When highlighting and underlining reading material, more is usually better.
It is best to highlight only the key information. As a general rule, you should highlight no more than 10 percent of the material.

Question

Quizplus · Accepted Answer

Highlighting or underlining too much can be counterproductive, making it difficult to distinguish the truly important information. It's more effective to be selective and highlight less, focusing on key points.

When Highlighting and Underlining Reading Material, More Is Usually Better