Studying affects grades, maybe

ToddStinebricknerDoes studying affect grades? Ralph and Todd Stinebrickner published what they say is the first persuasive evidence that it does. In their words, there is a “causal effect of studying on grade performance”….

People assume blithely that studying affects grades. The Stinebrickners say that there was never any real proof. They tell how others had sought – and failed – to find some…. “Our key finding,” they write, “is that whether a student’s roommate brings a video game to school has a strong causal effect on the student’s grade performance”….

So begins this week’s Improbable Research column in The Guardian.