evidence." The Times article quotes from research published a few months back suggesting that the more you copy homework, the lower your grades.

32 of 439 comments (clear)

  1. Hmmm ... by WrongSizeGlass · · Score: 3, Funny

    So these schools are buying solutions to their problem of students cheating rather than figuring it out themselves? Isn't that what they're trying to prevent? /sarcasm

    1. Re:Hmmm ... by Monkeedude1212 · · Score: 3, Interesting

      I went to a Polytechnic, so it was really difficult to cheat, in that most of our grade was made up of group projects and VERY-hands-on timed exams. First year, finals consisted of being given 1 regular Linksys Router, 2 desktops (1 with a fully configured running Windows machine), cabling tools and supplies, a port to the internet, and 2 discs, one of WinServ2K3 and the other was Fedora Core 4, and an HP Printer.

      The end result was to have the Windows computer host a virtual server through VMware running the Windows 2003 Server, which had to host active Directoy and a print server, and act as a router for traffic on a specified Class C subdomain. The Linksys router had to act as a router for a Class B subdomain, which the Fedora Desktop had to be on. The end result was that both the host Windows machine and the fedora machine had to be able to print a document. The internet port was for general debugging purposes, though they had blocked every site except the Polytechnic Campuses website (so no Googling!).

      You had the whole day (8 hours), If you got it done in the first 4 hours, you guaranteed passed, any longer and the teacher would gauge your progress and how you have things set up. It was the most intimidating test I've ever taken, though I passed - the only way you could cheat really is if you watched someone else and managed to follow them step by step, but then you might run the risk of making the same mistakes they did (and there were mistakes made by just about everyone. I remember getting stuck on having my Fedora Box access the webs properly, linux was not my strong suit*.)

      And really, you can't cheat in making a cable, plain and simple - either you know how to do it or you don't. You can't exactly pick up another students cable and look at their colouring scheme without getting noticed. All in all, I think all tests should be done in a hands-on way. We had the benefit of a small class size (maybe 20 students) so I can understand it being impractical for those big 100 people lectures at the university, but really its the best way to cut out cheating. Also, for an arts degree, I wouldn't even know where to start. All they ever do is write endless essays.

      Anyways - I got a little side tracked there.

      Our Prof - whom was nicknamed Lord of the Strings because he was a bit short and chubby like a hobbit, was commissioned by the Dean of the local university (why they didn't use their own IT/IS/CS department I don't know) to write an application that went through the internet and compared papers to help catch plagiarizing. He even showed us the code, which was quite impressive - almost overwhelming when you are first starting in programming.

      You enter in the topic of the paper.
      It went through the top lists of essay sites (which you could add or remove sites), and the first 2 pages worth of Google results for the words involved in the topic.
      Then it went through a statistical analysis on how similar some papers were. It could easily detect word for word copying, but he also had it set up to detect whether 1 or 2 words in a sentence were changed, and/or if the structure was simply reworked a little. At the end, it would give you a percentage on how much of the paper looked like it was just taken from online. It was then up to the prof to determine if that percentage was high enough to warrant further investigation. It also generated a report based on what sites it found the correlation.

      I guess what I'm eventually trying to say is...

      Who cheats anymore? You're almost guaranteed to get caught.

    2. Re:Hmmm ... by commodore64_love · · Score: 4, Interesting

      It's okay for colleges to copy so long as they pay the money upfront. ;-)

      "the more you copy homework, the lower your grades." - I disagree. If the homework is worth 10% of your grade, then it's better to copy rather than run out of time and never turn it in (a zero). I recall in my engineering classes most of us copied, not because we wanted to, but because the profs so overloaded us with homework that it was impossible to get it all finished.

      It was ridiculous - about 10 hours of homework/week for a 3 or 4 credit class. Typical 18 credit load is 50 hours just on homework. Plus 18 hours for the lectures. Plus 10-20 hours on labwork. == 80-90 hours per week!

      Hmmm... on second thought maybe they were trying to prepare us for the Real World Suck of 60-70 hour weeks.

      --
      "I disapprove of what you say, but I will defend to the death your right to say it." - historian Evelyn Beatrice Hall
    3. Re:Hmmm ... by Monkeedude1212 · · Score: 4, Interesting

      on second thought maybe they were trying to prepare us for the Real World Suck of 60-70 hour weeks.

