# Rethinking Reading January 14, 2025 *Knowledge plays a critical role in reading comprehension. In fact, content-rich literacy programs successfully increase vocabulary, content knowledge, and test scores. So, ask Hugh W. Catts and Alan G. Kamhi, why not include literacy instruction in disciplinary instructional blocks?* As the authors highlight, the [READS Lab at Harvard University](https://www.linkedin.com/company/reads-lab/)'s MORE program, a science and social studies curriculum that complements regular ELA instruction, does just that—with significant and lasting results for student achievement. Read the full article in the winter issue of American Educator, the sole publication of the American Federation of Teachers: [American Educator, Winter 2024-2025](https://www.aft.org/ae/winter2024-2025/catts_kamhi) \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ “How can this be?” This was the response of principal Jane Avery when she saw her school’s most recent third-grade reading scores. Three years ago, she worked with her primary grade teachers to adopt and implement a new reading curriculum. This curriculum was based on the “science of reading” and included systematic and explicit instruction in phonics. Ms. Avery expected that the curriculum would lead to greatly improved scores on the state reading exam. She was shocked to see only a small improvement. Ms. Avery is not alone in her expectations. Many others have seen the recent emphasis on the science of reading as the answer to America’s “reading crisis.” This view is highlighted by journalist Nicholas Kristof in his article, “Two-Thirds of Kids Struggle to Read, and We Know How to Fix It.”1 He argues that neuroscience and behavioral studies demonstrate that explicit instruction in phonics is critical for most children to learn to read, and that the limited inclusion of this instruction has led to a large portion of children performing below the proficient level on state and national assessments of reading. Indeed, researchers have made significant progress in our understanding of how children learn to read, and this work is having an impact on education policy and practice. Grassroots efforts and other advocacy have led to the vast majority of states adopting policies designed to improve the reading outcomes of all children, including those who struggle to read.2 Whereas these policies consider various aspects of reading, much of their emphasis has been on developing *word reading* accuracy and fluency through explicit instruction in phonics. Of course, word reading is critical to reading achievement, but reading involves much more than recognizing the words on the page. Students must also comprehend what they read. Research within the science of reading has investigated what is involved in comprehension and how children learn to understand what they read. Some of the findings from this research have been incorporated into educational policy, but not all that is known from research has been implemented in the classroom or included in public policy. Many educators view comprehension as a component of reading and one of the pillars of reading instruction. This view is an outgrowth of the report from the National Reading Panel (NRP).3 This panel was commissioned by Congress in 1998 to examine research on reading instruction. Initially, the panel divided this research into work on alphabetics, fluency, and comprehension. In the report, alphabetics was further divided into phonological awareness and phonics, and comprehension was divided into vocabulary and text comprehension. Over time, these components, along with fluency, became known as the *big five* or the *five pillars* of reading instruction. Today, much of reading instruction in the United States is guided by this component model of reading. In fact, a recent report by the Albert Shanker Institute on reading reform indicated that 34 states included reference to the five pillars of reading instruction in their state legislation.4 Whereas the component model proved to be useful for reviewing research in the NRP report, it has significant limitations for guiding instruction. One limitation is that it can give the impression that the five components are independent and can be taught individually. This was not the intent of the NRP. The panel divided research into the individual components to examine whether each component contributed to learning to read independent of the others. In practice, however, the components are generally best taught together in an integrated fashion. That is, phonological awareness is best taught in the context of phonics, and vocabulary in the context of comprehending a text. A more significant limitation is that including comprehension (and vocabulary) along with other components gives the impression that comprehension is skill based and similar in complexity and malleability to the other components. The model also implies that like phonics, comprehension can be explicitly taught, and once acquired, can be applied to all texts. But comprehension is not a skill or set of skills; rather, it is a complex multidimensional ability. In fact, reading comprehension is one of the most complex activities that we engage in on a regular basis, and our ability to do so is dependent upon a wide range of knowledge and skills.5 These include relevant background knowledge and reasoning abilities. Also, like listening comprehension, it is dependent on well-developed language abilities, including not only vocabulary knowledge but also an