SQ3R study method
https://lifehacker.com/use-the-sq3r-method-to-study-more-effectively-1850780175
Short of
Survey
Question
Read
Recite
Review
Survey
look on titles / subtitles / schemata / summaries
don't read in full (!) at this moment
Question
formulate all questions for this material
e.g. use titles / subtitles to formulate questions from it
if it is not possible directly use questions “why … / how …”
Read
read the material
Recite
try to write the material in your own words
for instance:
write a small essay about it
try to teach someone else
Review
review the source material and your notes
try to make your notes better