Reading & Literacy Explainer

How Do Kids Learn to Read? What the Science Says

By Sarah Schwartz & Sarah D. Sparks — October 02, 2019 | Corrected: October 04, 2019 23 min read

Corrected: A previous version of this article misstated the year Keith Stanovich coined the term “Matthew Effect in Reading.” It was 1986.

NOTE: The text of this article contains annotations. To view the list of annotations, please scroll to the bottom of the page.

How do children learn to read?

For almost a century, researchers have argued over the question. Most
of the disagreement has centered on the very beginning stages of the reading process, when young children are first starting to figure out how to decipher words on a page.

One theory is that reading is a natural process, like learning to speak. If teachers and parents surround children with good books, this theory goes, kids will pick up reading on their own. Another idea suggests that reading is a series of strategic guesses based on context, and that kids should be taught these guessing strategies.

But research has shown that reading is not a natural process(1), and it’s not a guessing game. Written language is a code. Certain combinations of letters predictably represent certain sounds. And for the last few decades, the research has been clear: Teaching young kids how to crack the code—teaching systematic phonics—is the most reliable way to make sure that they learn how to read words.

Of course, there is more to reading than seeing a word on a page and pronouncing it out loud. As such, there is more to teaching reading than just teaching phonics. Reading requires children to make meaning out of print. They need to know the different sounds in spoken language and be able to connect those sounds to written letters in order to decipher words. They need deep background and vocabulary knowledge so that they understand the words they read. Eventually, they need to be able to recognize most words automatically and read connected text fluently, attending to grammar, punctuation, and sentence structure.


See Also: Getting Reading Right: An Education Week Project


But knowing how to decode is an essential step in becoming a reader. If children can’t decipher the precise words on the page, they’ll never become fluent readers or understand the passages they’re reading.

That’s why we’ve put together this overview of the research on early reading, in grades K-2. It covers what’s known about how we should teach letter-sound patterns, and what we don’t know for sure yet. It touches on what else should be part of early reading programs. And it explains why we know that most children can’t learn to read through osmosis or guessing.

Here’s what the evidence shows.

Don’t children learn to read the way they learn to speak?

Infants learn to speak (2) by listening to and repeating sounds made by adults and connecting them to meanings. They don’t consciously distinguish individual sound units (called phonemes) when hearing spoken language. Some research suggests infants learn probabilistically—for example, hearing the sound “ball” at the same time as the sight of a round, bouncy object over time makes the child associate the two—while other studies suggest children map meaning to a word after experiencing it just once or twice. Within the first two years, typically developing toddlers’ brains focus on the most common sounds in their native languages and connect those sounds to meaning. A child develops understanding of speech through exposure to language and opportunities to practice the “serve and return”(3) patterns of conversation, even without explicit instruction.

By contrast, children do not naturally develop reading skill through exposure to text. The way they learn to connect oral and written language(4) depends on what kind of language(5) they are learning to read.

Alphabetic languages, like English or French, use letters to stand for sounds that make up spoken words. To read an alphabetic language, children must learn how written letters represent spoken sounds(6), recognize patterns of letter sounds as words, and match those to spoken words whose meanings they know. This differs from Chinese, for example. It uses a tonal spoken language, conveying meaning with small differences in stress or pitch. Its writing system is partially logographic—in which written symbols correspond directly to a word or concept—and also includes words that couple symbols for meaning and symbols for sound. Someone reading Chinese hanzi characters could not “sound out” unfamiliar words character by character(7).

What is systematic, explicit phonics instruction, and why is it important?

Connecting printed letters on a page to written sounds isn’t intuitive(8). While some young children may make those connections themselves, most do not. One set of studies from 1989-90 illustrates this phenomenon well(9).

In these studies, conducted by Brian Byrne and Ruth Fielding-Barnsley, researchers taught young children between ages 3 and 5 to read whole words aloud, like “fat” and “bat.” These children didn’t already know their letter names.

Then, the researchers tested whether the children could transfer their knowledge to reading a new word. They gave them the word “fun,” and asked whether the word was “fun” or “bun.” Very few of the students could do this successfully. They couldn’t break down the original word into phonemes and then transfer their knowledge of those phonemes to a new word.

