Research syntheses have demonstrated that morphological instruction can improve the literacy skills of poor readers and spellers. However, studies have used a wide variety of training methods. Questions remain about what type of morphological instruction is most effective and under which circumstances. In this study, we conducted a randomized…

The ultimate goal of reading is to comprehend written text, and this goal can only be attained if the reader can decode written words and understand their meanings. The science of reading has provided compelling evidence for the subskills that form the foundation of decoding. Decoding words requires understanding of the alphabetic principle and…

This study evaluated a parent-mediated preventive intervention for children's literacy skills 1 year after participation. Parents of 3 1/2 to 4 1/2-year-old-children (n = 69) recruited through early childhood centers were randomly assigned to one of three conditions: (a) a target shared reading condition emphasizing phonological awareness…

Oral deaf children and hearing children with dyslexia both experience literacy challenges, although their reasons differ. The authors explored the problems underlying poor literacy in each group and drew implications for reading interventions. Data were collected using standardized literacy and phonological measures from 69 severe-to-profoundly…

This study examined the efficacy of a supplemental, multicomponent adolescent reading intervention for middle school students who scored below proficient on a state literacy assessment. Using a within-school experimental design, the authors randomly assigned 483 students in grades 6-8 to a business-as-usual control condition or to the Strategic…

The purpose of this study was to explore the hypothesis that teaching students knowledge of word forms and meanings supports the development of decoding and linguistic comprehension, which are fundamental components of reading comprehension. We examined this hypothesis by investigating the effects of a comprehensive word knowledge intervention on…

Practitioners are increasingly expected to provide reading instruction to students with intellectual disabilities to help them become literate. Whereas explicit, systematic reading instruction is effective at preventing reading difficulties for most young children, its effectiveness for children with intellectual disabilities remains unclear. The…

For the past decade, governments around the world have put an unprecedented focus on educational policy, to ensure the acquisition of literacy skills for all students (e.g., No Child Left Behind in the United States; the National Literacy Strategy in the United Kingdom; Delivering Equality of Opportunity in Schools in Ireland). Such initiatives…