Computers have been helping grade multiple choice tests such as the SATs and ACTs for decades. (No. 2 pencil, please.) But the task of reading through student essays has always gone to humans--until ...

EdX, the massive online education enterprise founded by Harvard and MIT, is about to make another big push in changing how we learn. It has to do with how instructors grade essays. You remember in ...

Here's a little pop quiz. Multiple-choice tests are useful because: A: They're cheap to score. B: They can be scored quickly. C: They score without human bias. D: All of the above. It would take a ...