But children could succeed on this task if they were first given some explicit instructions. When children were taught how to recognize that certain letters represented certain sounds, and taught how to segment words to identify those individual letters and sounds, they had much greater success on the original transfer test. Neuroscience research has since confirmed and helped explain these findings. When learning how to read new words in an unfamiliar made-up language, participants had more long-term success if they were first taught which symbols correspond to which sounds, than if they tried to remember words as wholes. Brain imaging of these readers finds that the two teaching strategies tap into different neural pathways in the brain. Readers taught to connect print to meaning directly could recall words initially more quickly, but less accurately; readers taught to connect print to sound and then to meaning read aloud more quickly and correctly, better recalled the correct meanings of words, and transferred their knowledge to new words.

Decades of research has shown that explicit phonics instruction benefits early readers, but particularly those who struggle to read.

That’s because small strengths or deficits at the start of reading compound over time. It’s what reading expert Keith Stanovich in 1986 dubbed(10) the “Matthew Effect in Reading,”(11) after the Bible verse in which the rich get richer and the poor get poorer: “The combination of deficient decoding skills, lack of practice, and difficult materials results in unrewarding early reading experiences that lead to less involvement in reading-related activities,” Stanovich wrote. “Lack of exposure and practice on the part of the less-skilled reader delays the development of automaticity and speed at the word recognition level. Slow, capacity-draining word-recognition processes require cognitive resources that should be allocated to comprehension. Thus, reading for meaning is hindered; unrewarding reading experiences multiply; and practice is avoided or merely tolerated without real cognitive involvement.”

My reading curriculum includes letter-sound instruction. Am I providing enough phonics?

Not all phonics instruction is created equal.

The most effective phonics programs are those that are systematic. The National Reading Panel found this in 2000(12), and since then, further research reviews have confirmed that this type of instruction leads to the greatest gains in reading accuracy for young students(13).

A systematic phonics program teaches an ordered progression of letter-sound correspondences. Teachers don’t only address the letter-sound connections that students stumble over. Instead, they address all of the combinations methodically, in a sequence, moving on to the next once students demonstrate mastery. Teachers explicitly tell students what sounds correspond to what letter patterns, rather than asking students to figure it out on their own or make guesses.

In one series of experiments(14), Stanford University neuroscientist Bruce McCandliss(15) and his colleagues made up a new written language and taught three-letter words to students either by asking them to focus on letter sounds or on whole words. Later, the students took a reading test of both the words they were taught and new words in the made-up language, while an electroencephalograph monitored their brain activity. Those who had focused on letter sounds had more neural activity on the left side of the brain, which includes visual and language regions and is associated with more skilled reading. Those who had been taught to focus on whole words had more activity on the right side of the brain, which has been characteristically associated with adults and children who struggle with reading. Moreover, those who had learned letter sounds were better able to identify unfamiliar words.

Early readers benefit from systematic phonics instruction. Among students in grades K-1, phonics instruction led to improvements in decoding ability and reading comprehension across the board, according to the National Reading Panel(16). Children at risk of developing future reading problems, children with disabilities, and children from all socio-economic backgrounds all benefited. Later research reviews have confirmed that systematic phonics instruction is effective for students with disabilities, and shown that it also works for English-language learners(17).

Most studies of phonics instruction test its immediate effectiveness—after the intervention, are children better readers? Among students in older grades, the results are less clear. A recent meta-analysis of the long-term effects of reading interventions(18) looked at phonics and phonemic awareness training, mostly in studies with children in grades K-1. Both phonics and phonemic awareness interventions improved reading comprehension at an immediate post-test. But while the benefits of phonemic awareness interventions persisted in a follow-up test, the benefits of phonics interventions faded much more over time. The average length of all interventions included in the study was about 40 hours, and the follow-up assessments were conducted about a year after the interventions were complete, on average.

Some of my students didn’t need phonics instruction to learn to read. Why are you saying that all kids benefit?

Depending on the estimate(19), anywhere from 1 percent to 7 percent of children figure out how to decode words on their own, without explicit instruction. They may spot the patterns in books read to them or print they see in their environment, and then they apply these patterns. These include children with a neurotypical form of “hyperlexia”(20)—a condition in which children may begin decoding as early as 3—but this is more frequently associated with children who have autism-spectrum disorders and often have separate problems with reading comprehension.

It may seem like these children are reading words as whole units, or using guessing strategies to figure out what comes next in the story. But they are attending to all of the words’ individual letters—they’re just doing it very quickly(21).

