Some give ‘latent semantic analysis’ a failing grade


Your teachers' bleary-eyed nights of reading stacks of essays on "How I spent my summer vacation" might soon be over, thanks to an essay-grading software program.

Relying on a technology called "latent semantic analysis," the software program allows a computer to grade student essays. It soon might be available to schools, but many educators question whether evaluating essays, in which students must synthesize their knowledge

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