> ## Content Index > Fetch the complete content index at: https://digitalteachernotes.com/llms.txt > Use this file to discover other available public pages before exploring further. # Can You Really Learn a Language Just by Reading More? What 73 Studies Found - URL: https://digitalteachernotes.com/can-you-really-learn-a-language-just-by-reading-more-what-73-studies-found/ - Published: 2026-09-15T07:42:25.000Z - Updated: 2026-09-15T07:42:25.000Z - Author: Digital Teacher - Tags: Teaching Ideas Language learning often comes with a long list of activities. Vocabulary exercises. Grammar drills. Listening practice. Speaking tasks. Writing assignments. But there is a much simpler approach that has been around for decades: **Read a lot.** Not difficult texts that need to be translated sentence by sentence. Not short passages followed by ten comprehension questions. Just sustained reading in the language you are trying to learn. A 2025 meta-analysis looked at **73 studies** of this approach, known as **extensive reading**. Those studies included **82 interventions** and 86 experimental comparisons. The overall result was positive: **Extensive reading improved second- and foreign-language learning, with an average effect of d = 0.41.** Even more interesting, the benefits were not limited to reading. The researchers found positive effects across every language domain they examined. [Read the full open-access meta-analysis](https://doi.org/10.1007/s10648-025-10068-6?ref=digitalteachernotes.com) ## The short version The meta-analysis found that extensive reading had significant positive effects on: - reading comprehension - vocabulary - decoding and fluency - reading motivation - writing - oral proficiency - general language proficiency The effects were generally **small to medium**. And two features made extensive-reading programs more effective: 1. **Students had some limits on which texts they chose**, usually to keep the reading appropriate to their level. 2. **Students had some form of accountability**, such as a reading log, quiz or follow-up activity. That creates an interesting twist. The most effective version was not simply: **“Read whatever you want and we’ll never ask about it.”** It was closer to: **“Read a lot, choose from material you can actually understand, and do something small that shows you really read it.”** ## What is extensive reading? Extensive reading is different from the way reading is often used in language classes. In intensive reading, students may work slowly through a relatively short text. They analyze vocabulary. Study grammar. Translate sentences. Answer detailed questions. Extensive reading takes almost the opposite approach. Students read: - larger amounts of text - mostly independently - at their own pace - with material that is relatively easy for them - primarily for meaning rather than detailed analysis The goal is not to understand every unfamiliar word. It is to keep reading. Over time, learners encounter vocabulary, grammar and sentence patterns repeatedly in meaningful contexts. ## 73 studies, mostly English learners The researchers included **73 studies containing 82 extensive-reading interventions**. Most were peer-reviewed. The interventions lasted anywhere from **four weeks to a full academic year**. But the evidence base has an important bias. Almost all the studies involved students learning **English**. Of the 82 interventions: **80 focused on English.** Most were also conducted in foreign-language settings, where English was not the main language spoken outside the classroom. And university students were heavily represented. Around **56% of the comparisons involved tertiary education**, compared with 23% in secondary education and only 9% in primary education. So this is strong evidence for extensive reading in foreign-language learning, especially English. It is less definitive for younger children and other languages. ## The overall effect was positive Across all 86 experimental comparisons, the average effect was: **d = 0.41** When the researchers looked only at immediate post-intervention results, the effect was: **d = 0.38** Those are not enormous effects. But they are meaningful, especially for an intervention as simple as increasing the amount of suitable reading students do. The important point is that the benefit appeared across multiple skills. ## Reading helped more than reading This is where the results become particularly interesting. The researchers found significant positive effects not just on reading comprehension, but across all the language outcomes they examined. That included: **Vocabulary** Repeated exposure to words in context gives learners more opportunities to encounter vocabulary naturally. **Fluency** Reading larger amounts of relatively easy text can help students process language more quickly. **Writing** Exposure to sentence structures, vocabulary and discourse patterns may give learners more language to draw on when they write. **Oral proficiency** Even though extensive reading is a silent activity, the analysis found positive effects on measures combining speaking, listening and grammar. **Motivation** Reading material that learners can actually understand may also make reading in another language feel less like a constant test. This does not mean reading replaces speaking, writing or instruction. But it suggests that reading can support a surprisingly broad range of language skills. ## Completely free choice was not necessarily best Extensive reading is often associated with student choice. That makes sense. If students enjoy what they are reading, they may read more. But the meta-analysis found something slightly counterintuitive. Programs where students' text choices were **limited in some way** tended to produce larger effects than programs with completely unrestricted choice. That usually meant helping students choose material appropriate to their reading level. For example, a learner might choose freely from a set of graded readers designed for their current proficiency. The principle is important: **Choice still matters, but the text also has to be readable.