A systematic phonics program can still benefit these students, who may have gaps in their knowledge of spelling patterns or words that they haven’t encountered yet. Of course, phonics instruction—like all teaching—can and should be differentiated to meet the needs of individual students where they are. If a student can demonstrate mastery of a sound, there’s no need to continue practicing that sound—he or she should move on to the next one.

There’s another answer to this question: Students may look like they’re decoding when they’re actually not. For example, a child may see an illustration of an apple falling from a tree, and correctly guess that the sentence below the picture describes an apple falling from a tree. This isn’t reading, and it doesn’t give the teacher useful information about how a student will tackle a book without pictures.

Can cueing strategies help students to read?

Many early reading classrooms teach students strategies to identify a word by guessing with the help of context cues. Ken and Yetta Goodman of the University of Arizona(22) developed a “three-cueing system,” based on analysis of common errors (or “miscues”) when students read aloud. Ken Goodman famously called reading development a “psycholinguistic guessing game,”(23) and cueing systems teach students to guess at a new word based on:

• Meaning/Semantics, or background knowledge and context, such as vocabulary a student has already learned;

• Structure/Syntax, or how the word fits in common grammar rules, such as whether the word’s position in a sentence suggests it is a noun, verb, or adjective; and

• Visual/Graphophonics, or what a word looks like, such as how upper- and lowercase letters are used (suggesting a proper noun, for example) or common spelling patterns.

Cueing systems are a common strategy in whole-language programs, and also are used in many “balanced literacy” programs that incorporate phonics instruction. Cueing systems were designed by analyzing errors(24) rather than practices of proficient readers, and have not shown benefits in controlled experiments(25).

Moreover, cognitive and neuroscience studies have found that guessing is a much less efficient way to identify a new word, and a mark of beginning or struggling readers, not proficient readers. Skilled readers instead sound out new words to decode them.

Balanced literacy programs often include both phonics and cueing, but studies suggest cueing instruction can make it more difficult for children to develop phonics skills because it takes their attention away from the letter sounds.

I know phonics instruction is supposed to be explicit and systematic. But beyond that, how should I teach it? Does the research say anything about what content I need to cover, and how should it be sequenced?

There is a general path that most children follow as they become skilled decoders. Research can tell us how children usually progress along this path, and which skills specifically predict better reading performance.

Before starting kindergarten, children generally develop some early phonological awareness—an understanding of the sounds that make up spoken language. They can rhyme, break down multi-syllable words, and recognize alliteration(26).

A next step in the process is understanding that graphemes—combinations of one or more letters—represent phonemes, the smallest units of spoken language. It’s easier for students to learn these letter-sound correspondences(27) if they already have early phonological skills like rhyming and alliteration, along with knowledge of the names of the letters of the alphabet.

And while vocabulary is important for reading comprehension, research has also found that it’s a component in decoding ability. One study found that when children know a word’s meaning, they can more quickly learn how to recognize it automatically(28), because the visual letters, corresponding sounds, and meaning all map together when a reader recognizes a word.

There are other early skills that relate to later reading and writing ability as well(29), regardless of IQ or socio-economic status. Among these are writing letters, remembering spoken information for a short time, rapidly naming sequences of random letters, numbers, or pictures, and other phonological skills—like the ability to segment words into phonemes.

To decode words, students need to be taught to blend together the phonemes that graphemes represent on the page. For example, a young reader must learn to recognize that /r/, /o/, /d/ are three sounds that together form the word “rod,” but also that the word “rock” also contains three sounds, /r/, /o/, /k/ This is a process that builds on itself rapidly. Though there are some 15,000 syllables in English(30), after a child has learned the 44 most common sound and letter combinations(31), they will begin to sound out words as they read. These include both the basic letter and vowel sounds, but also common combinations such as “th,” “sh,” and “-ing.” There are two main ways to demonstrate to children that words are made up of sound-letter correspondences. In one method, students learn the sounds of the letters first and then blend these phonemes together to sound out words. That’s synthetic phonics—they’re synthesizing phonemes into greater whole words. The other method, analytic phonics, takes an inverted approach: Students identify—or analyze—the phonemes within words, and then use that knowledge to read other words.

Take the word “bat.” In synthetic phonics, students would first learn the /b/ sound, then the /a/ sound, then the /t/ sound and blend them together to sound out “bat.” In analytic phonics, students would learn the word “bat” alongside words like “cat,” “mat,” and “hat,” and would be taught that all these words end in the “at” sound pattern.