understanding of grammar and text-level structures (e.g., pronoun referencing and story structure). In addition, it is influenced by the nature of the text being read (e.g., its topic, complexity, and cohesion) and the purpose of reading (e.g., to study for a test or evaluate an opinion piece). Finally, it is acquired not in a few short years, but over one’s lifetime. For these reasons, comprehension needs to be differentiated from skill-based components of reading and treated as the complex behavior it is. ### Redefining Reading The idea of differentiating comprehension from the other components of reading was suggested over 15 years ago by Alan Kamhi (the second author).6 He argued that many assessments of reading conflated word reading accuracy and fluency with comprehension, which could lead to misconceptions about why children performed poorly on reading tests. Was it due to their inability to accurately or fluently read words, their inability to comprehend, or both? To address this problem, he argued that reading should be viewed narrowly as just word recognition. This narrow view of reading would include the components of phonological awareness, phonics, and fluency. Comprehension (and vocabulary) in this view is treated as a separate and distinct cognitive process and ability. In a companion article, Hugh Catts (the first author) argued that adopting a narrow view of reading leads to a broader view of comprehension, one that goes beyond skill-based notions and recognizes the similarity of reading and listening comprehension.7 In proposing and advocating for this narrow view, we had no expectations that it would be widely accepted by educators or policymakers because the skill-based approach to comprehension has long been entrenched in the research and educational communities. In recent years, however, there have been significant advancements in the science of how to teach and assess comprehension that are beginning to impact educational practices. At the forefront is the movement toward providing integrated comprehension and knowledge instruction within content-rich literacy curricula. In these curricula, which are often implemented during English language arts (ELA) class time, students are taught the appropriate strategies (i.e., ways of thinking), vocabulary, and language needed to understand texts on subject-specific topics drawn from science, history, and the arts as well as more traditional ELA content. This instruction is also combined with oral discussions, hands-on activities, and writing opportunities with the goal of facilitating literacy and increasing knowledge. This is similar to the broad view of comprehension that we had advocated for in our earlier papers. The focus on knowledge is important because of the critical role it plays in comprehension (both reading and listening comprehension).8 Knowledge lays the foundation for building our understanding of text (or speech) and provides an anchor for holding new information in memory. It also helps us determine the specific meanings of words in context (e.g., *pitcher* as person or object) and allows us to make inferences and fill in details that are not explicitly stated in the text. In addition, with increased knowledge, students tend to have more interest in a topic and to be more motivated to read about it.9 But despite the importance of knowledge, it has typically been neglected in comprehension instruction, which has focused primarily on teaching domain-general reading strategies and general vocabulary.10 While this instruction has been shown to be effective in some controlled studies,11 educators have over-relied on it, and it has not led to expected improvement on state and national tests of reading. Why? These tests rely heavily on knowledge, so students with limited knowledge of the topics chosen by test developers are at a great disadvantage on these assessments.12 Researchers who have recognized the importance of knowledge have begun to examine the effectiveness of content-rich literacy instruction in the classroom.13 Systematic reviews of this research show that content-rich literacy programs successfully increase vocabulary and content knowledge, as well as performance on standardized tests of reading comprehension.14 In response to this research and related advocacy, commercial ELA content-rich literacy programs (e.g., Core Knowledge Language Arts and EL Education) are being adopted in schools across the country.[\*](https://www.aft.org/knowledgematterscampaign.org/explore-curricula#A1) These programs teach literacy within units focused on various content areas. They also include word reading instruction or supplement their programs with standalone word reading programs. Whereas these ELA programs teach a variety of topics in science and social studies, they are not considered to be a substitute for science, social studies, or other disciplinary instruction that is intended for content blocks. Also, it is not uncommon for a publisher to offer both an ELA content-rich literacy program and fully developed disciplinary instruction in science and/or social studies. Unfortunately, there is typically not enough time in the school day for both, and disciplinary instruction in content blocks is often left out of the primary grades in favor of ELA literacy curricula.15 Given these developments, one might ask why schools need both an ELA content-rich literacy curriculum and disciplinary instruction in content blocks. ELA content-rich literacy programs do systematically build knowledge in content