Students often sit in class before an exam looking exhausted from having pulled an all-night studying session. Their professors are often frustrated because they’ve suggested spreading the studying out over longer periods of time instead of using a massed-practice approach. The effectiveness of distributed practice has been supported by repeated research studies. This reminds us of the importance of .

Suppose you are a freshmen in college and you have not declared a major. one reason you enrolled at your respective college was the school's vibrant social life. at the same time, you want to balance your academic life because you know that your grades will matter for graduate school or job applications.you decide to forgo partying for two hours to study for an upcoming economics exam. in your first semester's principles of economics class, you learn that the enjoyment you would have received from partying is an example of a(n)