So there’s synthetic phonics and analytic phonics—is one way better than the other?

A few studies have found synthetic phonics to be more effective than analytic phonics. Most notably, a seven-year longitudinal study from Scotland found that synthetic phonics taught in 1st grade gave students an advantage in reading and spelling over analytic phonics(32). Still, when examined as a whole, the larger body of reading research doesn’t surface a conclusive winner. Two landmark research reviews(33) haven’t found a significant difference in the effectiveness of the two methods. Other more recent research is still inconclusive(34).

Do these strategies apply to words that don’t follow traditional sound-spelling patterns? What about words like “one” and “friend”—can those words still be taught with phonics?

Yes, but not alone; spelling and semantic rules go hand-in-hand with teaching letter sounds. Words like “lime” and “dime,” have similar spelling and pronunciation. But some words with similar spelling have different pronunciations, like “pint” and “mint.” And others have different spellings and similar pronunciations, like “jazz” and “has.” Brain imaging studies(35) find that when readers see word pairs that are inconsistent, they show greater activity in the areas of the brain associated with processing both visual spelling and spoken words. This shows that young readers use systems of understanding of both printed shapes and sounds when they see any written word. When those two systems conflict, the reader may call on additional rules, such as understanding that words at the end of lines of a rhyming poem (such as “has” and “jazz”) likely rhyme even if their spelling would not suggest it.

Some research has found that teaching common irregular words, like “one” and “friend,” as sight words can be effective(36). Still, in these studies, children were also taught phonics along with sight words—and that’s important. Understanding phonics gives students the foundation to read these irregular words. Take “friend.” While the “ie” doesn’t produce the same sound it normally does, the other letters in the word do. Research has suggested(37) that children use the “fr” and the “nd” as a framework when they remember how to read the irregular word “friend.”

When should children start to learn how to sound out words? Is there a “too early”?

Even very young children can benefit from instruction designed to develop phonological awareness. The National Early Literacy Panel Report (2009)(38), a meta-analysis of early literacy studies, found that teaching preschoolers and kindergartners how to distinguish the sounds in words, whether orally or in relationship to print, improved their reading and writing ability. The children in these studies were generally between the ages of 3 and 5.

Studies suggest progress in phonics is less closely linked to a child’s age than to the size and complexity of his spoken vocabulary, and to his opportunities to practice and apply new phonics rules. There is some evidence(39) that “decodable” books(40), designed to help students practice specific letter-sound combinations, can benefit the earliest readers. But it is mixed, and students very quickly progress enough to get more benefit from texts that provide more complex and irregular words—and often texts that students find more interesting.

How much time should teachers spend on teaching about letters and sounds in class?

There isn’t yet a definitive “best” amount of time to spend on phonics instruction. In several meta-analyses, researchers haven’t found a direct link between program length and effectiveness(41).

The National Reading Panel report found that programs focusing on phonemic awareness, the ability to hear, identify, and manipulate the smallest units of speech sounds, that lasted less than 20 hours total had the greatest effect on reading skills. Across the studies that the researchers looked at, individual sessions lasted 25 minutes on average.

But the authors of the NRP are quick to point out that these patterns are descriptive, not prescriptive. The studies they looked at weren’t specifically testing the effectiveness of different time lengths, and it may be that time wasn’t the relevant factor in these shorter programs performing better.

Eventually, a skilled reader doesn’t need to sound out every word that she reads. She sees the word and recognizes it immediately. Through reading the word again and again over time, her brain has linked this particular sequence to this word, through a process called orthographic mapping(42).

But neuroscience research has shown that even if it feels like she’s recognizing the word as a whole, she’s still attending to the sequence of individual letters in the word for an incredibly short period of time. That’s how skilled readers can tell the difference between the words “accent” and “ascent.”

What else—aside from phonics—is part of a research-based early reading program?

Phonics is essential to a research-based reading program. If students can’t decode words, they can’t derive any meaning from them. But understanding the alphabetic code doesn’t automatically make students good readers. There are five essential components of reading(43): phonemic awareness, phonics, fluency, vocabulary, and comprehension.

The National Reading Panel addressed all five of these components. The researchers found that having students read out loud with guidance and feedback improved reading fluency. Vocabulary instruction, both explicit and implicit, led to better reading comprehension—and it was most effective when students had multiple opportunities to see and use new words in context. They also found that teaching comprehension strategies can also lead to gains in reading achievement, though most of these studies were done with students older than 2nd grade.

