Testing

Regularly testing yourself will speed up learning. When you test yourself and answer incorrectly, you are more likely to recall the right answer after you look it up. You will also remember that you didn't remember.

Testing even beats out methods such as re-reading and reviewing notes when it comes to making sure your learning sticks.

Because it takes the recall process a step further. Recall shows how much of the material you remember. Testing shows you how well you can use what you've learned. Aft...

In order to avoid or break through illusions of competence, you should test yourself as you’re encountering new material. 

Recall is a simple example of this mini-testing.