This article reviews evidence for seven central questions about the role of naming-speed deficits in developmental reading disabilities. Cross-sectional, longitudinal, and cross-linguistic research on naming-speed processes, timing processes, and reading is presented. An evolving model of visual naming illustrates areas of difference and areas of…

This commentary on C. Addison Stone's paper on the scaffolding metaphor for the learning disabilities field urges that all available literature, rather than a particular metaphor, should be used to evaluate the efficacy of instructional procedures in interpreting findings of instructional research. (Author/DB)