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View Diary: A 5th grader says No to NCLB. (210 comments)

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  •  ...Oh my. (5+ / 0-)

    As a PhD candidate researching computational linguistics, I would love to see the source code for the software that they use to score the writing exams.

    If it's purely keyword-based, they might be getting some serious false negatives, because they didn't think to even include all variations and synonyms of the keywords!

    •  That would be a dumb way to do it (1+ / 0-)
      Recommended by:
      codeman38

      A far better way would be to just feed hundreds of thousands of questions and answers into a neural net and train it with how the total human scorer population actually scored those tests. Then the neural net would score the tests at close to the average human score. That actually sounds like a great PhD project, and probably very profitable as well!

      (-5.50,-6.67): Left Libertarian
      Leadership doesn't mean taking a straw poll and then just throwing up your hands. -Jyrinx

      by Sparhawk on Tue Mar 08, 2011 at 09:14:29 AM PST

      [ Parent ]

      •  Yeah, keyword matching is bad in general. (1+ / 0-)
        Recommended by:
        Sparhawk

        And I agree, some sort of machine-learning-based analysis would work far better.

        I was just assuming that the writers of this test-grading software would try to take the easiest and cheapest way out possible. :-)

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