Prior research suggests that physical activity aids students with children affected by attention deficit hyperactivity disorder (ADHD) who are more likely to exhibit high levels of inattentive, hyperactive, and impulsive behaviors that result in difficulties in academic and social settings. Because of the lack of alternative treatments, the…

This longitudinal study examined early cognitive risk and protective factors for Grade 2 reading disability (RD). We first examined the reading outcome of 198 children in four developmental cognitive subgroups that were identified in our previous analysis: dysfluent trajectory, declining trajectory, unexpected trajectory and typical trajectory. We…

Deficits in basic numerical processing have been identified as a central and potentially causal problem in developmental dyscalculia; however, so far not much is known about the typical and atypical development of such skills. This study assessed basic number skills cross-sectionally in 262 typically developing and 51 dyscalculic children in…

Similarities and differences between discursive practitioners and scientist-practitioners are discussed in reference to a variety of issues. The scientist-practitioner's approach to generating and evaluating new knowledge is illustrated with two partnerships: (a) between the University of Washington Multidisciplinary Learning Disability Center and…