Marginalium

The ‘marshmallow test’ has consistently failed the replication challenge. Even the author wasn’t sold on it.

“[Mischel] also didn’t think that any simple measure of individual differences was going to be very good at predicting behavior,” Benjamin continues. “Despite the popular perception that the marshmallow test is a crystal ball,” he clearly expected only to see only weak correlations with marshmallow test results in the latest study