Reading a lot is often considered a sign of good reading comprehension. If a child or teenager reads several books a month, it seems logical to assume they read easily and understand what they read well. After all, how could someone read so much without good comprehension?
But we take for granted something that isn’t so obvious. We may find children and young people who read frequently or enjoy books and yet have difficulties when faced with certain comprehension tasks: identifying the main idea of a text, relating information that appears in different parts, making an inference, or critically evaluating what they have read.
The question, therefore, is not whether reading is important (it is), but whether reading a lot and understanding well are the same thing.
Inconsistent data about reading
The available data makes this question even more interesting. In Spain, young people between the ages of 14 and 24 are currently the age group with the highest percentage of leisure book readers: 76.9% report reading books in their free time, according to the 2025 Barometer of Reading and Book Buying Habits by the Spanish Federation of Publishers’ Guilds . This percentage has been increasing in recent years.
At the same time, educational assessments show that some students struggle when reading tasks require more complex levels of comprehension. In the OECD’s PISA tests, understanding a text does not simply mean locating explicitly stated information : the most challenging tasks require integrating information, making inferences, handling complex texts, and critically evaluating what has been read.
Herein lies a paradox worth exploring: we can find young people who read frequently and, at the same time, struggle with reading comprehension. This doesn’t necessarily imply a causal relationship between the two. It simply means that reading habits and reading comprehension are not exactly the same thing.
What is read, and what is understood
What exactly do we mean when we say that a person understands what they read?
When we talk about reading, we tend to use a single word to refer to very different activities. We don’t read a novel, the instructions for an experiment, a scientific article, an argumentative text, or two news reports that offer different explanations of the same event in the same way. All these activities involve reading, but they don’t require exactly the same processes.
A reader can fluently follow a story, remember its characters, and enjoy it, yet find it difficult to explain what idea supports an argumentative text, relate information that appears in different paragraphs, or deduce something that the author has not explicitly stated.
This helps to understand an issue that is often hidden when we talk about “good readers”: the amount of reading does not by itself tell us what comprehension processes a person is capable of performing.
Several skills combined
Educational assessments themselves are based on this idea. Reading comprehension tests distinguish tasks such as locating explicit information, identifying relevant ideas, making inferences, integrating information, and evaluating the content of a text. In Catalonia, for example, end-of-stage assessment frameworks break down reading comprehension into different processes, precisely because understanding is not a single skill .
Therefore, when faced with a child or teenager who reads many books, perhaps the question should not only be “How much do they read?”, but also “What are they able to do with what they read?”.
Relationship between ‘quantity’ and ‘quality’ of reading
If reading a lot can be compatible with having difficulties in certain comprehension tasks, what do we know about the relationship between reading habits and reading proficiency?
Understanding a text is not just about understanding the words in it. It also involves constructing meaning, connecting information, and making inferences. Furthermore, we use our prior knowledge to interpret what we read.
That’s why two people can read the same text and understand it differently. It’s not just what’s written that matters. The reader, the text itself, and the task at hand are also important. The difficulty, the purpose of reading, or prior knowledge can all change what we are able to understand .
For example, when we read many novels, prior experience (the more we’ve read, the more this happens) teaches us to anticipate certain plot twists or dialogue turns, and when they are unexpected, they are unexpected in comparison to what we’ve read previously. The more reading experience we accumulate with a particular writing style, the less cognitive effort it takes to decipher it, the more predictable the task becomes, and the less effort we exert in understanding it. Hence the need to read a variety of texts.
Reading comprehension vs. reading skills
Scientific research points to a positive relationship between exposure to reading and different reading skills. The authors propose a possible circular relationship: those with better reading skills tend to read more. In turn, reading can contribute to developing those skills.
This is also observed in studies conducted over time . In the early years, lower levels of comprehension and fluency are associated with less voluntary reading. In later years, more frequent reading, especially of books, is associated with better comprehension.
This suggests that reading and comprehension can influence each other, and that the relationship changes during development. But it also indicates that we cannot reduce reading proficiency to the number of books read.
So, if reading more doesn’t guarantee better understanding, what makes a person learn to understand what they read?
Explicit teaching
Just as we learn the mechanics of reading in school (that letters represent sounds and meanings, and that together they form syllables, words, and sentences), reading comprehension also requires explicit instruction. Simply increasing exposure to texts is not enough. It is also necessary to learn how to use strategies to construct and verify meaning.
Interventions specifically aimed at comprehension , which work on aspects such as vocabulary, semantics, morphology and syntax, have a positive impact .
Explicit instruction can include strategies such as anticipating content, activating prior knowledge, formulating questions, and making inferences. It can also teach students how to identify main ideas, summarize, and check their understanding. But it’s not simply about providing a list of strategies. The teacher must demonstrate how and when to use them and gradually guide students toward independent use.
This teaching should be adapted to the type of text , whether narrative or informative.
Read a lot, read better
It’s good news when a child or teenager reads a lot. Frequent reading offers opportunities to expand knowledge, discover new words, and encounter different ways of explaining the world.
But these opportunities alone do not guarantee that understanding will develop in all its complexity. Understanding is also learned and requires instruction that accompanies that process.
Therefore, fostering a love of reading and teaching comprehension should go hand in hand. It’s not about choosing between getting them to read more or teaching them comprehension strategies. It’s about enabling them to do both.
Perhaps we should look beyond the number of books read. We should ask ourselves what texts people read, why they read them, and what they do with what they find in them. Because reading also means being able to ask questions, connect ideas, construct one’s own interpretation, and change one’s mind when the text offers something new.
Author Bio: Sylvie Pérez Lima is an Educational Psychologist. Psychologist COPC 29739. Professor of Psychology and Education Studies at UOC – Universitat Oberta de Catalunya
