For understanding the main ideas of a nonfiction book, the adults tested so far do about as well listening as reading. Reading keeps a small edge when you set your own pace and on questions that need deeper inference, and passive listening invites more mind wandering. Book summaries are a different tool again: useful for main ideas, with their own evidence and their own limits.
The audiobooks vs reading debate is full of confident claims. Below, each claim comes with the study behind it and with what that study did not test.
Does listening to an audiobook count as reading?
Part of this question is about words. Some writers hold that listening is listening and reading is reading, whatever you take away; others care only about what ends up in your head. If you mean “did I take in the book”, the research below is more useful than the definition.
The brain evidence points toward the second view. In a 2019 study in the Journal of Neuroscience, Deniz and colleagues used functional magnetic resonance imaging (fMRI) to scan 9 people while they listened to, and separately read, several hours of the same 10- to 15-minute stories from The Moth Radio Hour. The brain’s representation of meaning was “almost identical” for listening and reading in most of the regions that handle meaning.
What it did not show: 9 people is a small group, and two of them were authors of the study. Reading meant watching one word at a time appear on a screen at the pace of the spoken story, which is not how people normally read. And the study shows where meaning is represented, not how much people understand or remember.
If the reading brain interests you, Proust and the Squid by Maryanne Wolf tells the story of how humans learned to read at all.
What the research says about understanding and remembering
The best direct test we found is a 2016 experiment in SAGE Open by Rogowsky, Calhoun and Tallal. They randomly assigned 91 college-educated adults to one of three ways of taking in the preface and chapter 17 of Laura Hillenbrand’s Unbroken: a digital audiobook, an e-text on a tablet, or both at once. Everyone took a 48-question multiple-choice test right after, and again two weeks later.
There was no significant difference between the groups at either point:
| Group | Score right after (out of 48) | Score two weeks later |
|---|---|---|
| Audiobook | 30.9 | 28.2 |
| E-text | 31.3 | 29.1 |
| Both at once | 31.5 | 27.6 |
Reading along while listening did not help either. The authors list the limits themselves: one narrative nonfiction book, no printed-book condition, and only college-educated native English speakers. Finding no difference in 91 people also does not prove the formats are identical; a small difference could be missed.
A wider view comes from a 2022 meta-analysis in the Review of Educational Research by Clinton-Lisell, which pooled 46 studies with 4,687 participants of all ages. Overall, it found no reliable difference between reading and listening comprehension (an effect size of g = 0.07, close to zero). We read this paper as an abstract only, and it mixes children and adults and several languages, so it describes the average across many settings rather than any one reader.
Many of our readers listen in a second language. Rogowsky tested only native English speakers, and the meta-analysis abstract does not report results by language background, so the studies we reviewed did not test this question.
Where reading still has an edge
The same meta-analysis found where the small differences sit. Reading came out ahead when readers set their own pace (g = 0.13), on inference questions (g = 0.36) and on general comprehension (g = 0.15). On literal questions, the ones whose answer is stated in the text, there was no difference (g = -0.01).
A classroom study points the same way. In Teaching of Psychology, Daniel and Woody (2010) gave students a primary source either as a podcast or as text. The podcast group scored lower on a quiz about it. The students preferred podcasts at first and changed their preference right after the quiz.
The limits: the effects are small; we read both papers as abstracts; Daniel and Woody’s abstract does not give the sample size; and their students were studying course material for a quiz, not reading for pleasure.
That answers the question people ask about the disadvantages of audiobooks. With audio, it is harder to slow down at a difficult passage, re-read a sentence or glance back to check an earlier point, and the narrator sets the pace. In the meta-analysis, one of reading’s advantages was for readers who controlled the pace. Maryanne Wolf’s Reader, Come Home makes a related case about protecting deep reading in a world of screens.
Why attention matters more than the format
A 2013 lab study in Frontiers in Psychology by Varao Sousa, Carriere and Smilek tested 235 University of Waterloo students (211 in the analysis). Each read one passage aloud, read one silently and listened to one, all excerpts of about 1,800 words from Bill Bryson’s A Short History of Nearly Everything, with the audio read by Bryson himself. Listening produced the most mind wandering, the worst memory scores and less interest than reading aloud. Reading aloud produced the least mind wandering, and memory did not differ between reading aloud and reading silently.
The setting matters for how far this goes. It was a lab, with students and short passages, and the listeners faced a blank screen with no way to pause or rewind. The authors also cite a study that found the opposite result for reading aloud versus silently.
Put the findings together and the difference looks like control and attention more than eyes versus ears: reading’s edge showed up when readers set the pace, and the weak listening results in the lab came from listeners who could not pause or rewind. So choose a moment when you can follow, and rewind when you notice you have drifted. None of the studies here tested listening while doing something else, such as driving or exercising, so we make no claim either way about that.
How to keep what you hear is a separate question, with its own research; we cover it in how to remember what you read. For the attention side, Johann Hari’s Stolen Focus looks at what drains our focus and how to take it back, and the Improve Focus goal, the Deep Focus for Knowledge Workers path and the Reclaim Your Attention from the Digital World path go further.
