The text discusses an experiment with 500 Massachusetts boys, aged 5 to 13 years, many of whom seemed bound for delinquency. Half were randomly assigned to a 5-year treatment program. Thirty years later, when compared with the boys NOT assigned to the program, the boys who were assigned to the program were likely to have committed new offenses.

Why does c. wright mills identify critical thinking as one of the most important criteria for the development of intellectual craftsmanship? why is constantly being aware of the biased nature of your reactions and interactions (what c. wright mills calls self-reflexive) key to the development of that critical thinking? finally, why is keeping a file important, how can it lean to intellectual curiosity which can foster critical thinking and to develop a keen analytical mind?