** A student who repeatedly chooses books far above their current level may spend more time struggling with vocabulary than actually reading. So the ideal may not be unlimited choice. It may be **supported choice**. ## Accountability helped too The second significant feature was accountability. Programs where students had to demonstrate that they had actually done the reading produced larger effects. Accountability could take different forms: - a reading log - a short quiz - a brief written response - tracking completed books - another follow-up activity This might sound like it undermines the whole idea of reading for pleasure. But the researchers' interpretation is more practical. Simply allocating time for independent reading does not guarantee that students will actually read. A small amount of accountability may provide enough external motivation to keep the activity going. The important word is probably **small**. Turning every book into a major assignment would defeat much of the purpose. ## What did not seem to matter much? Several features did **not** significantly explain differences in outcomes. For example, the researchers did not find a significant relationship between effects and: - program duration in weeks - educational level - whether a researcher or teacher ran the intervention - rewards - digital support - providing books to take home - additional interaction after reading That does not prove those features never matter. It means this meta-analysis could not establish that they reliably explained the differences between stronger and weaker interventions. Duration is especially difficult to interpret because many studies did not report the actual amount of time students spent reading. A ten-week intensive program may involve more reading than a six-month program with only a few minutes per week. ## Digital reading was not the main story Despite all the attention given to digital learning, most extensive-reading programs in this research still used printed material. Around **90% of the interventions used printed texts**. Only a relatively small number used digital systems to support reading, often through quizzes or platforms such as MoodleReader. That makes this an interesting contrast with much EdTech research. The mechanism does not appear to depend on sophisticated technology. The key ingredients are more basic: **a lot of comprehensible language, enough motivation to keep reading, and material matched reasonably well to the learner.** ## There is one big unanswered question The study found clear short-term benefits. What it could not establish was whether those benefits last. Only a handful of the included studies measured students again after the intervention ended. That means we know relatively little about the **long-term effects** of extensive reading. Does a six-month reading program permanently change vocabulary or fluency? Does increased confidence lead students to keep reading on their own? Does extensive reading create a virtuous cycle where: **more reading → better proficiency → easier reading → more reading?** That is plausible. But the current evidence base does not answer it well enough. ## Younger students are underrepresented too This is another important limitation for teachers. Only seven interventions focused on primary education. Nineteen involved secondary education. Forty-six involved university students. So while the overall findings are encouraging, we should be cautious about assuming that the exact same effects apply to a class of 9-year-olds learning French or Spanish. The researchers specifically call for more studies involving younger learners. ## So what might a good extensive-reading program look like? The findings suggest something fairly simple. Give students access to **a lot of material they can realistically understand**. Let them choose, but help constrain the choices to an appropriate level. Then add a small amount of accountability. For example: **Choose one of these 20 books at your level.** Read for 20 minutes. Afterwards, record: - what you read - one sentence about what happened - one new word you noticed - whether you would recommend the book That is enough to show that reading happened without turning the experience into another long assignment. Then let them choose another book. And keep going. ## The surprising part is how broad the benefits were Extensive reading sounds like a strategy for improving reading. According to this meta-analysis, that description is too narrow. Students who read more in the language they were learning also improved in vocabulary, fluency, motivation, writing, oral proficiency and broader language performance. The effects were not enormous. But they were remarkably consistent. So perhaps one of the simplest language-learning interventions is also one of the easiest to underestimate: **Give learners a lot of language they can understand, and give them enough reason to keep reading it.** ### Source **Sangers, N. L., van der Sande, L., Welie, C., Dobber, M. & van Steensel, R. (2025).** *Learning a Language Through Reading: A Meta-analysis of Studies on the Effects of Extensive Reading on Second and Foreign Language Learning.* Educational Psychology Review, 37, 96. [Read the full open-access study](https://doi.org/10.1007/s10648-025-10068-6?ref=digitalteachernotes.com) [Research record at Vrije Universiteit Amsterdam](https://research.vu.nl/en/publications/learning-a-language-through-reading-a-meta-analysis-of-studies-on/?ref=digitalteachernotes.com)