There is no shortage of advice on how to learn. The problem is that it ranges from solid research to confident nonsense, often in the same video. We checked the most recommended free resources against the learning research and kept the ones that match it. Each comes with what it is good for, who it suits, and an honest note on its limits. This list is for working adults learning from online courses, so it favours resources you can use in an evening, not a semester.
How we chose
Three tests. First, it is free to use, or has a free version that stands on its own. Second, its core advice matches the techniques with the strongest evidence, mainly testing yourself and spacing your study over time, rather than ideas the research does not support. Third, a busy professional can get something useful from it in under an hour.
The resources
1. The Learning Scientists: free guides to six strategies
The Learning Scientists are cognitive psychologists who turned six well-supported strategies (spaced practice, retrieval practice, elaboration, interleaving, concrete examples and dual coding) into one-page guides, posters and slides. Good for: a fast, accurate overview you can print. Note: much of it is written for teachers and students, so translate "exam" into "the next time you need it at work".
2. RetrievalPractice.org: practical ways to test yourself
RetrievalPractice.org, run by cognitive scientist Pooja K. Agarwal, focuses on the single best supported technique: pulling information back out of memory. Good for: concrete formats for self-testing beyond flashcards. Note: most of the downloads are for educators; the ideas transfer, the classroom examples do not always.
3. Deans for Impact: The Science of Learning
The Science of Learning is a short, free PDF that summarises what cognitive science says about how people understand and remember new ideas, with each claim tied to research. Good for: the clearest short summary we found. Note: it is written for people who train teachers, so the "what this means" sections speak about classrooms.
4. Learning How to Learn (Coursera)
Learning How to Learn, taught by Barbara Oakley and neuroscientist Terrence Sejnowski, is the best known free course on the subject, with more than four million learners enrolled when we checked in October 2026. The course page lists it as free to enrol; check the current terms when you sign up, because certificates and platform plans change. Good for: a structured, research-informed course across four modules. Note: it is several hours long, and a few of its memorable ideas are simplified for teaching. Treat it as an introduction, not the last word.
5. Study Less, Study Smart (lecture on YouTube)
Study Less, Study Smart is a recorded lecture by psychology professor Marty Lobdell, about an hour long and widely shared. Good for: practical habits explained with warmth: short focused sessions, studying concepts rather than isolated facts, and teaching the material to someone else. Note: it was recorded for college students, and some of its advice, such as the exact length of a study session, is the lecturer's experience rather than tested research.
6. Make It Stick (book, with a free summary)
Make It Stick, by Peter Brown with cognitive psychologists Henry Roediger and Mark McDaniel, is the most readable book on the research. Washington University's summary is free and covers its main lessons. Good for: understanding why the effective methods feel harder. Note: the book itself is not free; the summary is enough to start.
Handle with care
Some popular learning content mixes good advice with claims that run ahead of the evidence. Two patterns to watch for. The first is precise-sounding protocols, with exact breathing routines, minute counts or error rates, presented with more certainty than the studies behind them allow; some steps in such protocols are well supported, such as protecting your sleep, while others rest on animal studies or unpublished work. The second is round numbers: "twenty hours to learn anything" and "twenty-five minutes, then a five-minute break" are useful rules of thumb, not research findings. Use what helps you. Do not treat the numbers as science.
The honest caveat for all of it
Nearly all of the research behind these resources was done with students, most of them at university. The core findings have held up across a large number of studies, so they are a strong bet for professionals too, but nobody has tested them specifically on people learning a new method between meetings. Treat each resource as a set of experiments to try on yourself, and keep the ones that change what you can actually do.
