EDUCATION

Study Smarter Not Harder: Science Says Ditch the Highlighter

University LibraryWed Oct 07 2026
Study Smarter Not Harder: Science Says Ditch the Highlighter

Most students grab a highlighter and reread notes before a big test. It feels productive. Research says it barely works for long-term memory. Cognitive psychologist Pooja Agarwal explains that easy study methods create an illusion of learning. The brain actually retains more when it struggles a little. This concept is called desirable difficulties. Small mental challenges build stronger neural pathways.

Instead of highlighting, try retrieval practice. Read a few pages. Close the book. Write down everything you remember. It only takes a minute or two. Henry Roediger at Washington University confirms this works whether you write, speak, or think through the material. Just don't fool yourself by glancing and assuming you know it. You have to spell out the details in your mind.

Before your next study session, pause for sixty seconds. Do a brain dump on paper. Then rate your understanding from zero to one hundred. Ask what felt hardest the first time around. This metacognition step adds an extra boost. The more connections you build, the richer the learning becomes.

Spacing out study sessions beats cramming every time. Immediate rereading might help you pass tomorrow's quiz. But the knowledge evaporates fast. Spread your review over days or weeks. Your future self will thank you when the final exam rolls around.

Social media hacks like chewing gum or listening to music won't boost retention. They might improve your mood or keep you awake. That's it. Focus on strategies backed by decades of lab and classroom research. Your brain deserves better than pseudoscience.

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