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2011 Double Decathlon — LMI October Puzzle Test — 15th and 16th October62 posts • Page 3 of 3 • 1 2 3
What is your opinion of Instant Grading compared to other grading systems used here at LMI?
Please provide your specific feedback / suggestion about the grading system and/or the penalty system in the forum.
Instant Grading is a good system. Please use it again on other tests, with no changes.30 Votes - [76.92%]
Instant Grading is an okay system. Consider using it again, possibly with some changes or different penalty values.7 Votes - [17.95%]
Instant Grading is a bad system. Return to the more traditional format on future tests.2 Votes - [5.13%]
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@ 2011-10-20 3:01 AM (#5825 - in reply to #5749) (#5825) Top


Posts: 18

Country : United States

spelvin posted @ 2011-10-20 3:01 AM

My reaction to Instant Grading: It made the test more fun. In the sense that, any time I do an online puzzle competition (especially the USPC), I worry about whether I have typos. Should I double-check this string as I'm typing it in? If I already double-checked it, should I check again at the end? I don't really feel comfortable about anything I submit until it's officially confirmed, which usually happens later. With this competition, once I saw a green number I didn't have to worry about that puzzle ever again, which made the whole experience much less nerve-wracking and more enjoyable.

I also didn't have any incorrect submissions, so I didn't have the experience of making a solving error and being granted the chance to correct it. I can see why some top solvers think that breaks the purity of the experience, but I have to ask, should competitors' scores be more defined by what we solve or what mistakes we make? In the same sense, as a math teacher, when I construct exams, I am often torn about whether to write "trap" questions that deal with exceptional situations where rules work differently, or more straightforward questions. In one sense, the traps are important because I need to assess whether my students can handle those situations, but they also feel like I'm trying to trip up my students rather than educate them. In the same spirit, should puzzle competitions be built around deceptive paths designed to defeat the unlucky saps that fall for them, or around who can most quickly reach the correct answers?

There's a lot of unnecessary philosophy in the above paragraph, but the main thrust is that for me, this system lets solvers worry less about logistics and more about puzzle-solving, and that is a huge plus from my perspective.
@ 2011-10-24 4:00 AM (#5830 - in reply to #5822) (#5830) Top


Posts: 30
Country : Canada

figonometry posted @ 2011-10-24 4:00 AM

motris - 2011-10-17 3:38 PMOne common error is transposition in a sudoku. I got one entry I remember like XXXXXXX12 and YYYYYYY12 where the correct answer has XXXXXXX21 at the top. This could have been either a puzzle error or a typo error, but it is certainly a small/quick fix error.
That was me. That was a puzzle error. I always do that for some reason, usually with ones and twos.
2011 Double Decathlon — LMI October Puzzle Test — 15th and 16th October62 posts • Page 3 of 3 • 1 2 3
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