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WBedutech : robo-grading   23

Flawed Algorithms Are Grading Millions of Students’ Essays - VICE
E-rater tended to give students from mainland China lower scores for grammar and mechanics, when compared to the GRE test-taking population as a whole. But the engine gave them above-average scores for essay length and sophisticated word choice, which resulted in their essays receiving higher overall grades than those assigned by expert human graders. That combination of results, Williamson and the other researchers wrote, suggested many students from mainland China were using significant chunks of pre-memorized shell text.
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It is illegal under federal law to disclose students’ scores on the GRE and other tests without their written consent, so outside audits of systems like E-rater are nearly impossible.
robo-grading  ets  examinations  testing  impact  personalizedlearning  equity  privacy 
7 weeks ago by WBedutech

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