Productivity is based on a ton of different factors. For example aptitude, experience, confidence in the task at hand, expected value, expected time frame, stat

Productivity is based on a ton of different factors. For example aptitude, experience, confidence in the task at hand, expected value, expected time frame, state of mind, peer pressure, "fitting in" (being surrounded by people who are working), belief systems about what you "should" do, role playing.