This study addressed predictors of the development of word problem solving (WPS) across the intermediate grades. At beginning of 3rd grade, 4 cohorts of students (N = 261) were measured on computation, language, nonverbal reasoning skills, and attentive behavior and were assessed 4 times from beginning of 3rd through end of 5th grade on 2 measures…

The purposes of this study were to assess the efficacy of remedial tutoring for 3rd graders with mathematics difficulty, to investigate whether tutoring is differentially efficacious depending on students' math difficulty status (mathematics difficulty alone vs. mathematics plus reading difficulty), to explore transfer from number combination (NC)…

The authors examine the reassessments of the National Reading Panel (NRP) report (National Institute of Child Health and Human Development, 2000) by G. Camilli, S. Vargas, and M. Yurecko (2003); G. Camilli, P. M. Wolfe, and M. L. Smith (2006); and D. D. Hammill and H. L. Swanson (2006) that disagreed with the NRP on the magnitude of the effect of…

The purpose of this study was to explore patterns of difficulty in 2 domains of mathematical cognition: computation and problem solving. Third graders (n = 924; 47.3% male) were representatively sampled from 89 classrooms; assessed on computation and problem solving; classified as having difficulty with computation, problem solving, both domains,…

The construct validity of English and Spanish phonological awareness (PA) tasks was examined with a sample of 812 kindergarten children from 71 transitional bilingual education program classrooms located in 3 different types of geographic regions in California and Texas. Tasks of PA, including blending nonwords, segmenting words, and phoneme…

The purpose of this study was to examine the cognitive correlates of RD-grade skill in arithmetic, algorithmic computation, and arithmetic word problems. Third graders (N = 312) were measured on language, nonverbal problem solving, concept formation, processing speed, long-term memory, working memory, phonological decoding, and sight word…

There is considerable focus in public policy on screening children for reading difficulties. Sixty years of research have not resolved questions of what constructs assessed in kindergarten best predict subsequent reading outcomes. This study assessed the relative importance of multiple measures obtained in a kindergarten sample for the prediction…

Second- and 3rd-grade children with poor word-level skills were randomly assigned to 8 months of explicit instruction emphasizing the phonologic and orthographic connections in words and text-based reading or to remedial reading programs provided by the schools. At posttest, treatment children showed significantly greater gains than control…

Eight measures of cognitive and language function of 232 elementary school children were subjected to multiple methods of cluster analysis in an effort to identity subtypes of reading disability. Results, which yielded nine reliable subtypes, suggest that children with reading disability usually display impairments on phonological awareness…

First and second graders (n=285) received one of three types of classroom reading programs: (1) direct instruction in letter-sound correspondence; (2) less direct instruction in sound-spelling patterns; and (3) implicit instructions in the alphabetic code while reading connected text. Results show advantages of reading programs that emphasize…

To examine the validity of distinguishing children with reading disabilities according to discrepancy and low-achievement definitions, 4 assessments of expected achievement and 2 of actual achievement were obtained for 199 elementary school students. Results do not support the validity of the discrepancy versus the low-achievement definition.…