[S]tagnation in reading growth
leads to a probable conclusion that instructional factors that promote early reading development are
either missing or are receiving less-than-optimal emphases in many curricular reading programs.
A Meta-Analytic Review of Cognition and Reading Difficulties by Peng Peng et al.
RD are one of the frontier topics in educational research and practice. Tremendous efforts are being made in research and policy to understand the profiles of RD and to design more individualized remediation plans.