For younger students, oral language skills; understanding syntax, grammar, vocabulary, and idioms; and having general and topic-specific background knowledge are also essential for reading comprehension.

This is one of the premises of the Simple View of Reading(44), a framework to understand reading first proposed by researchers Philip B. Gough and William E. Tunmer in 1986(45). In the simple view, reading comprehension is the product of decoding ability and language comprehension. If a student can’t decode, it doesn’t matter how much background knowledge and vocabulary(46) he understands—he won’t be able to understand what’s on the page. But the opposite is also true: If a student can decode but doesn’t have a deep enough understanding of oral language, he won’t be able to understand the words he can say out loud. Since Gough and Tunmer first proposed this framework, many studies have confirmed its basic structure—that comprehension and decoding are separate processes(47). One meta-analysis of reading intervention studies finds that phonics-focused interventions were most effective through grade 1; in older grades—when most students will have mastered phonics—interventions that targeted comprehension or a mix of reading skills showed bigger effects(48) on students’ reading skills.

For young students, early oral-language interventions can help set them up for success even before they start formal school.

The National Early Literacy Panel found that both reading books to young children and engaging in activities aimed at improving their language development improved their oral language skills(49).

If children don’t learn to read naturally from being exposed to reading, why are parents and teachers encouraged to read to infants and preschoolers?

The amount of time adults read with preschoolers and young children(50) does predict their reading skills in elementary school. One of the most important predictors of how well a child will learn to read is the size and quality of his spoken language and vocabulary, and children are more likely to be exposed to new words and their meanings or pick up grammar rules from reading aloud with adults.

In a series of studies in the late 1990s of 5-year-olds who had not yet learned to read, Victoria Purcell-Gates(51) found that after controlling for the income and education level of the children’s parents, children who had been read to regularly in the last two years used more “literary” language, longer phrases, and more sophisticated sentence structures. Moreover, an adult reading with a child is more likely to explain or expand on the meanings of words and concepts that the child does not already know, adding to their background knowledge.

Reading with trusted adults also helps children develop a love of reading. “The association between hearing written language and feeling loved provides the best foundation for this long process [of emergent literacy], and no cognitive scientist or educational researcher could have designed a better one,” notes cognitive neuroscientist Maryanne Wolf(52).

What about independent choice reading?

In a choice reading period—also known as sustained silent reading or Drop Everything and Read—students get to pick a book to read independently in class for a set amount of time. The premise behind this activity is that children need time to practice reading skills on their own to improve.

There is a lot of correlational research that shows that children who read more are better readers(53). But many of these studies don’t quantify how much reading students are actually doing. While they may specify a time frame—15 minutes of sustained silent reading, for example—the studies don’t report whether kids spend this time reading. That makes it difficult to know how effective choice reading actually is.

More importantly, these studies don’t provide experimental evidence—it’s not clear whether reading more is what makes students better readers, or if better readers are likely to read more. The National Reading Panel found that there wasn’t evidence that choice reading improved students’ fluency.

Does it make a difference whether children learn to read using printed books or digital ones?

In the last decade or so, access to Internet-based text has continued to expand, and schools have increasingly used digitally based books(54), particularly to support students who do not have easy access to paper books at home. Yet some emerging evidence suggests children learn to read differently in print versus digitally(55), in ways that could hinder their later comprehension.

Researchers that study eye movements find that those reading digital text are more likely to skim or read nonlinearly, looking for key words to give the gist, jump to the end to find conclusions or takeaways, and only sometimes go back to find context in the rest of the text. In a separate series of studies since 2015(56), researchers led by Anne Mangen found that students who read short stories and especially longer texts in a print format were better able to remember the plot and sequence of events than those who read the same text on a screen.

It’s not yet clear how universal these changes are, but teachers may want to keep watch on how well their students reading electronically are developing deeper reading and comprehension skills.

