The article reviews and interprets some of the literature that has investigated the relationships between refractive status and reading and between binocular status and reading. The characterization of the visual process is pointed out as a major research problem. (Author)

Discussion of conceptual and methodological aspects of reading intervention research focuses on nine specific design limitations of previous intervention research; ways to measure and analyze change as a function of development, treatment intervention and ecological influences; assumptions of individual growth models; and advantages, conditions,…

The paper reviews the recent research bearing on the single cause/multiple cause controversy in regard to reading disabilities. The inadequacy of the common practice of comparing a group of disabled readers with a control group is noted. (Author/SW)

The double-deficit hypothesis of developmental dyslexia proposes that deficits in phonological processing and naming speed represent independent sources of dysfunction in dyslexia. The present article is a review of the evidence for the double-deficit hypothesis, including a discussion of recent findings related to the hypothesis. Studies in this…

Reactions to H. Lee Swanson's paper "Toward a Metatheory of Learning Disabilities" are outlined, and his arguments are applied to reading disabilities, focusing on the importance of the scientific attitude, the misuse of ecological validity, interpretation of Thomas Kuhn's work, modularity and reading disability, and scientific progress…

This commentary on a paper by Diane Sawyer (EC 602 748) on relations between various language skills and the development of reading ability addresses potential limitations in the implementation of structural equation modeling. The commentary concludes that the data presented by Sawyer do not support the interpretation that reading comprehension…