      That was actually part of our orientation. They drew a graph for us. It went like this:

      This line here represents how hard the average worker works in the field.

      The first year, you'll be working about this hard: Half of what the average worked works at. Just introducing you to all the concepts, learning, seeing if you enjoy it, that kind of stuff. We don't want to scare anyone off in the first year basically.

      Second year, you'll be right on par with the working force. Expect your classes to be a little less than working a job but homework will make up for it.

      Third year, you'll be at about 1.5 times the average work load. This is so that when you get out of school, you are more than equipped to work in a variety of fields, and be an expert in each one. We pride ourselves on our graduate employment rate, we have to keep this high.

      Fourth year, You'll be at 2 times the average work load. This is so that when your boss comes down Friday at 4:55 pm and says "Holy Gosh Darn Crap, the server room has smoke coming out of it" you can go "No problem chief, I'll have it up before anyone is in on Monday, I better get that raise I asked for".

    4. Re:Hmmm ... by dgatwood · · Score: 4, Interesting

      Fourth year, You'll be at 2 times the average work load. This is so that when your boss comes down Friday at 4:55 pm and says "Holy Gosh Darn Crap, the server room has smoke coming out of it" you can go "No problem chief, I'll have it up before anyone is in on Monday, I better get that raise I asked for".

      Sounds like your college is run by people with no significant grasp of reality. Yes, bosses occasionally ask you to pull all-nighters or all-weekenders, but that happens occasionally. If it's happening continuously, then that's a sign that this is a job for first-year college grads that they don't expect you to actually stay in for very long before moving on to a real job. Either that or the company is in a death spiral. Either way, you don't want to stay there.

      For a school to pull that on a continuous basis isn't preparing you for the real world. It's preparing you to go postal and shoot up the campus. Just saying. An 80 hour week is simply unsustainable for more than about two or three weeks at a time, whether you're talking about a workplace or a college. You're going to spend, at minimum:

      • 1 hour per day traveling between classes, etc.
      • 2 hours per day eating.
      • 45 minutes per day on personal hygiene.
      • 8 hours per day sleeping.
      • half an hour per day waking up.
      • half an hour per day going to sleep.

      That's 12 hours and 45 minutes, which leaves 11 hours, 15 minutes MAXIMUM that you can usefully use. An 80 hour week requires 11 hours, 26 minutes on average per day. So it simply can't be done without cutting into something that's actually critical for your health and well being, and that's if you don't take a single minute to just relax and enjoy life, don't attend any sort of religious institution, aren't in any fraternity or sorority, don't get any actual exercise beyond walking to/from class, etc. In short it's very unhealthy.

      Over long periods of time, such insane levels of work lead to serious mental health problems. If your school is truly working you 80 hours per week, you should contact a mental health professional and have them do a study on your school's population. I suspect you'll find higher than normal rates of anger management problems, severe inability to concentrate due to sleep deprivation, and a significantly elevated rate of depression and suicidal thoughts. It simply is not healthy to work people that hard over an extended period of time. It's so unhealthy that nearly every civilized country in the world (except the U.S.) has laws limiting work hours to significantly less than that.

      And it's not just unhealthy in the short term. College is a critical time in people's lives for creating new social relationships. For most people, their first thirteen years of education was spent with mostly the same people. College is the first time that they break away from that, and it is critical that they have sufficient time during all four years to get used to making new friends quickly. It's going to happen when they move from job to job later in life, and if they aren't prepared to handle that, it can be socially damaging, even devastating. When you lose a job, your whole social network goes away. Preparing students for that is at least as important as any academic information that they can impart---maybe even more important. The social learning will still be useful in twenty years, long after any detailed technical knowledge has become dated and stale.

      Also a substantial percentage of marriages occur because of people meeting in college. With an 80-hour instruction week, such socialization becomes nonexistent, leading to even further elevated rates of depression in graduates down the road. The lack of adequate time to socialize also results in those graduates having a hard time with social interaction after they graduate simply due to not having socialized much for four years. This further exacerbates the problem.

      Finally, such

      --

      Check out my sci-fi/humor trilogy at PatriotsBooks.

