effectively you must make mistakes and pay attention to those mistakes. let's look at a similar test. everyone was given a paper with some facts. group a studied the paper for four separate sessions. group b studied only once. but then was tested three times and shown their mistakes after each test. a week later, both groups were tested ask -- brought back and tested again. group b scored 50% higher than group a. and that means that they study one-fourth as much but learned far more. >> sivers is one of many education pioneers who learned through the work of nick ne zb roponte and others are learning the brain works and learns faster when it is presented with a partially completed problem, clear mission to finish it, and