Related Education Week Stories

Influential Reading Group Makes It Clear: Students Need Systematic, Explicit Phonics
Dealing With Dyslexia: ‘It’s Almost Like It’s a Naughty Word’
Meet the Moms on the Front Lines of the Latest Reading Wars
Battle Over Reading: Parents of Children With Dyslexia Wage Curriculum War
Teachers Criticize Their Colleges of Ed. for Not Preparing Them to Teach Reading
Opinion: We Have a National Reading Crisis

1. For one early argument, see “Why Reading Is Not a Natural Process”.

2. For more, read “FAQ: Language Acquisition”.

3. “Key to Vocabulary Gap Is Quality of Conversation, Not Dearth of Words

4. In this video, cognitive psychologist Daniel Willingham discusses the implications of the science of reading with Education Week assistant managing editor Liana Heitin Loewus. For Willingham’s book, click here.

5. “Cross-Cultural Effect on the Brain, Revisited

6. One way to see the connection between sound recognition and reading is to look at the effects of one of the most common early childhood illnesses, middle-ear infections. Studies have found children who had repeated infections before age 3 had lower reading performance in grades 1 and 2 than children without ear infections. The infections were directly related to lower phonological awareness, alliteration, and rhyme, as well as expressive language, word reading and definitions. “The Effects of an Early History of Otitis Media on Children’s Language and Literacy Skill Development

7. Scholars of historic language development suggest that one of the earliest writing systems, Sumerian cuneiform, evolved from a mostly logographic system to one that used characters to represent sounds in its spoken language. See: Proust and the Squid - Maryanne Wolf. You can also see Wolf discuss the evolution of spoken versus written language in this Nature interview.

8. Hear teachers’ perspectives on phonics instruction in this video interview.

9. For the full studies, see: “Phonemic awareness and letter knowledge in the child’s acquisition of the alphabetic principle” and “Acquiring the alphabetic principle: A case for teaching recognition of phoneme identity”.

10. Keith Stanovich discusses how early differences build over time in this video interview.

11. Stanovich adapted the concept from sociologists Robert Merton and Harriet Zuckerman. The “Matthew Effect” has been applied to areas from law to geopolitics as a way to describe how early advantage builds on itself.

12. Overall, systematic phonics programs produced a moderate and statistically significant effect size, d=0.44. The report concluded that these findings suggest systematic phonics programs have a greater positive effect than other programs that provide unsystematic phonics, or no phonics. See “National Reading Panel, Teaching Children to Read: An Evidence-Based Assessment of the Scientific Research Literature on Reading and Its Implications for Reading Instruction, Reports of the Subgroups.”

13. This 2006 review found that systematic phonics instruction had a moderate and statistically significant effect on reading accuracy. The review didn’t find that phonics had a statistically significant effect on reading comprehension, but the authors note that this finding was based on weak evidence–only four randomized controlled trials that examined comprehension were included. “A systematic review of the research literature on the use of phonics in the teaching of reading and spelling”.
This Australian review of reading research determined systematic phonics instruction to be an essential component of reading instruction, as part of a program that explicitly teaches phonemic awareness, phonics, fluency, vocabulary, and comprehension.

14. “Hemispheric Specialization for Visual Words Is Shaped by Attention to Sublexical Units During Initial Learning.” For a broader discussion of the experiments, see: Brain wave study shows how different teaching methods affect reading development.

15. In a Stanford University lecture, Bruce McCandliss explained how different kinds of neural activity relate to reading.

16. “National Reading Panel, Teaching Children to Read: An Evidence-Based Assessment of the Scientific Research Literature on Reading and Its Implications for Reading Instruction, Reports of the Subgroups

17. Effectiveness of Treatment Approaches for Children and Adolescents with Reading Disabilities: A Meta-Analysis of Randomized Controlled Trials
The review found that phonics instruction had a small but statistically significant effect on reading performance across the studies in children and adolescents. Studies in children with mild reading disabilities had a greater effect than studies in children with moderate and severe reading disabilities.
Developing Literacy in Second-Language Learners: Report of the National Literacy Panel on Language-Minority Children and Youth
English-language learners need the well-rounded reading instruction that their native English speaking peers do–instruction that integrates phonemic awareness, phonics, vocabulary, fluency, and comprehension. Still, within phonemic awareness, it may be most effective to give students more work with phonemes that appear in English, but not in their native language. Oral language development in English is also especially important for ELLs.

18. A Meta-Analysis of the Long-Term Effects of Phonemic Awareness, Phonics, Fluency, and Reading Comprehension Interventions.

19. “Precocious Readers: Past, Present, and Future,” “Early Literacy Development and Instruction: An Overview” “Precocious Readers: Case Studies of Spontaneous Learning, Self-Regulation and Social Support in the Early Years

20. “Hyperlexia: Systematic Review, Neurocognitive Modelling, and Outcome.”