    5. Re:Hmmm ... by Missing.Matter · · Score: 5, Informative
      I can't speak to your experience but the homework in my upper level physics courses was crucial to understanding the material. Basically the assumption was if we could do the homework, we could do the exams, which I found was the case for the most part.

      The exams themselves also tended to be modified homework problems; although not exact, they would require the same thought and techniques the homework did.

  2. It's not cheating! by AnonymousClown · · Score: 4, Funny

    It's being a 'team player'.

    --
    RIP America

    July 4, 1776 - September 11, 2001

  3. Re:I say let them cheat by IndustrialComplex · · Score: 5, Insightful

    Go ahead, let them cheat. They'll be paying for it once they get a job based on their "degree" and suddenly realize they don't know fuckall about what they're doing.

    And the company goes: "Well I'm not hiring anyone from THAT university again".

    The schools do have an incentive to curtail cheating.

    --
    Out of modpoints but really liked a post? 1BDkF6TtmmeZ3yqXbz9yhdYVqRYnwFoXDj
  4. Why would Bruce Schneier worry about this? by jeffmeden · · Score: 4, Funny

    Bruce Schneier already knows Alice AND Bob's secret; all he has to do to detect cheating is eye a test taker until their lies burst into flames. Nothing hides from Bruce Schneier... Nothing.

  5. Re:I say let them cheat by grepya · · Score: 3, Funny

    Go ahead, let them cheat. They'll be paying for it once they get a job based on their "degree" and suddenly realize they don't know fuckall about what they're doing.

    From TFA:
    “Copying homework is a leading indicator of becoming a business major,”

          I leave the punchlines to the public....

  6. I guess I'm old fashioned by jfoobaz · · Score: 4, Insightful

    I think of the purpose of education as getting an education. If you don't ever learn the material well enough to pass exams on your own, it's kind of a waste of time.

    And, yeah, I get that people work for grades and the piece of paper at the end of the whole thing, but if you didn't actually learn anything apart from how to cheat well, you missed the whole point. Though you probably stand to have a lucrative career in international finance.

  7. Re:Surprising! by djconrad · · Score: 5, Insightful

    "The more you copy homework, the lower your grades."

    No shit, Sherlock! Does that mean that if I don't think by myself I will not really learn? Wow! Who would guess that!

    Certainly not my undergraduates.

  8. Re:I say let them cheat by Monchanger · · Score: 4, Insightful

    Unfortunately business majors are usually the ones doing the hiring.

  9. Retarded by sexconker · · Score: 5, Insightful

    They'll never stop people from cheating. They'll catch a few idiots and an equal number of innocent people. They'll raise the tension so much for the average student that they'll have to double their suicide watch programs during finals week. They'll still have a bunch of students who get away with it. Most importantly, they'll be so confident in their success that they'll do what academia does best - pat themselves on the back for wasting money while being completely oblivious to those who are outsmarting them.

    Tests and anti-cheating measures are the lazy way to go about "education". But what do you expect when the most egregious cheaters, plagiarizers, and bullshitters are the professors themselves?

    Write your own lectures.
    Write your own tests and assignments.
    Change them every year.
    Change them if you have multiple testing sessions.
    Don't copy them from the campus where your other professor friend works.
    Don't pull shit out of the book you wrote for the class and made students buy.
    Don't make students buy the book of your cohort^h^h^h^h^h^h colleague on another campus and have him reciprocate the favor, only for both of you to teach to your opinions and not what's in the assigned material.
    Get TAs that speak English.
    Speak English.
    Respond to emails.
    Update your website.
    Post notes and assignments when you say you will.
    Hold more than 1 office hour per week. Understand the material yourself.
    Etc.

    1. Re:Retarded by boristdog · · Score: 3, Funny

      Listen, If you're going to make sense and ask people to do their jobs properly, I'm going to have to ask you to leave /.

      And the Internet in general.

    2. Re:Retarded by MikeBabcock · · Score: 3, Insightful

      I still remember my highschool physics teacher. He took almost exactly the problems we'd dealt with in class, but added irrelevant data to the problem. If you had memorized the forumlae but didn't understand the concepts, you probably wouldn't do so well. If you understood the material, the irrelevant values and facts stood out.

      That and when he started the exam he pointed out he'd written it himself (doing the answers) with full work in about 2h50, and we had 3h to complete it. Only if you knew the material as well as he did would you get a perfect grade.

