For outstanding research on the meaning of progress in your work, take a look at "the progress principle" by Amabile and Kramer: http://www.amazon.com/gp/aw/

For outstanding research on the meaning of progress in your work, take a look at "the progress principle" by Amabile and Kramer: http://www.amazon.com/gp/aw/d/142219857X/ http://www.amazon.com/gp/aw/d/142219857X/ Gist: yes, progress is essential to feel good about your work.