21. Research has shown that when young readers know words on sight, it’s because they recognize the sound-letter patterns in those words–not because they’ve stored the words in their visual memory. See: “Phonological and semantic processes influence beginning readers’ ability to learn to read words,”
Phonological recoding and orthographic learning: A direct test of the self-teaching hypothesis.

22. Kenneth and Yetta Goodman Collection 1953-2015 Goodman, (Kenneth S., Yetta M.) Collection.

23. “Reading: A Psycholinguistic Guessing Game”.

24. “What I Know About Reading, I’ve Learned From Children

25. This is laid out in several reports, including “Phonics and Early Reading: An Overview for Headteachers, Literacy Leaders and Teachers in Schools, and Managers and Practitioners in Early Years Settings,
Ending the Reading Wars: Reading Acquisition From Novice to Expert,” and
Meeting the Challenges of Early Literacy Phonics Instruction.“

26. “Essentials of Assessing, Preventing, and Overcoming Reading Difficulties, David A. Kilpatrick” (book).

27. “Letter names and phonological awareness help children to learn letter–sound relations.”
Acquisition of literacy: A longitudinal study of children in first and second grade.
The contributions of phonological awareness and letter-name knowledge to letter-sound acquisition—a cross-classified multilevel model approach.”

28. The Role of Children’s Phonological and Semantic Knowledge in Learning to Read Words

29. “Developing Early Literacy: Report of the National Early Literacy Panel

30. Psycholinguistics expert Mark Seidenberg estimates the English language has as many as 15,000 syllables. See his book: “Language at the Speed of Sight: How We Read, Why So Many Can’t, And What Can Be Done About It.

31. You can hear pronunciations of the most common English phonemes here.

32. For the Scotland study, see “The Effects of Synthetic Phonics Teaching on Reading and Spelling Attainment: A Seven Year Longitudinal Study.”
The British government also commissioned a review of the research in teaching early reading, published in 2006, that suggested synthetic phonics was more effective. This recommendation was made based on observations of classroom practice, though, not experimental research. For this review, see “Independent review of the teaching of early reading.”

33. Both the National Reading Panel and a 2006 reading review didn’t find a significant difference between the two methods.
A Systematic Review of the Research Literature on the Use of Phonics in the Teaching of Reading and Spelling
National Reading Panel, Teaching Children to Read: An Evidence-Based Assessment of the Scientific Research Literature on Reading and Its Implications for Reading Instruction, Reports of the Subgroups

34. “Effective Word Reading Instruction: What Does the Evidence Tell Us?
This 2017 review of recent research comparing analytic and synthetic phonics found that both methods were effective for teaching young and struggling readers.

35. “The Interaction Between Orthographic and Phonological Information in Children: An fMRI Study

36. “Differing Effects of Two Synthetic Phonics Programmes on Early Reading Development
In this study, two groups of early elementary school students were taught with different programs: One was taught multiple letter-sound correspondences, and the other was taught the most consistent letter-sound patterns along with sight words. Overall, the two programs were equally effective, and for both groups of students, phonological awareness was significantly related to reading ability. But within the program that only taught letter-sound patterns, there was a closer link between phonological awareness and ability to read words that broke traditional phonemic rules. On the other hand, children who had less phonological awareness when they started school improved more in reading under the program that also taught sight words.

37. “Learning to Read Words: Theory, Findings, and Issues” In this 2005 paper, reading researcher Linnea Ehri theorized that this is how children remember irregular words. Research studies, conducted both before and after this paper was released, lend support to this framework.
For example, see “Phonology constrains the internal orthographic representation.”
In these experiments, subjects were more likely to judge incorrectly spelled words as correct if they had been repeatedly exposed to the incorrect spellings. Other research has shown that young children who have not yet developed phonemic awareness can use letter names to make sense of words.
For example, see “Young Children’s Ability to Read and Spell Their Own and Classmates’ Names: The Role of Letter Knowledge” and “Letter names help children to connect print and speech.

38. “Developing Early Literacy: A Report of the National Early Literacy Panel.

39. “A Comparison of Children Aged 4–5 Years Learning to Read Through Instructional Texts Containing Either a High or a Low Proportion of Phonically-Decodable Words.” For a discussion of research on decodable books, see:
Ending the Reading Wars: Reading Acquisition From Novice to Expert.

