6 STUDY TECHNIQUES THAT ACTUALLY WORK
Backed by cognitive science research — not by what feels productive. Most students spend hours studying with methods that barely work. Here's what the evidence actually says.
ShiftGlitch Learning Science · Updated April 2026 · 6 min read
70%
Forgotten in 24 hrs
Without reinforcement, most new information is gone within a day. Ebbinghaus, 1885 — unchanged by 140 years of research.
50%
More retained via testing
Students who tested themselves retained 50% more after one week than students who reread. Roediger & Karpicke, 2006.
10×
More effective with spacing
Distributed practice over days and weeks beats massed cramming by an order of magnitude for long-term retention.
> Research consensus
Highlighting, underlining, rereading, and summarising — the four most common study strategies — are rated as having low utility by cognitive scientists. They create the illusion of learning without producing durable memories. The techniques below are rated as having high or moderate utility.
THE 6 TECHNIQUES
01
Spaced Repetition
Review material at increasing intervals — 1 day, then 3 days, then 1 week, then 2 weeks. Each retrieval at the right moment strengthens the memory trace and resets the forgetting curve. This is not studying more; it is studying at the right time.
02
Active Recall
Close your notes. Try to retrieve the information from memory — write it, say it, or sketch it. Then check. This process, called the testing effect, is the single most powerful learning method known to cognitive science.
03
The Pomodoro Technique
25 minutes of fully focused work, then a 5-minute break. After four sessions, take a 20–30 minute break. This prevents the cognitive fatigue that reduces learning efficiency. The key is that during the 25 minutes, nothing else exists — phone away, one task, full attention.
04
The Feynman Technique
Explain the concept you are studying as if you are teaching a 10-year-old. Where your explanation stumbles or becomes vague is exactly where your understanding has gaps. Go back to the source, fill those gaps, and explain again. Richard Feynman used this constantly.
05
The Blurting Method
Without looking at your notes, write everything you remember about a topic on a blank sheet. Then open your notes, identify every gap, and blurt again. Each cycle is more complete than the last.
06
Interleaving
Instead of spending two hours on one subject before switching, mix subjects within a session. Do 30 minutes of maths, then 30 minutes of chemistry, then back to maths. Research shows interleaving produces stronger learning than blocking — despite feeling harder in the moment.
The gap between students who master material and students who struggle is almost never effort — it is method. Every technique above is supported by decades of peer-reviewed research. The only variable is whether you apply them.
DEEP DIVES
Read the full research brief for each technique — mechanism, evidence, and how to apply it today.
// Frequently Asked Questions
What are the best study techniques backed by science?
The two study techniques with the strongest evidence base are spaced repetition (distributed practice) and active recall (practice testing). Both have been consistently shown across decades of cognitive science research to produce far better long-term retention than popular alternatives like rereading, highlighting, or summarising. After those two, interleaving and elaborative interrogation have medium utility. The Pomodoro Technique and Feynman Technique, while less formally ranked in the Dunlosky review, have strong mechanistic support for improving focus and depth of understanding respectively.
Why don't common study habits like highlighting and re-reading work?
Highlighting and rereading are passive — they expose you to information but never force your brain to retrieve it. Learning is largely a function of retrieval: the act of pulling information from memory, not the act of exposing yourself to it. Rereading produces familiarity, which feels like learning but evaporates without reinforcement. Highlighting requires no mental processing beyond visual recognition. Both create the illusion of productivity while producing minimal durable memory.
How long does it take to see results from evidence-based study techniques?
Most students notice a difference within the first week. Active recall reveals immediately how much you actually retained versus how much you merely recognised. Spaced repetition compounds over weeks: information reviewed on a proper spacing schedule is retained for months or years, not days. The investment in the first two to three weeks is front-loaded — establishing cards, building schedules, practising retrieval — but maintenance effort drops significantly as material becomes secure in long-term memory.
Can I use multiple study techniques at the same time?
Yes, and the combination is more powerful than any single technique used alone. A typical high-efficiency study session might use the Pomodoro Technique to structure the session length, active recall (blurting) as the primary retrieval method, spaced repetition to schedule when to return to material, and the Feynman Technique for concepts that remain unclear after retrieval attempts. Each technique addresses a different aspect of learning: focus, retrieval, timing, and depth of understanding.
What is the biggest mistake students make when studying?
The biggest mistake is using passive re-exposure as a proxy for learning. Re-reading notes, watching the same lecture again, and copying out text all create a sense of familiarity that feels like competence. But memory is forged by retrieval — by attempting to recall information without it being in front of you. The moment you close your notes and try to write down what you know, you discover the actual state of your understanding. That discomfort is not a sign that the technique is failing; it is precisely where learning happens.