      I despise easy grades -- they're meaningless.

      --
      - Michael T. Babcock (Yes, I blog)
  10. Do they really think it's cheating? by DerekLyons · · Score: 5, Interesting

    My brother in law, an economics professor, recently had to grade a paper from the freshman class he was teaching. He found that virtually every paper had the same ideas in the same sequence, and frequently the exact same wording (I.E. cut-and-paste). Even more interesting, and disturbing, he found that by comparing the texts they could be roughly grouped by the race of the student.

    His theory is that the current generation is so used to forwarding, re-tweeting, re-blogging, and re-posting that they literally don't see it as cheating.

    1. Re:Do they really think it's cheating? by tixxit · · Score: 3, Insightful

      What is cheating though? Copying answers verbatim is cheating, yes. But my friend got caught "cheating" on an assignment. Really, her and her friend did the assignment together (ie. they worked out some of the problems together, rather than copying answers - they shared a dorm after all). Even I had a hard time believing that that was cheating. I've learned a great deal from friends in the same program as I. Similarly, I've learned many things by being the one doing the explaining, since it helps me organize my thoughts better and really think things through.

  11. Re:I say let them cheat by Anonymous Coward · · Score: 5, Insightful

    Schools also have an ethical responsibility to ensure that graduates actually have the skills/knowledge that the degree implies.

  12. Re:I say let them cheat by ChromaticDragon · · Score: 5, Insightful

    Earlier in my career I had great disdain for an aspect of my company's culture that seemed to venerate degreed folk simply because of the degree denying or holding back promotions of clear subject matter experts simply because they did not have the degree usually appropriate for that level. True to form, I was promoted immediately after getting my Masters. Nonetheless, I really did believe most of what we did could be trained "on the fly".

    Then something changed.

    I had the opportunity to mentor someone who hadn't yet finished a Bachelors degree.

    I showered them with documentation, with web-based training, with tutorials and direct training. It didn't help. Others may have done well. This individual couldn't, on their own, complete the most basic assignments and froze instead of using many avenues to overcome problems or misunderstandings.

    It's not a matter of what you learned to get your degree. It's that you learned how to learn. Completing a degree demonstrates your ability to complete a long-term project presumably with all the initiative, time-management and general project planning that entails.

    Cheating your way through short-cuts all of that.

  13. Re:It's better to have students that don't cheat by Adrian+Lopez · · Score: 3, Insightful

    At my university, in scenic New Jersey, we had an Honor Code that we had to sign after every exam; saying that I didn't cheat. I felt proud signing that, and believe that most of the other students felt the same.

    I think I would be offended at having to affirm that I am not a cheater. Cheaters, on the other hand, wouldn't care.

    --
    "In prison you just have to shut your eyes and take it. Here you have to shut your eyes and give it."
  14. Why not do peer review? by Rogerborg · · Score: 5, Insightful

    Get each class to test and grade each other.

    The theory will be they are best placed to honestly appraise the quality of each others' work, and to catch cheating. The practice will be that slutty chicks, trust fundies, jocks and backstabbing weasels will buy, bully or scam the highest relative grades at the expense of the plain, the poor, the timid and the trusting.

    And that, class, is how you prepare yourself for surviving the next half-century climbing the greasy pole at AnyCorp Inc. You can't teach lessons like that.

    --
    If you were blocking sigs, you wouldn't have to read this.
    1. Re:Why not do peer review? by Reziac · · Score: 4, Informative
      Which probably explains this, from TFA:

      "...subsequent analyses turned up an interesting trend: Copying homework is a leading indicator of becoming a business major..."

      --
      ~REZ~ #43301. Who'd fake being me anyway?
  15. cultural differences by Lord+Ender · · Score: 5, Interesting

    I suspect there are serious cultural differences regarding cheating. For example: at my university, the Indian comp-sci students all knew each other and held regular "study sessions." I was once invited to one. I was amazed to observe that it was simply a highly-organized cheating exercise. These guys had graded homework assignments and exams from all classes, and they passed them around, casually copying solutions verbatim to their homework assignments and recording exam answers. They begged me for all of my exams and homework assignments from current and previous tests so that they could add them to their collection. And they didn't see anything wrong with this.

