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 ...

Some schools, looking to cut costs, are intrigued by so-called robo-readers, computer programs that grade students' writing and offer feedback.... Computers Grade Essays Fast ... But Not Always Well ...

It would take a computer about a nano-second to mark "D" as the correct answer. That's easy. But now, machines are also grading students' essays. Computers are scoring long form answers on anything ...