Myth: Re-reading and highlighting
Reality: However, a report published in the journal Psychological Science in the Public Interest showed that both of these study strategies are relatively ineffective. Passively reading the same text over and over again won’t do anything for comprehension or recall unless it’s spaced out over time and highlighting, or underlining can even be detrimental if the wrong information is selected.
Source: https://www.opencolleges.edu.au/informed/features/10-common-learning-myths-might-holding-back/