QActive recall (self test) dont review.
Practice practice practice - if it is hard we are learning.

Feedback loops - analyse results and change routines accordingly.
Good feedback tells you what to do.
Internal feedback : record ourselves.
External feedback : someone else reviews

Keep it simple. Don't overload with info. Focus on small parts.

20/80 principle. 20% mastery = 80% results. Find out the 20% that is needed and study that.

Surround by experts, they expose your blind spots.