Not so many years ago, scientists and theorists from the 20th century were dedicating a lot of time to figuring out what motivated people to work, and how to use that to create an effective, efficient, and profit creating environment. And within that context, our friend Chris Argyris developed many theories regarding how individuals' personalities affected their workplaces, and where they would do a better job. And today, we’ll use his most famous one to discuss the type of PPC that you’d like to hire for your company: the mature-immature continuum.