Adaptive scoring of responses to constructed response questions
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United States of America Patent
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Feb 2, 2010
Grant Date -
Dec 15, 2005
app pub date -
May 21, 2004
filing date -
May 21, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
A method for adaptive scoring of responses to constructed response questions is disclosed. Adaptive scoring may be used to apply evaluator time in such a way that a predetermined reliability level is reached with the least possible use of evaluator time, including adjusting the number of response graded and/or the number of evaluators grading each response. A score may be calculated after grading a subset of a test taker's responses to the constructed response questions. A probability or an error estimate is calculated and compared to a threshold value. Grading may be discontinued based on the comparison. A score may be calculated based on a predetermined number of ratings for the test taker's response to a constructed response. A probability that the score is within a predetermined range of what the score would be if all the responses are graded is calculated. If the probability is less than a threshold value, the number of ratings is increased.
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