Starch, D., Stanton, H. M., & Koerth, W. (1936). Learning and habits of study. In D. Starch, H. M. Stanton, & W. Koerth, Controlling human behavior: A first book in psychology for college students (pp. 88-116). New York, NY, US: MacMillan Co.
http://dx.doi.org/10.1037/10982-005
The process of learning goes on during any and all of our active contacts with our environment whenever some modification takes place in our behavior based on previous behavior. Learning is change. It is reaction. It is adjustment. We shall not assume that all learning leads to improvement; we shall consider learning as modifying behavior rather than only improving behavior. The control of study automatically results in efficient learning. If you wish to develop serviceable study habits, you should control your psychological equipment, environmental conditions, and methods of study. (PsycINFO Database Record (c) 2016 APA, all rights reserved)