40. For an interesting discussion of the pros and cons of decodable text, see:
Should We Teach with Decodable Text?

41. “Why What We Teach Depends on When: Grade and Reading Intervention Modality Moderate Effect Size”, “A Meta-Analysis of the Long-Term Effects of Phonemic Awareness, Phonics, Fluency, and Reading Comprehension Interventions”, “National Reading Panel, Teaching Children to Read: An Evidence-Based Assessment of the Scientific Research Literature on Reading and Its Implications for Reading Instruction, Reports of the Subgroups

42. Orthographic mapping is why we can recognize words on sight. In this process, a reader anchors the written sequence of letters that make up a word to the pronunciation and definition that she knows for that word. Eventually, she doesn’t need to actively decode the word anymore–she automatically recognizes the letter-sound patterns and knows that they represent the word in her vocabulary. This happens over time, as the reader is exposed repeatedly to words that he or she can decode and comprehend. To do this, readers need a well-developed oral vocabulary and strong phonemic awareness skills. Empirical evidence for this process was first found by Linnea Ehri, an educational psychologist at Graduate Center of the City University of New York. See: “Movement into Reading: Is the First Stage of Printed Word Learning Visual or Phonetic?” For a review of the research, see:
Orthographic Mapping Facilitates Sight Word Memory and Vocabulary Learning, in Reading Development and Difficulties.

43. Later, the National Early Literacy Panel added to this, noting six skills that predicted later reading skills even after accounting for a child’s IQ or other background information:
• alphabet knowledge, or understanding names and sounds associated with specific written letters;
• phonological awareness, the ability to understand auditory aspects of speech independent of its meaning, including distinguishing individual syllables or phonemes;
• rapid automatic naming (RAN) of a random series of numbers or letters;
• RAN of a series of pictures of colors or objects;
• Naming, the ability to write individual spoken letters or to write one’s name; and
• Phonological memory, or the ability to recall spoken information after a brief period of time.
Developing Early Literacy: A Report of the National Early Literacy Panel

44. “The Simple View of Reading

45. Decoding, Reading, and Reading Disability - Philip B. Gough, William E. Tunmer, 1986 — SAGE Journals

46. Vocabulary does not complicate the simple view of reading

47. “Language deficits in poor comprehenders: a case for the simple view of reading"; “Should the Simple View of Reading Include a Fluency Component?"; “Vocabulary Does Not Complicate the Simple View of Reading”. Other research suggests that there are additional factors that influence students’ reading comprehension abilities, such as their ability to pay attention to specific tasks. See: Attentional control and the Simple View of reading

48. Why what we teach depends on when: grade and reading intervention modality moderate effect size.

49. “Developing Early Literacy: Report of the National Early Literacy Panel,”

50. Based on a meta-analysis of interventions the National Early Literacy Panel found shared reading significantly improved young children’s spoken language skills and print knowledge. To put the effects in context, the panel noted that if average children who were not read to would have scored a 100 on a test of oral language, the children who were read to would have performed 11 points higher. “Developing Early Literacy: Report of the National Early Literacy Panel

51. “Parents as Literacy Brokers” in “The Routledge International Handbook of Early Literacy Education”

52. Proust and the Squid - Maryanne Wolf

53. “Growth in Reading and How Children Spend Their Time Outside of School.
Teaching for Literacy Engagement - John T. Guthrie, 2004
For a review, see “Independent Reading and School Achievement.” Some other correlational research has suggested that guided independent reading, with some intervention or direction from the teacher, has a positive effect on comprehension. See “Does Practice Make Perfect? Independent Reading Quantity, Quality and Student Achievement.

54. The effects of digital storybooks seem to depend on specific aspects. One analysis of 43 studies found that multimedia elements such as animated pictures or sound effects improved comprehension. Yet interactive elements, such as built-in games or pop-ups for dictionaries or additional information, distracted students and hurt comprehension. “Benefits and Pitfalls of Multimedia and Interactive Features in Technology-Enhanced Storybooks: A Meta-Analysis

55. Reader, Come Home - Maryanne Wolf

56. “The evolution of reading in the age of digitisation: an integrative framework for reading research
The Digitization of Literary Reading — Wiley Online Library
Comparing Comprehension of a Long Text Read in Print Book and on Kindle: Where in the Text and When in the Story?

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