    What I found particularly amusing was how amazed they were at my abilities at coming up with solutions when we had non-trivial group projects. "How did you know that would work?" they would ask. I had to try hard to avoid saying "I don't cheat so I have to actually understand the material to pass the classes."

    --
    A slashdotter who didn't build his own computer is like a Jedi who didn't build his own lightsaber.
  16. Best way to stop cheat sheets... by MadAnalyst · · Score: 5, Insightful

    When I taught, we had a fool proof way to stop illegal cheat sheets. Just let the students bring a cheat sheet. Of course, that made the exams a bit harder. They ended up being less regurgitation and more about comprehension. And proctoring became much easier, fewer things to look for (more time spent scanning for cell phones in use).

    1. Re:Best way to stop cheat sheets... by somaTh · · Score: 5, Informative

      Going through college, I had classes like this. The hardest tests were open book, open note, bring your calculator tests. God help you if it was take home.

      --
      Nostalgia isn't what it used to be.
  17. Technology to solve a social problem by line-bundle · · Score: 3, Insightful

    will never work.

    Humans are ingenious.

  18. When I was a T/A by EmagGeek · · Score: 3, Interesting

    I taught a circuits lab class when I was in grad school. I eliminated cheating quite easily. I generated an individual test for each student with the exact same problems but different values for the components. I also randomized the order of the questions and used different color paper to create more confusion. For example, I'd hand out 1/4 of the test each in 4 different colors, with no two adjacent students having the same color - to discourage the thought of cheating in the first place.

    I'll never forget, though, the time that two students in different sections turned in lab writeups with the exact same measurement data - out to 5 decimal places (because that's what the Keithley meters were set to display).

  19. Re:I say let them cheat by Anonymous Coward · · Score: 5, Insightful

    What the fuck sort of citation do you want?

    How about Socrates? He once caught a student cheating. Do you know what he did? He beat the student's scrotum with a piece of wood, then expelled the student.

    What about Sir Francis Bacon, while he was a professor at Oxford? There are stories of him catching a group of students cheating. Do you know what he did? He told the king, and the king had the students hanged.

    What about Dr. Oppenheimer? When he caught students cheating, he wept.

    Clearly, cheating is as unacceptable as it gets in academia. It's not tolerated, because it harms the very soul of what makes academia so important and valuable.

  20. I've noticed something related to that by Sycraft-fu · · Score: 5, Interesting

    We have a lot of foreign grad students, Indian and Chinese in particular. Well something I notice especially with the Chinese students but the Indian ones to an extent as well is the idea that all knowledge is something that someone already has. If you do not know the answer to a problem, the correct course of action is to seek out the person or book that does. Everything is already known, you just have to find who knows it. The idea of problem solving is one they don't grasp.

    So their computer will break (that's what we do, we are the systems and network support) and they'll come and ask us about it. They get vexed when we say "I don't know what is wrong," they often look at you like you are an idiot, and why don't you go find the person who does?

    I remember one time when a lab lost network connection so I was heading down there and he says "Why is the network down?" I said "I'm not sure," that got me a very quizzical look. So we got there and I said "Where's the switch, let's reboot that first," he said "Will that fix the problem?" I said "I don't know." He didn't seem to want to do it, since why bother if it wouldn't fix the problem? I found the switch, rebooted it, and the problem was solved. This was a totally mysterious process to the guy. How the hell could someone who didn't know what the problem was solve it without asking someone who did?

    There does seem to be a cultural difference with this, and I think it comes down to the education system. My mom went to teach English in China for about half a year (she used to be a teacher in the US) and said that their version of teaching English was route memorization. Students were presented with a couple hundred phrases per night they were expected to memorize. That was it. Needless to say, that works for shit. The Chinese government realizes it doesn't work very well, which is why they bring in US English teachers, but it is fighting against a cultural attitude of eduction through memorization. Mom said the teachers were very skeptical of her methods (which did not include memorization).

    1. Re:I've noticed something related to that by Subm · · Score: 3, Funny

      their version of teaching English was route memorization

      Naturally they have to memorize routes because China could block Google maps at any time.

  21. Re:I say let them cheat by mhajicek · · Score: 3, Insightful

    I had the opportunity to mentor someone who hadn't yet finished a Bachelors degree.

    That's a rather small sample size with which to shift your paradigm.