areas, but because of their more limited scope, they cannot develop broad and deep knowledge bases over time as well as disciplinary instruction can. So, why not integrate literacy instruction within disciplinary instructional blocks? Although it would be a major conceptual shift for our nation’s elementary schools and would require a complete revamping of curricula, teacher preparation, and professional development, this seems feasible in the primary grades where the same teacher is responsible for both disciplinary and ELA instruction. It would also provide more time in the school day for disciplinary instruction that has been reduced to accommodate ELA instruction. Integrating comprehension within disciplinary instruction would actually give attention to the primary purpose of comprehension in schools, which is learning. Taking a content-based approach to comprehension instruction allows the teacher to focus on knowledge acquisition using teacher-directed and student-driven discourse, multimedia presentations, and written materials, all of which involve comprehension. Children would still be taught how to best understand what they read, but this would be done in the context of learning. Of course, the purpose of reading in school goes beyond knowledge acquisition and includes learning to enjoy and appreciate literature. But there is no reason to think that comprehension could not be taught purposively in such a context as well, especially if children’s literature were carved out as its own discipline. James Kim, director of the READS Lab at Harvard University, and his colleagues have recently provided some support for this learning-based approach to comprehension instruction. They developed a content-rich literacy curriculum, Model of Reading Engagement (MORE), that was initially implemented within ELA in the primary grades. Continure reading at [American Educator, Winter 2024-2025](https://www.aft.org/ae/winter2024-2025/catts_kamhi) Endnotes 1\. N. Kristof, “Two-Thirds of Kids Struggle to Read, and We Know How to Fix It,” *New York Times*, February 11, 2023, [nytimes.com/2023/02/11/opinion/reading-kids-phonics.html](https://www.nytimes.com/2023/02/11/opinion/reading-kids-phonics.html). 2\. S. Neuman, E. Quintero, and K. Reist, *Reading Reform Across America: A Survey of State Legislation* (Washington, DC: Albert Shanker Institute, 2023), [shankerinstitute.org/read](https://www.shankerinstitute.org/read). 3\. National Reading Panel, *Teaching Children to Read: An Evidence-Based Assessment of the Scientific Research Literature on Reading and Its Implications for Reading Instruction* (Bethesda, MD: National Institute of Child Health and Human Development, 2000). 4\. Neuman, Quintero, and Reist, *Reading Reform*. 5\. H. Catts, “Rethinking How to Promote Reading Comprehension,” *American Educator* 45, no. 4 (Winter 2021–22): 26–33, 40. 6\. A. Kamhi, “The Case for the Narrow View of Reading,” *Language, Speech, and Hearing Services in Schools* 40, no. 2 (April 2009): 174–77. 7\. H. Catts, “The Narrow View of Reading Promotes a Broad View of Comprehension,” *Language, Speech, and Hearing Services in Schools* 40, no. 2 (April 2009): 178–83. 8\. C. Connor et al., “Acquiring Science and Social Studies Knowledge in Kindergarten Through Fourth Grade: Conceptualization, Design, Implementation, and Efficacy Testing of Content-Area Literacy Instruction (CALI),” *Journal of Educational Psychology* 109, no. 3 (April 2017): 301–20. 9\. J. Guthrie and A. Wigfield, “Engagement and Motivation in Reading,” in *Handbook of Reading Research*, vol. 3, ed. M. Kamil et al. (Mahwah, NJ: Lawrence Erlbaum Associates Publishers, 2000), 403–22. 10\. J. Oakhill, K. Cain, and C. Elbro, *Understanding and Teaching Reading Comprehension: A Handbook* (London: Routledge, 2014). 11\. P. Peng et al., “The Active Ingredient in Reading Comprehension Strategy Intervention for Struggling Readers: A Bayesian Network Meta-Analysis,” *Review of Educational Research* 94, no. 2 (2024): 228–67. 12\. E. D. Hirsch Jr., *Why Knowledge Matters: Rescuing Our Children from Failed Educational Theories* (Cambridge, MA: Harvard Education Press, 2016); and N. Wexler, *The Knowledge Gap: The Hidden Cause of America’s Broken Education System—and How to Fix It* (New York: Penguin Random House, 2019). 13\. Connor et al., “Acquiring Science.” 14\. H. Hwang, S. Cabell, and R. Joyner, “Effects of Integrated Literacy and Content-Area Instruction on Vocabulary and Comprehension in the Elementary Years: A Meta-Analysis,” *Scientific Studies of Reading* 26, no. 3 (2022): 223–49; and H. Hwang, S. Cabell, and R. Joyner, “Does Cultivating Content Knowledge During Literacy Instruction Support Vocabulary and Comprehension in the Elementary School Years? A Systematic Review,” *Reading Psychology* 44, no. 2 (2023): 145–74. 15\. S. Cox et al., *Documentation for the 2011-12 Schools and Staffing Survey*, NCES 2016-817 (Washington, DC: National Center for Education Statistics, US Department of Education, March 2017), [nces.ed.gov/pubs2016/2016817\_1.pdf](https://nces.ed.gov/pubs2016/2016817_1.pdf); and S. Schwartz, “Social Studies and Science Get Short Shrift in Elementary Schools. Why That Matters,” *Education Week*, February 27, 2024, [edweek.org/teaching-learning/social-studies-and-science-get-short-shrift-in-elementary-schools-why-that-matters/2024/02](https://www.edweek.org/teaching-learning/social-studies-and-science-get-short-shrift-in-elementary-schools-why-that-matters/2024/02). 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