Why is it advisable for you to keep the habit of having a sketchpad handy?

In "thirty are better than one" 1963 by andy warhol describe to what degree this image depicts rhythm or pattern

The cash value of a work indicates the influence of art critics. the popular acceptance of the work. what a buyer will pay at a given time. the artistic value of a work

Criminology combines the theories and insights of a number of different disciplines as well as adding its own insight about crime and criminals. do you think this interdisciplinary approach is positive or negative for understanding crime? what benefits or disadvantages might it have for the field? what other discipline do you think has the most to offer for the understanding of crime and criminals?