Does speeding up the audio hurt understanding?
A 2021 study in the Journal of Experimental Psychology: Human Perception and Performance by Kuperman and colleagues had the same people read silently and listen to matched texts at different speech rates. Listening comprehension held at 270 words per minute and dropped steeply at 315. Their spontaneous silent reading averaged 269 words per minute.
In other words, comprehension held up to about the average silent reading speed and fell beyond it. By this study, faster audio did not hurt understanding up to roughly that speed, and going well past it did. The limits: we read the abstract only, it does not give the sample size, and the test measured comprehension, not memory days later.
Where book summaries fit
Summaries are the third option, and the research on them is older and narrower. In a series of studies published in 1980 in the Journal of Verbal Learning and Verbal Behavior, Reder and Anderson compared college textbook chapters with summaries written to convey their main points. The summaries did better at 20 minutes, 1 week and 6 to 12 months, on direct and inference questions, and for learning new related material. They still did better when the main points in the full chapter were underlined.
A 1982 follow-up in Memory & Cognition separated two reasons. A short summary leaves time to reread the main points, and it leaves out distracting detail; each of these, on its own, improved memory for the central ideas.
The limits are real. These are studies from the 1980s, using textbook chapters rather than trade nonfiction, and they tested memory for main points only, so the stories, examples and details that make a book worth reading were not what was measured. We read both as abstracts. We found no study of modern summary apps, or of 15-minute book summaries compared with the full book.
So a summary is good at one job: getting the main ideas across and keeping them in view. Our own Pricing page says it plainly: these are “summaries of nonfiction books, not recordings of the complete original books.”
Audiobook, book or summary: which fits your day
This table is our editorial framing, built on the sections above, not a research finding.
| Situation | Best fit | Why |
|---|---|---|
| Studying, or a book heavy on reasoning, where you need to slow down and re-read | The book or e-book | Reading did better when readers set the pace and on inference questions |
| A book you want to get through at times when you cannot read, such as a walk or a ride | The audiobook | Understanding of the gist was about equal in the studies; none tested listening during another task, so pause when your attention drifts |
| Deciding whether a book deserves your next 10 hours | A summary first | Main-point summaries got the central ideas across |
| Refreshing the main ideas of a book you finished | A summary | Rereading the main points helped memory for the central ideas |
If you settle on full audiobooks, our guide to audiobook apps compares prices and what works where you live. For what to read or listen to next, start with our best nonfiction books.
Quick answers
Is listening to audiobooks the same as reading?
For understanding the gist of a nonfiction book, the adults studied so far did about as well listening as reading. It is still a different experience: reading gives you more control over pace and makes it easier to look back.
What are the disadvantages of audiobooks?
It is harder to slow down, re-read and check back, and passive listening invited more mind wandering in a lab study. Reading kept a small edge when people set their own pace and on inference questions.
Can a book summary replace reading the book?
No. A summary carries the main ideas; it leaves out the stories, examples and nuance, and we found no study showing that summaries replace books.
Studies cited
- Clinton-Lisell, V. (2022). Listening Ears or Reading Eyes: A Meta-Analysis of Reading and Listening Comprehension Comparisons. Review of Educational Research, 92(4), 543-582.
- Daniel, D. B., & Woody, W. D. (2010). They Hear, but Do Not Listen: Retention for Podcasted Material in a Classroom Context. Teaching of Psychology, 37(3), 199-203.
- Deniz, F., Nunez-Elizalde, A. O., Huth, A. G., & Gallant, J. L. (2019). The Representation of Semantic Information Across Human Cerebral Cortex During Listening Versus Reading Is Invariant to Stimulus Modality. Journal of Neuroscience, 39(39), 7722-7736.
- Kuperman, V., Kyröläinen, A.-J., Porretta, V., Brysbaert, M., & Yang, S. (2021). A lingering question addressed: Reading rate and most efficient listening rate are highly similar. Journal of Experimental Psychology: Human Perception and Performance, 47(8), 1103-1112.
- Reder, L. M., & Anderson, J. R. (1980). A comparison of texts and their summaries: Memorial consequences. Journal of Verbal Learning and Verbal Behavior, 19(2), 121-134.
- Reder, L. M., & Anderson, J. R. (1982). Effects of spacing and embellishment on memory for the main points of a text. Memory & Cognition, 10(2), 97-102.
- Rogowsky, B. A., Calhoun, B. M., & Tallal, P. (2016). Does Modality Matter? The Effects of Reading, Listening, and Dual Modality on Comprehension. SAGE Open, 6(3).
- Varao Sousa, T. L., Carriere, J. S. A., & Smilek, D. (2013). The way we encounter reading material influences how frequently we mind wander. Frontiers in Psychology, 4, 892.
How BookBits fits
BookBits makes audio summaries of nonfiction books, written in our own words through an AI-augmented process and narrated with AI voices. Use one as a first pass before you commit to a full book, or as a refresher after you finish it; it does not replace the book. Previews are free on the website with no account, full listening requires the iOS or Android app, and Pricing has the details. The Think More Clearly and Learn Faster goals are good places to start, and our page on the BookBits book summary app explains how listening works.
